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Library printed parts now make use of stl() child.

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This commit is contained in:
Chris Palmer 2021-02-06 15:24:19 +00:00
parent 5bac2bf46d
commit b67cf4ce97
20 changed files with 795 additions and 796 deletions
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190
printed/box.scad
View File

@ -139,17 +139,17 @@ module box_corner_profile_2D(type) { //! The 2D shape of the corner profile.
}
module box_corner_profile(type) { //! Generates the corner profile STL for 3D printing.
stl("box_corner_profile");
length = box_height(type) - 2 * box_margin(type);
difference() {
linear_extrude(length, center = true, convexity = 5)
box_corner_profile_2D(type);
for(z = [-1, 1])
translate([box_hole_inset(type), box_hole_inset(type), z * length / 2])
insert_hole(box_insert(type), 5);
}
stl("box_corner_profile")
difference() {
linear_extrude(length, center = true, convexity = 5)
box_corner_profile_2D(type);
for(z = [-1, 1])
translate([box_hole_inset(type), box_hole_inset(type), z * length / 2])
insert_hole(box_insert(type), 5);
}
}
module box_corner_profile_section(type, section, sections) { //! Generates interlocking sections of the corner profile to allow it to be taller than the printer
@ -209,7 +209,6 @@ module box_corner_quadrants(type, width, depth)
}
module box_bezel(type, bottom) { //! Generates top and bottom bezel STLs
stl(bottom ? "bottom_bezel" : "top_bezel");
feet = bottom && box_feet(type);
t = box_sheet_slot(type);
outset = box_outset(type);
@ -221,66 +220,67 @@ module box_bezel(type, bottom) { //! Generates top and bottom bezel STLs
height = box_bezel_height(type, bottom);
foot_extension = foot_height - height;
difference() {
w = box_width(type);
d = box_depth(type);
translate_z(-box_profile_overlap(type)) difference() {
tw = w + 2 * outset;
td = d + 2 * outset;
rounded_rectangle([tw, td, feet ? foot_height : height], box_corner_rad(type), false);
//
// Remove edges between the feet
//
if(feet)
hull() {
translate_z(height + 0.5)
cube([w - 2 * foot_length, td + 1, 1], center = true);
stl(bottom ? "bottom_bezel" : "top_bezel")
difference() {
w = box_width(type);
d = box_depth(type);
translate_z(-box_profile_overlap(type)) difference() {
tw = w + 2 * outset;
td = d + 2 * outset;
rounded_rectangle([tw, td, feet ? foot_height : height], box_corner_rad(type), false);
//
// Remove edges between the feet
//
if(feet)
hull() {
translate_z(height + 0.5)
cube([w - 2 * foot_length, td + 1, 1], center = true);
translate_z(foot_height + 1)
cube([w - 2 * (foot_length - foot_extension), td + 1, 1], center = true);
}
if(feet)
hull() {
translate_z(height + 0.5)
cube([tw + 1, d - 2 * foot_length, 1], center = true);
translate_z(foot_height + 1)
cube([tw + 1, d - 2 * (foot_length - foot_extension), 1], center = true);
}
}
//
// slots for side panels
//
translate_z(-box_profile_overlap(type))
linear_extrude(2 * box_profile_overlap(type), center = true)
for(i = [-1, 1]) {
translate([i * (w + t - sheet_slot_clearance) / 2, 0])
square([t, d - 2 * cgap], center = true);
translate([0, i * (d + t - sheet_slot_clearance) / 2])
square([w - 2 * cgap, t], center = true);
}
//
// recess for top / bottom panel
//
translate_z(cgap)
rounded_rectangle([w + bezel_clearance, d + bezel_clearance, height], inner_r + bezel_clearance / 2, false);
//
// leave plastic over the corner profiles
//
translate_z(-box_profile_overlap(type) - 1)
linear_extrude(box_profile_overlap(type) + cgap + 2)
union() {
difference() {
square([w - 2 * inset,
d - 2 * inset], center = true);
box_corner_quadrants(type, w, d);
translate_z(foot_height + 1)
cube([w - 2 * (foot_length - foot_extension), td + 1, 1], center = true);
}
box_screw_hole_positions(type)
poly_circle(screw_clearance_radius(box_screw(type)));
}
}
if(feet)
hull() {
translate_z(height + 0.5)
cube([tw + 1, d - 2 * foot_length, 1], center = true);
translate_z(foot_height + 1)
cube([tw + 1, d - 2 * (foot_length - foot_extension), 1], center = true);
}
}
//
// slots for side panels
//
translate_z(-box_profile_overlap(type))
linear_extrude(2 * box_profile_overlap(type), center = true)
for(i = [-1, 1]) {
translate([i * (w + t - sheet_slot_clearance) / 2, 0])
square([t, d - 2 * cgap], center = true);
translate([0, i * (d + t - sheet_slot_clearance) / 2])
square([w - 2 * cgap, t], center = true);
}
//
// recess for top / bottom panel
//
translate_z(cgap)
rounded_rectangle([w + bezel_clearance, d + bezel_clearance, height], inner_r + bezel_clearance / 2, false);
//
// leave plastic over the corner profiles
//
translate_z(-box_profile_overlap(type) - 1)
linear_extrude(box_profile_overlap(type) + cgap + 2)
union() {
difference() {
square([w - 2 * inset,
d - 2 * inset], center = true);
box_corner_quadrants(type, w, d);
}
box_screw_hole_positions(type)
poly_circle(screw_clearance_radius(box_screw(type)));
}
}
}
dowel_length = 20;
@ -485,7 +485,6 @@ module box_shelf_screw_positions(type, screw_positions, thickness = 0, wall = un
}
module box_shelf_bracket(type, screw_positions, wall = undef) { //! Generates a shelf bracket, the first optional child is a 2D cutout and the second 3D cutouts
stl("shelf_bracket");
w = is_undef(wall) ? box_wall(type) : wall;
insert = box_shelf_insert(type);
lip = 2 * insert_boss_radius(insert, w);
@ -513,44 +512,45 @@ module box_shelf_bracket(type, screw_positions, wall = undef) { //! Generates a
square([lip, eps]);
}
difference() {
union() {
linear_extrude(w)
difference() {
shape()
if($children)
children(0);
round(2) offset(-width)
stl("shelf_bracket")
difference() {
union() {
linear_extrude(w)
difference() {
shape()
if($children)
children(0);
}
linear_extrude(lip)
difference() {
shape()
if($children)
children(0);
round(2) offset(-width)
shape()
if($children)
children(0);
}
offset(-w)
linear_extrude(lip)
difference() {
shape()
if($children)
children(0);
}
offset(-w)
shape()
if($children)
children(0);
}
hflip()
box_shelf_screw_positions(type, screw_positions, 0, w)
boss();
}
if($children > 1)
hflip()
children(1);
hflip()
box_shelf_screw_positions(type, screw_positions, 0, w)
boss();
insert_hole(insert, counterbore = 1, horizontal = true);
}
if($children > 1)
hflip()
children(1);
hflip()
box_shelf_screw_positions(type, screw_positions, 0, w)
insert_hole(insert, counterbore = 1, horizontal = true);
}
}
module box_shelf_bracket_section(type, rows, cols, x, y) { //! Generates sections of the shelf bracket to allow it to be bigger than the printer

132
printed/cable_grommets.scad
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@ -49,84 +49,84 @@ module ribbon_grommet_hole(ways, h = 50, expand = true) { //! Generate a hole fo
}
module ribbon_grommet(ways, thickness) { //! Generate the STL for a printed ribbon grommet
stl(str("ribbon_grommet_", ways, "_", thickness));
width = 2 * (wall + clearance) + thickness;
slot_length = ribbon_clamp_slot(ways);
length = slot_length + 2 * wall + 2 * overlap;
rotate([90, 0, 0])
union() {
for(side = [-1, 1])
translate_z(side * (width - wall) / 2)
linear_extrude(wall, center = true, convexity = 5)
difference() {
hull() {
translate([-length / 2, 0])
square([length, base]);
stl(str("ribbon_grommet_", ways, "_", thickness))
rotate([90, 0, 0])
union() {
for(side = [-1, 1])
translate_z(side * (width - wall) / 2)
linear_extrude(wall, center = true, convexity = 5)
difference() {
hull() {
translate([-length / 2, 0])
square([length, base]);
for(end = [-1, 1])
translate([end * (length / 2 - rad), height - rad])
semi_circle(rad);
for(end = [-1, 1])
translate([end * (length / 2 - rad), height - rad])
semi_circle(rad);
}
translate([-slot_length / 2, base])
square([slot_length, slot_height]);
}
translate([-slot_length / 2, base])
square([slot_length, slot_height]);
}
linear_extrude(width -1, center = true)
difference() {
ribbon_grommet_hole(ways, expand = false, h = 0);
linear_extrude(width -1, center = true)
difference() {
ribbon_grommet_hole(ways, expand = false, h = 0);
translate([-slot_length / 2, base])
square([slot_length, slot_height]);
}
}
translate([-slot_length / 2, base])
square([slot_length, slot_height]);
}
}
}
module round_grommet_top(diameter, thickness, od = undef) { //! Generate the STL for a round grommet top half
stl(str("round_grommet_top_", round(diameter * 10), "_", thickness));
chamfer = layer_height;
h = wall + thickness + wall;
r1 = diameter / 2;
r2 = od == undef ? corrected_radius(r1) + wall : od / 2;
r3 = r2 + overlap;
r0 = r1 + 1;
union() {
rotate_extrude()
polygon([
[r0, 0],
[r3 - chamfer, 0],
[r3, chamfer],
[r3, wall],
[r2, wall],
[r2, h - chamfer],
[r2 - chamfer, h],
[r0, h],
]);
stl(str("round_grommet_top_", round(diameter * 10), "_", thickness))
union() {
rotate_extrude()
polygon([
[r0, 0],
[r3 - chamfer, 0],
[r3, chamfer],
[r3, wall],
[r2, wall],
[r2, h - chamfer],
[r2 - chamfer, h],
[r0, h],
]);
render() difference() {
cylinder(r = r0 + eps, h = h);
render() difference() {
cylinder(r = r0 + eps, h = h);
poly_cylinder(r = r1, h = 100, center = true);
poly_cylinder(r = r1, h = 100, center = true);
}
}
}
}
module round_grommet_bottom(diameter, od = undef) { //! Generate the STL for a round grommet bottom half
stl(str("round_grommet_bottom_", round(diameter * 10)));
chamfer = layer_height;
r1 = diameter / 2;
r2 = od == undef ? corrected_radius(r1) + wall : od / 2;
r3 = r2 + max(overlap, wall + chamfer);
rotate_extrude()
polygon([
[r2, chamfer],
[r2 + chamfer, 0],
[r3, 0],
[r3, wall - chamfer],
[r3 - chamfer, wall],
[r2, wall],
]);
stl(str("round_grommet_bottom_", round(diameter * 10)))
rotate_extrude()
polygon([
[r2, chamfer],
[r2 + chamfer, 0],
[r3, 0],
[r3, wall - chamfer],
[r3 - chamfer, wall],
[r2, wall],
]);
}
module round_grommet_hole(diameter, h = 100) //! Make a hole for a round grommet
@ -161,30 +161,30 @@ module mouse_grommet_hole(r, h = 50, z = undef, expand = wall + clearance) //! M
function mouse_grommet_offset(r) = r + wall;
module mouse_grommet(r, thickness) { //! Make the STL for a mouse grommet
stl(str("mouse_grommet_", r * 10, "_", thickness));
width = 2 * (wall + clearance) + thickness;
length = 2 * r + 2 * wall + 2 * overlap;
rotate([90, 0, 0])
union() {
for(side = [-1, 1])
translate_z(side * (width - wall) / 2)
linear_extrude(wall, center = true)
difference() {
mouse_grommet_hole(r, z = r + wall, h = 0, expand = wall + overlap);
stl(str("mouse_grommet_", r * 10, "_", thickness))
rotate([90, 0, 0])
union() {
for(side = [-1, 1])
translate_z(side * (width - wall) / 2)
linear_extrude(wall, center = true)
difference() {
mouse_grommet_hole(r, z = r + wall, h = 0, expand = wall + overlap);
translate([0, wall])
mouse_grommet_hole(r, h = 0, expand = 0);
}
linear_extrude(width - 1, center = true)
difference() {
mouse_grommet_hole(r, h = 0, z = r + wall, expand = wall);
translate([0, wall])
mouse_grommet_hole(r, h = 0, expand = 0);
}
linear_extrude(width - 1, center = true)
difference() {
mouse_grommet_hole(r, h = 0, z = r + wall, expand = wall);
translate([0, wall])
mouse_grommet_hole(r, h = 0, expand = 0);
}
}
}
}
module mouse_grommet_assembly(r, thickness)

219
printed/camera_housing.scad
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@ -82,7 +82,6 @@ module cam_holes(cam) {
}
module rpi_camera_focus_ring_stl() { //! Focus ring the glue onto RPI lens
stl("rpi_camera_focus_ring");
rad = 15 / 2;
hole_r1 = 2.5 / 2;
@ -93,58 +92,58 @@ module rpi_camera_focus_ring_stl() { //! Focus ring the glue onto RPI lens
x = rad / (sin(angle / 2) + cos(angle / 2));
r = x * sin(angle / 2);
difference() {
linear_extrude(height = thickness, convexity = 5)
difference() {
union() {
circle(x);
stl("rpi_camera_focus_ring")
difference() {
linear_extrude(height = thickness, convexity = 5)
difference() {
union() {
circle(x);
for(i = [0 : flutes - 1])
rotate([0, 0, 2 * angle * i])
translate([x, 0])
circle(r);
}
for(i = [0 : flutes - 1])
rotate([0, 0, 2 * angle * i])
rotate([0, 0, 2 * angle * i + angle])
translate([x, 0])
circle(r);
}
for(i = [0 : flutes - 1])
rotate([0, 0, 2 * angle * i + angle])
translate([x, 0])
circle(r);
}
hull() {
poly_cylinder(r = hole_r1, h = 0.1, center = true);
hull() {
poly_cylinder(r = hole_r1, h = 0.1, center = true);
translate([0, 0, thickness])
poly_cylinder(r = hole_r2, h = 0.1, center = true);
translate([0, 0, thickness])
poly_cylinder(r = hole_r2, h = 0.1, center = true);
}
}
}
}
module camera_back(cam) { //! Make the STL for a camera case back
stl(str("camera_back_", cam[0]));
pcb = camera_pcb(cam);
back = cam_back_size(cam);
screw = pcb_screw(pcb);
nut = screw_nut(screw);
translate_z(back.z)
hflip()
difference() {
translate_z(back.z / 2)
cube(back, center = true);
stl(str("camera_back_", cam[0]))
translate_z(back.z)
hflip()
difference() {
translate_z(back.z / 2)
cube(back, center = true);
translate([0, -cam_back_overlap])
cube([pcb_length(pcb) - 2 * cam_back_overlap, pcb_width(pcb), 2 * cam_back_clearance], center = true);
translate([0, -cam_back_overlap])
cube([pcb_length(pcb) - 2 * cam_back_overlap, pcb_width(pcb), 2 * cam_back_clearance], center = true);
translate([0, -pcb_width(pcb) / 2])
cube([connector_size.x + 2 * clearance, 2 * connector_size.y + 1, 2 * round_to_layer(connector_size.z + clearance)], center = true);
translate([0, -pcb_width(pcb) / 2])
cube([connector_size.x + 2 * clearance, 2 * connector_size.y + 1, 2 * round_to_layer(connector_size.z + clearance)], center = true);
translate_z(back.z)
cam_holes(cam)
hflip()
nut_trap(screw, nut, supported = true);
}
translate_z(back.z)
cam_holes(cam)
hflip()
nut_trap(screw, nut, supported = true);
}
}
module camera_front(cam, hinge = 0) { //! Make the STL for a camera case front
stl(str("camera_front_", cam[0]));
front = cam_front_size(cam);
back = cam_back_size(cam);
pcb = camera_pcb(cam);
@ -170,70 +169,71 @@ module camera_front(cam, hinge = 0) { //! Make the STL for a camera case front
translate([0, (hinge ? front.x * hinge : front.y) / 2 + hinge_offset, hinge_r])
children();
difference() {
union() {
hull()
for(x = [-1, 1], y = [-1, 1])
translate([x * (front.x / 2 - rad), y * (front.y / 2 - rad)])
hull() { // 3D truncated teardrop gives radiused edges without exceeding 45 degree overhang
translate_z(front.z - 1)
cylinder(r = rad, h = 1);
stl(str("camera_front_", cam[0]))
difference() {
union() {
hull()
for(x = [-1, 1], y = [-1, 1])
translate([x * (front.x / 2 - rad), y * (front.y / 2 - rad)])
hull() { // 3D truncated teardrop gives radiused edges without exceeding 45 degree overhang
translate_z(front.z - 1)
cylinder(r = rad, h = 1);
translate_z(rad)
sphere(rad);
translate_z(rad)
sphere(rad);
cylinder(r = rad * (sqrt(2) - 1), h = eps);
}
cylinder(r = rad * (sqrt(2) - 1), h = eps);
}
hinge_pos()
hull() {
rotate([-90, 0, -90])
teardrop(r = hinge_r, h = hinge_h, center = false);
hinge_pos()
hull() {
rotate([-90, 0, -90])
teardrop(r = hinge_r, h = hinge_h, center = false);
translate([0, -10, -hinge_r])
cube([hinge_h, eps, 2 * hinge_r]);
}
}
hinge_pos()
rotate([90, 0, 90])
teardrop_plus(r = screw_clearance_radius(hinge_screw), h = 100, center = true);
translate_z(front.z / 2 + shelf - layer_height) // recess for the back
cube([back.x + 2 * clearance, back.y + 2 * clearance, front.z], center = true);
translate_z(front.z / 2 + shelf - pcb_size.z) // recess for PCB
cube([pcb_size.x + 2 * clearance, pcb_size.y + 2 * clearance, front.z], center = true);
translate_z(shelf)
hflip() {
pcb_component_position(pcb, "smd_led") // clearance for LED
cube(led_clearance, center = true);
pcb_component_position(pcb, "smd_res") // clearance for resistor
cube(res_clearance, center = true);
translate([0, -10, -hinge_r])
cube([hinge_h, eps, 2 * hinge_r]);
}
}
translate([conn_pos.x, lens_offset.y + sensor_length / 2, shelf - pcb_size.z]) // clearance for sensor connector
cube([conn.x + 2 * clearance, sensor_length, 2 * cam_front_clearance(cam)], center = true);
hinge_pos()
rotate([90, 0, 90])
teardrop_plus(r = screw_clearance_radius(hinge_screw), h = 100, center = true);
translate([0, -front.y / 2, shelf + front.z / 2]) // slot for connector
cube([connector_slot.x, connector_slot.y, front.z], center = true);
translate_z(front.z / 2 + shelf - layer_height) // recess for the back
cube([back.x + 2 * clearance, back.y + 2 * clearance, front.z], center = true);
translate_z(cam_back_clearance + layer_height)
cam_holes(cam)
rotate(90)
poly_cylinder(r = screw_clearance_radius(screw), h = 100, center = true);
translate_z(front.z / 2 + shelf - pcb_size.z) // recess for PCB
cube([pcb_size.x + 2 * clearance, pcb_size.y + 2 * clearance, front.z], center = true);
translate_z(shelf)
hflip() {
pcb_component_position(pcb, "smd_led") // clearance for LED
cube(led_clearance, center = true);
pcb_component_position(pcb, "smd_res") // clearance for resistor
cube(res_clearance, center = true);
}
translate([conn_pos.x, lens_offset.y + sensor_length / 2, shelf - pcb_size.z]) // clearance for sensor connector
cube([conn.x + 2 * clearance, sensor_length, 2 * cam_front_clearance(cam)], center = true);
translate([0, -front.y / 2, shelf + front.z / 2]) // slot for connector
cube([connector_slot.x, connector_slot.y, front.z], center = true);
translate_z(cam_back_clearance + layer_height)
cam_holes(cam)
rotate(90)
poly_cylinder(r = screw_clearance_radius(screw), h = 100, center = true);
translate_z(shelf - pcb_size.z)
hflip()
camera_lens(cam, clearance);
translate_z(shelf - pcb_size.z)
hflip()
camera_lens(cam, clearance);
hflip()
pcb_component_position(pcb, "smd_led")
rotate(45)
poly_cylinder(r = led_hole_r, h = 100, center = true); // hole for led
}
pcb_component_position(pcb, "smd_led")
rotate(45)
poly_cylinder(r = led_hole_r, h = 100, center = true); // hole for led
}
}
function bracket_thickness(cam) = max(wall, min(3.5, hinge_z(cam) - hinge_r - 1));
@ -253,34 +253,35 @@ module camera_bracket_position(cam) //! Position children at the bracket positio
children();
module camera_bracket(cam) { //! Make the STL for the camera bracket
stl(str("camera_bracket_", cam[0]));
t = bracket_thickness(cam);
z = hinge_z(cam);
translate([hinge_h / 2, 0])
difference() {
hull() {
translate_z(eps / 2)
cube([hinge_h, 2 * hinge_r, eps], center = true);
translate_z(z)
rotate([0, 90, 0])
cylinder(r = hinge_r, h = hinge_h, center = true);
stl(str("camera_bracket_", cam[0])) union() {
translate([hinge_h / 2, 0])
difference() {
hull() {
translate_z(eps / 2)
cube([hinge_h, 2 * hinge_r, eps], center = true);
translate_z(z)
rotate([0, 90, 0])
cylinder(r = hinge_r, h = hinge_h, center = true);
}
translate([hinge_h / 2, 0, z])
rotate([90, 0, 90])
nut_trap(hinge_screw, screw_nut(hinge_screw), horizontal = true);
}
translate([hinge_h / 2, 0, z])
rotate([90, 0, 90])
nut_trap(hinge_screw, screw_nut(hinge_screw), horizontal = true);
}
linear_extrude(t)
difference() {
hull()
linear_extrude(t)
difference() {
hull()
camera_bracket_screw_positions(cam)
circle(washer_radius(screw_washer(bracket_screw)) + 0.5);
camera_bracket_screw_positions(cam)
circle(washer_radius(screw_washer(bracket_screw)) + 0.5);
camera_bracket_screw_positions(cam)
poly_circle(screw_clearance_radius(bracket_screw));
}
poly_circle(screw_clearance_radius(bracket_screw));
}
}
}
module camera_assembly(cam, angle = 0) //! Camera case assembly

104
printed/carriers.scad
View File

@ -27,7 +27,6 @@ include <../utils/core/core.scad>
function carrier_height() = 3; //! Height of PCB carrier
module ESP12F_carrier_stl() { //! Generate the STL for an ESP12 carrier
stl("ESP12F_carrier");
pins = 8;
pitch1 = 2;
pitch2 = 2.54;
@ -43,29 +42,29 @@ module ESP12F_carrier_stl() { //! Generate the STL for an ESP12 carrier
width1 = wpitch1 + hole + squeezed_wall * 2;
width2 = wpitch2 + hole2 + squeezed_wall * 2;
difference() {
hull() {
translate_z(height - eps / 2)
cube([width1, length1, eps], center = true);
stl("ESP12F_carrier")
difference() {
hull() {
translate_z(height - eps / 2)
cube([width1, length1, eps], center = true);
translate_z(eps / 2)
cube([width2, length2, eps], center = true);
translate_z(eps / 2)
cube([width2, length2, eps], center = true);
}
for(side = [-1, 1])
for(i = [0 : pins - 1])
hull() {
translate([side * wpitch1 / 2, i * pitch1 - (pins - 1) * pitch1 / 2, height])
cube([hole, hole, eps], center = true);
translate([side * wpitch2 / 2, i * pitch2 - (pins - 1) * pitch2 / 2])
cube([hole2, hole2, eps], center = true);
}
}
for(side = [-1, 1])
for(i = [0 : pins - 1])
hull() {
translate([side * wpitch1 / 2, i * pitch1 - (pins - 1) * pitch1 / 2, height])
cube([hole, hole, eps], center = true);
translate([side * wpitch2 / 2, i * pitch2 - (pins - 1) * pitch2 / 2])
cube([hole2, hole2, eps], center = true);
}
}
}
module TP4056_carrier_stl() { //! Generate the STL for an TP4056 carrier, two required
stl("TP4056_carrier");
pitch = 2.54;
outer_pitch = 13.9;
inner_pitch = 7.54;
@ -78,30 +77,30 @@ module TP4056_carrier_stl() { //! Generate the STL for an TP4056 carrier, two re
width = hole + squeezed_wall * 2;
spacing = inch(0.9);
difference() {
hull() {
translate_z(height - eps / 2)
cube([width, length1, eps], center = true);
stl("TP4056_carrier")
difference() {
hull() {
translate_z(height - eps / 2)
cube([width, length1, eps], center = true);
translate_z(eps / 2)
cube([width, length2, eps], center = true);
translate_z(eps / 2)
cube([width, length2, eps], center = true);
}
for(i = [0 : pins - 1])
let(x = [-outer_pitch / 2, - inner_pitch / 2, 0, 0, inner_pitch / 2, outer_pitch / 2][i])
if(x)
hull() {
translate([0, x, height])
cube([hole, hole, eps], center = true);
translate([0, i * pitch - (pins - 1) * pitch / 2])
cube([hole, hole, eps], center = true);
}
}
for(i = [0 : pins - 1])
let(x = [-outer_pitch / 2, - inner_pitch / 2, 0, 0, inner_pitch / 2, outer_pitch / 2][i])
if(x)
hull() {
translate([0, x, height])
cube([hole, hole, eps], center = true);
translate([0, i * pitch - (pins - 1) * pitch / 2])
cube([hole, hole, eps], center = true);
}
}
}
module MT3608_carrier_stl() { //! Generate the STL for an MT3608 carrier, two required
stl("MT3608_carrier");
pcb_width = 17;
w_pitch_top = 6.81;
w_pitch_bot = inch(0.3);
@ -113,21 +112,22 @@ module MT3608_carrier_stl() { //! Generate the STL for an MT3608 carrier, two re
width = hole + 2 * wall;
offset = (l_pitch_top - l_pitch_bot) / 2;
difference() {
hull() {
translate([offset, 0, height - eps / 2])
rounded_rectangle([width, pcb_width - 2, eps], 1);
translate_z(eps / 2)
rounded_rectangle([width, pcb_width - 2, eps], 1);
}
for(side = [-1, 1])
stl("MT3608_carrier")
difference() {
hull() {
translate([offset, side * w_pitch_top / 2, height])
cube([hole, hole, eps], center = true);
translate([offset, 0, height - eps / 2])
rounded_rectangle([width, pcb_width - 2, eps], 1);
translate([0, side * w_pitch_bot / 2])
cube([hole, hole, eps], center = true);
translate_z(eps / 2)
rounded_rectangle([width, pcb_width - 2, eps], 1);
}
}
for(side = [-1, 1])
hull() {
translate([offset, side * w_pitch_top / 2, height])
cube([hole, hole, eps], center = true);
translate([0, side * w_pitch_bot / 2])
cube([hole, hole, eps], center = true);
}
}
}

56
printed/corner_block.scad
View File

@ -72,8 +72,6 @@ module corner_block_holes(screw = def_screw) //! Place children at all the holes
children();
module corner_block(screw = def_screw, name = false) { //! Generate the STL for a printed corner block
stl(name ? name : str("corner_block", "_M", screw_radius(screw) * 20));
r = 1;
cb_width = corner_block_width(screw);
cb_height = cb_width;
@ -81,39 +79,41 @@ module corner_block(screw = def_screw, name = false) { //! Generate the STL for
insert = screw_insert(screw);
corner_rad = insert_outer_d(insert) / 2 + wall;
offset = corner_block_hole_offset(screw);
difference() {
hull() {
translate([r, r])
rounded_cylinder(r = r, h = cb_height, r2 = r);
translate([r, cb_depth - r])
cylinder(r = r, h = cb_height - corner_rad);
stl(name ? name : str("corner_block", "_M", screw_radius(screw) * 20))
difference() {
hull() {
translate([r, r])
rounded_cylinder(r = r, h = cb_height, r2 = r);
translate([cb_width - r, r])
cylinder(r = r, h = cb_height - corner_rad);
translate([r, cb_depth - r])
cylinder(r = r, h = cb_height - corner_rad);
translate([offset, offset, offset])
sphere(corner_rad);
translate([cb_width - r, r])
cylinder(r = r, h = cb_height - corner_rad);
translate([offset, offset])
cylinder(r = corner_rad, h = offset);
translate([offset, offset, offset])
sphere(corner_rad);
translate([offset, r, offset])
rotate([-90, 0, 180])
rounded_cylinder(r = corner_rad, h = r, r2 = r);
translate([offset, offset])
cylinder(r = corner_rad, h = offset);
translate([r, offset, offset])
rotate([0, 90, 180])
rounded_cylinder(r = corner_rad, h = r, r2 = r);
translate([offset, r, offset])
rotate([-90, 0, 180])
rounded_cylinder(r = corner_rad, h = r, r2 = r);
translate([r, offset, offset])
rotate([0, 90, 180])
rounded_cylinder(r = corner_rad, h = r, r2 = r);
}
corner_block_v_hole(screw)
insert_hole(insert, overshoot);
corner_block_h_holes(screw)
insert_hole(insert, overshoot, true);
children();
}
corner_block_v_hole(screw)
insert_hole(insert, overshoot);
corner_block_h_holes(screw)
insert_hole(insert, overshoot, true);
children();
}
}
module corner_block_assembly(screw = def_screw, name = false) //! The printed block with inserts

60
printed/door_hinge.scad
View File

@ -54,44 +54,44 @@ module door_hinge_hole_positions(dir = 0) { //! Position chidren
}
module door_hinge(door_thickness) { //! Generates STL for the moving part of the hinge
stl(str("door_hinge_", door_thickness));
hole_pitch = width - 10;
union() {
rotate([90, 0, 0])
linear_extrude(width, center = true)
stl(str("door_hinge_", door_thickness))
union() {
rotate([90, 0, 0])
linear_extrude(width, center = true)
difference() {
hull() {
translate([dia / 2, thickness + door_thickness / 2])
intersection() {
rotate(180)
teardrop(r = dia / 2, h = 0, truncate = false);
square([dia + 1, 2 * thickness + door_thickness], center = true);
}
square([1, thickness + door_thickness]);
}
translate([dia / 2, thickness + door_thickness / 2])
teardrop_plus(r = screw_clearance_radius(pin_screw), h = 0);
}
linear_extrude(thickness)
difference() {
hull() {
translate([dia / 2, thickness + door_thickness / 2])
intersection() {
rotate(180)
teardrop(r = dia / 2, h = 0, truncate = false);
translate([0, -width / 2])
square([1, width]);
square([dia + 1, 2 * thickness + door_thickness], center = true);
}
square([1, thickness + door_thickness]);
for(side = [-1, 1])
translate([-width + rad, side * (width / 2 - rad)])
circle4n(rad);
}
translate([dia / 2, thickness + door_thickness / 2])
teardrop_plus(r = screw_clearance_radius(pin_screw), h = 0);
rotate(180)
vflip()
door_hinge_hole_positions()
poly_circle(screw_clearance_radius(screw));
}
linear_extrude(thickness)
difference() {
hull() {
translate([0, -width / 2])
square([1, width]);
for(side = [-1, 1])
translate([-width + rad, side * (width / 2 - rad)])
circle4n(rad);
}
rotate(180)
vflip()
door_hinge_hole_positions()
poly_circle(screw_clearance_radius(screw));
}
}
}
}
module door_hinge_6_stl() door_hinge(6);

26
printed/door_latch.scad
View File

@ -38,23 +38,23 @@ function door_latch_offset() = width / 2 + 1; //! Offset of the axle from the do
nut_trap_depth = round_to_layer(screw_head_height(screw)) + 4 * layer_height;
module door_latch_stl() { //! Generates the STL for the printed part
stl("door_latch");
ridge = 4;
difference() {
union() {
hull() {
rounded_rectangle([length, width, thickness - tan(30) * (width - ridge) / 2], rad, center = false);
translate_z(thickness / 2)
cube([length, ridge, thickness], center = true);
stl("door_latch")
difference() {
union() {
hull() {
rounded_rectangle([length, width, thickness - tan(30) * (width - ridge) / 2], rad, center = false);
translate_z(thickness / 2)
cube([length, ridge, thickness], center = true);
}
cylinder(d = width, h = height);
}
cylinder(d = width, h = height);
hanging_hole(nut_trap_depth, screw_clearance_radius(screw))
circle(r = nut_trap_radius(screw_nut(screw)), $fn = 6);
}
hanging_hole(nut_trap_depth, screw_clearance_radius(screw))
circle(r = nut_trap_radius(screw_nut(screw)), $fn = 6);
}
}
module door_latch_assembly(sheet_thickness = 3) { //! The assembly for a specified sheet thickess

44
printed/fixing_block.scad
View File

@ -71,38 +71,38 @@ module fixing_block_h_hole_2D(screw = def_screw) //! Position 2D child on the ho
children();
module fixing_block(screw = def_screw) { //! Generate the STL
stl(str("fixing_block_M", screw_radius(screw) * 20));
r = 1;
r = 1;
insert = screw_insert(screw);
corner_rad = insert_outer_d(insert) / 2 + wall;
fb_width = fixing_block_width(screw);
fb_height = fixing_block_height(screw);
fb_depth = fixing_block_depth(screw);
difference() {
union() {
linear_extrude(fb_height, convexity = 5)
difference() {
hull() {
for(side = [-1, 1]) {
translate([side * (fb_width / 2 - corner_rad), fb_depth - corner_rad])
circle4n(corner_rad);
stl(str("fixing_block_M", screw_radius(screw) * 20))
difference() {
union() {
linear_extrude(fb_height, convexity = 5)
difference() {
hull() {
for(side = [-1, 1]) {
translate([side * (fb_width / 2 - corner_rad), fb_depth - corner_rad])
circle4n(corner_rad);
translate([side * (fb_width / 2 - r), r])
circle4n(r);
translate([side * (fb_width / 2 - r), r])
circle4n(r);
}
}
fixing_block_v_holes(screw)
poly_circle(screw_clearance_radius(screw));
}
fixing_block_v_holes(screw)
poly_circle(screw_clearance_radius(screw));
}
}
translate_z(fb_height)
fixing_block_v_holes(screw)
insert_hole(insert);
}
translate_z(fb_height)
fixing_block_v_holes(screw)
insert_hole(insert);
fixing_block_h_hole(screw)
insert_hole(insert, 10, true);
}
fixing_block_h_hole(screw)
insert_hole(insert, 10, true);
}
}
module fixing_block_assembly(screw = def_screw) pose([55, 180, 25], [0, 4.8, 4.8]) //! Printed part with the inserts inserted

63
printed/flat_hinge.scad
View File

@ -65,8 +65,6 @@ module hinge_screw_positions(type) { //! Place children at the screw positions
}
module hinge_male(type, female = false) { //! The half with the stationary pin
stl(str("hinge_", female ? "fe": "", "male_", type[0]));
r = hinge_radius(type);
w = hinge_width(type);
t = hinge_thickness(type);
@ -85,37 +83,40 @@ module hinge_male(type, female = false) { //! The half with the stationary
teardrop_r = kr / cos(22.5); // The corner on the teardrop
inset = sqrt(sqr(teardrop_r + gap) - sqr(kr - t)) - kr;
linear_extrude(t)
difference() {
hull() {
for(side = [-1, 1])
translate([side * (w / 2 - r), hinge_depth(type) - r])
circle4n(r);
stl(str("hinge_", female ? "fe": "", "male_", type[0]))
union() {
linear_extrude(t)
difference() {
hull() {
for(side = [-1, 1])
translate([side * (w / 2 - r), hinge_depth(type) - r])
circle4n(r);
translate([-w / 2, inset])
square([w, eps]);
}
hinge_screw_positions(type)
poly_circle(screw_clearance_radius(hinge_screw(type)));
translate([-w / 2, inset])
square([w, eps]);
}
hinge_screw_positions(type)
poly_circle(screw_clearance_radius(hinge_screw(type)));
}
pitch = mw + gap + fw + gap;
dir = female ? -1 : 1;
translate([0, -kr, kr])
rotate([90, 0, -90])
for(z = [0 : (female ? fn : mn) - 1])
translate_z(-dir * w / 2 + z * dir * pitch + (female ? -fw - mw - gap : 0))
linear_extrude(female ? fw : mw)
difference() {
hull() {
rotate(180)
teardrop(r = kr, h = 0);
translate([-kr - 1, -kr])
square(1);
}
teardrop_plus(r = pr + (female ? gap : 0), h = 0);
}
}
pitch = mw + gap + fw + gap;
dir = female ? -1 : 1;
translate([0, -kr, kr])
rotate([90, 0, -90])
for(z = [0 : (female ? fn : mn) - 1])
translate_z(-dir * w / 2 + z * dir * pitch + (female ? -fw - mw - gap : 0))
linear_extrude(female ? fw : mw)
difference() {
hull() {
rotate(180)
teardrop(r = kr, h = 0);
translate([-kr - 1, -kr])
square(1);
}
teardrop_plus(r = pr + (female ? gap : 0), h = 0);
}
}
module hinge_female(type) hinge_male(type, true);

74
printed/foot.scad
View File

@ -39,7 +39,6 @@ function foot_screw(type = foot) = type[4]; //! Screw type
function foot_slant(type = foot) = type[5]; //! Taper angle
module foot(type = foot) { //! Generate STL
stl("foot");
h = foot_height(type);
t = foot_thickness(type);
r1 = washer_radius(screw_washer(foot_screw(type)));
@ -47,24 +46,25 @@ module foot(type = foot) { //! Generate STL
r2 = r3 - h * tan(foot_slant(type));
r = foot_rad(type);
union() {
rotate_extrude(convexity = 3) {
hull() {
translate([r1, 0])
square([r3 - r1, eps]);
stl("foot")
union() {
rotate_extrude(convexity = 3) {
hull() {
translate([r1, 0])
square([r3 - r1, eps]);
for(x = [r1 + r, r2 - r])
translate([x, h - r])
circle4n(r);
for(x = [r1 + r, r2 - r])
translate([x, h - r])
circle4n(r);
}
}
linear_extrude(t)
difference() {
circle(r1 + eps);
poly_circle( screw_clearance_radius(foot_screw(type)));
}
}
linear_extrude(t)
difference() {
circle(r1 + eps);
poly_circle( screw_clearance_radius(foot_screw(type)));
}
}
}
module foot_assembly(t = 0, type = foot, flip = false) { //! Assembly with fasteners in place for specified sheet thickness
@ -93,7 +93,6 @@ module foot_assembly(t = 0, type = foot, flip = false) { //! Assembly with faste
}
module insert_foot(type = insert_foot) { //! Generate STL for foot with insert
stl("insert_foot");
h = foot_height(type);
r3 = foot_diameter(type) / 2;
r2 = r3 - h * tan(foot_slant(type));
@ -103,30 +102,31 @@ module insert_foot(type = insert_foot) { //! Generate STL for foot with insert
h2 = insert_hole_length(insert);
r4 = insert_hole_radius(insert);
r5 = r4 + 1;
union() {
rotate_extrude() {
union() {
hull() {
translate([r5, 0]) {
square([r3 - r5, eps]);
square([eps, h]);
}
stl("insert_foot")
union() {
rotate_extrude() {
union() {
hull() {
translate([r5, 0]) {
square([r3 - r5, eps]);
square([eps, h]);
}
translate([r2 - r, h - r])
circle4n(r);
translate([r2 - r, h - r])
circle4n(r);
}
}
}
linear_extrude(h2 + eps)
difference() {
circle(r5 + eps);
poly_circle(r4);
}
translate_z(h2)
cylinder(r = r5 + eps, h = h - h2);
}
linear_extrude(h2 + eps)
difference() {
circle(r5 + eps);
poly_circle(r4);
}
translate_z(h2)
cylinder(r = r5 + eps, h = h - h2);
}
}
//
//! Place the insert in the bottom of the foot and push home with a soldering iron with a conical bit heated to 200&deg;C.

33
printed/handle.scad
View File

@ -46,8 +46,6 @@ module handle_holes(h = 100) //! Drills holes for the screws
drill(screw_clearance_radius(screw), h);
module handle_stl() { //! generate the STL
stl("handle");
module end(end)
translate([end * pitch / 2, 0])
rotate_extrude()
@ -59,23 +57,24 @@ module handle_stl() { //! generate the STL
square([dia / 2 + 1, dia + 1]);
}
translate_z(dia / 2)
union() {
hull() {
end(-1);
stl("handle")
translate_z(dia / 2)
union() {
hull() {
end(-1);
end(1);
}
handle_screw_positions()
render() difference() {
h = height + dia / 2;
cylinder(d = dia, h = h);
translate_z(h)
insert_hole(insert, 6);
end(1);
}
}
handle_screw_positions()
render() difference() {
h = height + dia / 2;
cylinder(d = dia, h = h);
translate_z(h)
insert_hole(insert, 6);
}
}
}
//
//! Place inserts in the bottom of the posts and push them home with a soldering iron with a conical bit heated to 200&deg;C.

42
printed/pcb_mount.scad
View File

@ -66,35 +66,35 @@ module pcb_mount_washer_stl() //! A plastic washer to clamp a PCB
pcb_mount_ring();
module pcb_mount(pcb, height = 5, washers = true) { //! Make the STL of a pcb mount for the specified PCB.
stl(str("pcb_mount_", pcb[0], "_", height));
y_pitch = pcb_width(pcb) > 4 * pillar_r + 4 ? pillar_r + 1
: pcb_width(pcb) / 2 + frame_w + 1 + pillar_r;
if(washers)
for(x = [-1, 1], y = [-1, 1])
translate([x * (pillar_r + 1), y * y_pitch, 0])
pcb_mount_washer_stl();
stl(str("pcb_mount_", pcb[0], "_", height)) union() {
if(washers)
for(x = [-1, 1], y = [-1, 1])
translate([x * (pillar_r + 1), y * y_pitch, 0])
pcb_mount_washer_stl();
for(x = [-1, 1])
translate([x * pillar_x_pitch(pcb) / 2, 0, frame_t / 2])
cube([frame_w, pillar_y_pitch(pcb) - 2 * wall, frame_t], center = true);
for(x = [-1, 1])
translate([x * pillar_x_pitch(pcb) / 2, 0, frame_t / 2])
cube([frame_w, pillar_y_pitch(pcb) - 2 * wall, frame_t], center = true);
for(y = [-1, 1])
translate([0, y * pillar_y_pitch(pcb) / 2, frame_t / 2])
cube([pillar_x_pitch(pcb) - 2 * wall, frame_w, frame_t], center = true);
for(y = [-1, 1])
translate([0, y * pillar_y_pitch(pcb) / 2, frame_t / 2])
cube([pillar_x_pitch(pcb) - 2 * wall, frame_w, frame_t], center = true);
pcb_mount_screw_positions(pcb)
linear_extrude(height)
pcb_mount_ring();
linear_extrude(height + pcb_thickness(pcb) - layer_height)
difference() {
pcb_mount_screw_positions(pcb)
pcb_mount_screw_positions(pcb)
linear_extrude(height)
pcb_mount_ring();
square([pcb_length(pcb) + 2 * clearance, pcb_width(pcb) + 2 * clearance], center = true);
}
linear_extrude(height + pcb_thickness(pcb) - layer_height)
difference() {
pcb_mount_screw_positions(pcb)
pcb_mount_ring();
square([pcb_length(pcb) + 2 * clearance, pcb_width(pcb) + 2 * clearance], center = true);
}
}
}
module pcb_mount_assembly(pcb, thickness, height = 5) { //! A PCB mount assembly with fasteners

124
printed/printed_box.scad
View File

@ -129,28 +129,27 @@ module pbox_outer_shape(type) //! 2D outer shape of the box
offset(pbox_wall(type) / 2) pbox_mid_shape(type);
module pbox_base(type) { //! Generate the STL for the base
stl(str(pbox_name(type),"_base"));
t = pbox_base(type);
difference() {
union() {
linear_extrude(t)
offset(base_outset - 0.2)
pbox_inner_shape(type);
if($children > 0)
children(0);
stl(str(pbox_name(type),"_base"))
difference() {
union() {
linear_extrude(t)
offset(base_outset - 0.2)
pbox_inner_shape(type);
if($children > 0)
children(0);
}
pbox_screw_positions(type)
poly_cylinder(r = screw_clearance_radius(pbox_screw(type)), h = 2 * t + eps, center = true);
if($children > 1)
children(1);
}
pbox_screw_positions(type)
poly_cylinder(r = screw_clearance_radius(pbox_screw(type)), h = 2 * t + eps, center = true);
if($children > 1)
children(1);
}
}
module pbox(type) { //! Generate the STL for the main case
stl(pbox_name(type));
height = pbox_height(type);
total_height = pbox_total_height(type);
top_thickness = pbox_top(type);
@ -159,60 +158,61 @@ module pbox(type) { //! Generate the STL for the main case
ledge_inset = base_outset - base_overlap;
ledge_h = pbox_base(type) ? (ledge_outset - ledge_inset) * 2 : 0;
difference() {
union() {
linear_extrude(total_height)
pbox_outer_shape(type);
if($children > 2)
children(2);
}
stl(pbox_name(type))
difference() {
translate_z(top_thickness)
union() {
linear_extrude(height + eps)
offset(-wall / 2) pbox_mid_shape(type);
union() {
linear_extrude(total_height)
pbox_outer_shape(type);
translate_z(height) // Recess for the base
linear_extrude(total_height - height)
offset(base_outset)
pbox_inner_shape(type);
}
// Ledge to support the lid
if(ledge_h)
translate_z(top_thickness + height - ledge_h)
difference() {
rounded_rectangle([pbox_width(type) + 2 * outset, pbox_depth(type) + 2 * outset, ledge_h], 1, center = false);
if($children > 2)
children(2);
}
difference() {
translate_z(top_thickness)
union() {
linear_extrude(height + eps)
offset(-wall / 2) pbox_mid_shape(type);
hull() {
linear_extrude(ledge_h + eps)
offset(ledge_inset)
translate_z(height) // Recess for the base
linear_extrude(total_height - height)
offset(base_outset)
pbox_inner_shape(type);
linear_extrude(eps)
offset(ledge_outset)
pbox_inner_shape(type);
}
pbox_screw_positions(type)
insert_hole(pbox_insert(type));
}
// Ledge to support the lid
if(ledge_h)
translate_z(top_thickness + height - ledge_h)
difference() {
rounded_rectangle([pbox_width(type) + 2 * outset, pbox_depth(type) + 2 * outset, ledge_h], 1, center = false);
// Corner lugs for inserts
outset = wall + pbox_ridges(type).y;
or = pbox_radius(type) + outset;
inset = pbox_screw_inset(type) + outset;
br = insert_boss_radius(pbox_insert(type), wall);
ext = sqrt(2) * inset - or * (sqrt(2) - 1) - br;
translate_z(height + top_thickness)
pbox_screw_positions(type)
insert_lug(pbox_insert(type), wall, counter_bore = 0, extension = ext, corner_r = or);
hull() {
linear_extrude(ledge_h + eps)
offset(ledge_inset)
pbox_inner_shape(type);
if($children > 0)
children(0);
linear_extrude(eps)
offset(ledge_outset)
pbox_inner_shape(type);
}
pbox_screw_positions(type)
insert_hole(pbox_insert(type));
}
// Corner lugs for inserts
outset = wall + pbox_ridges(type).y;
or = pbox_radius(type) + outset;
inset = pbox_screw_inset(type) + outset;
br = insert_boss_radius(pbox_insert(type), wall);
ext = sqrt(2) * inset - or * (sqrt(2) - 1) - br;
translate_z(height + top_thickness)
pbox_screw_positions(type)
insert_lug(pbox_insert(type), wall, counter_bore = 0, extension = ext, corner_r = or);
if($children > 0)
children(0);
}
if($children > 1)
children(1);
}
if($children > 1)
children(1);
}
}
module pbox_inserts(type) //! Place the inserts for the base screws

90
printed/printed_pulleys.scad
View File

@ -93,7 +93,6 @@ module printed_pulley(type) { //! Draw a printable pulley
or = pulley_od(type) / 2;
screw_z = pulley_screw_z(type);
stl(str("printed_pulley_", type[0]));
module core() {
translate_z(pulley_hub_length(type) + ft)
@ -129,54 +128,55 @@ module printed_pulley(type) { //! Draw a printable pulley
circle(d = pulley_bore(type));
}
translate_z(printed_pulley_inverted(type) ? - hl : 0) {
// hub
if(hl)
translate_z(printed_pulley_inverted(type) ? hl + w + 2 * ft : 0)
if(screw_z && screw_z < hl)
render()
difference() {
hub();
stl(str("printed_pulley_", type[0]))
translate_z(printed_pulley_inverted(type) ? - hl : 0) {
// hub
if(hl)
translate_z(printed_pulley_inverted(type) ? hl + w + 2 * ft : 0)
if(screw_z && screw_z < hl)
render()
difference() {
hub();
screw_holes();
}
else
hub();
// bottom flange
translate_z(hl)
linear_extrude(ft)
difference() {
circle(d = pulley_flange_dia(type));
circle(d = pulley_bore(type));
}
// top flange
translate_z(hl + ft + w) {
// inner part, supported by core
linear_extrude(ft)
difference() {
circle(r = or);
circle(d = pulley_bore(type));
}
// outer part at 45 degrees for printing
rotate_extrude()
translate([or - eps, ft])
vflip()
right_triangle(ft, ft);
}
if(screw_z && screw_z > hl)
render()
difference() { // T5 pulleys have screws through the teeth
core();
translate_z(printed_pulley_inverted(type) ? pulley_height(type) + hl - 2 * screw_z : 0)
screw_holes();
}
}
else
hub();
// bottom flange
translate_z(hl)
linear_extrude(ft)
difference() {
circle(d = pulley_flange_dia(type));
circle(d = pulley_bore(type));
}
// top flange
translate_z(hl + ft + w) {
// inner part, supported by core
linear_extrude(ft)
difference() {
circle(r = or);
circle(d = pulley_bore(type));
}
// outer part at 45 degrees for printing
rotate_extrude()
translate([or - eps, ft])
vflip()
right_triangle(ft, ft);
}
if(screw_z && screw_z > hl)
render()
difference() { // T5 pulleys have screws through the teeth
core();
translate_z(printed_pulley_inverted(type) ? pulley_height(type) + hl - 2 * screw_z : 0)
screw_holes();
}
else
core();
}
}
}
module printed_pulley_assembly(type, colour = pp1_colour) //! Draw a printed pulley with its grub screws in place

60
printed/psu_shroud.scad
View File

@ -79,8 +79,6 @@ module psu_shroud_holes(type, cable_d, cables = 1) {
}
module psu_shroud(type, cable_d, name, cables = 1) { //! Generate the STL file for a specified ssr and cable
stl(str("psu_shroud_", name));
extent = psu_shroud_extent(type);
depth = psu_shroud_depth(type);
width = psu_shroud_width(type);
@ -109,38 +107,40 @@ module psu_shroud(type, cable_d, name, cables = 1) { //! Generate the STL file f
}
}
// base and sides
translate([centre_x, -centre_y]) {
rounded_rectangle([depth - eps, width - eps, top], rad, center = false);
stl(str("psu_shroud_", name)) {
// base and sides
translate([centre_x, -centre_y]) {
rounded_rectangle([depth - eps, width - eps, top], rad, center = false);
linear_extrude(height)
difference() {
linear_extrude(height)
difference() {
shape();
translate([depth / 2, width / 2 - 5])
square([2 * (depth - extent + terminal_clearance), 10], center = true);
}
linear_extrude(height - terminal_block_height(tb) - psu_terminal_block_z(type) - terminal_clearance)
shape();
translate([depth / 2, width / 2 - 5])
square([2 * (depth - extent + terminal_clearance), 10], center = true);
}
linear_extrude(height - terminal_block_height(tb) - psu_terminal_block_z(type) - terminal_clearance)
shape();
}
// cable slots
for(i = [0 : 1 : cables - 1])
translate([centre_x - depth / 2 + wall / 2, -centre_y + (i - cables / 2 + 0.5) * psu_shroud_cable_pitch(cable_d), height / 2])
rotate([90, 0, 90])
linear_extrude(wall, center = true)
difference() {
square([cable_d + eps, height], center = true);
// cable slots
for(i = [0 : 1 : cables - 1])
translate([centre_x - depth / 2 + wall / 2, -centre_y + (i - cables / 2 + 0.5) * psu_shroud_cable_pitch(cable_d), height / 2])
rotate([90, 0, 90])
linear_extrude(wall, center = true)
difference() {
square([cable_d + eps, height], center = true);
translate([0, height / 2])
vertical_tearslot(h = 0, r = cable_d / 2, l = cable_d);
}
// insert lugs
mirror([0, 1, 0])
psu_shroud_hole_positions(type)
translate_z(height)
rotate($side * 90)
insert_lug(insert, wall, counter_bore);
}
translate([0, height / 2])
vertical_tearslot(h = 0, r = cable_d / 2, l = cable_d);
}
// insert lugs
mirror([0, 1, 0])
psu_shroud_hole_positions(type)
translate_z(height)
rotate($side * 90)
insert_lug(insert, wall, counter_bore);
}
}
module psu_shroud_assembly(type, cable_d, name, cables = 1) //! The printed parts with inserts fitted
assembly(str("PSU_shroud_", name), ngb = true) {

42
printed/ribbon_clamp.scad
View File

@ -47,7 +47,6 @@ module ribbon_clamp_holes(ways, h = 20, screw = screw) //! Drill screw holes
module ribbon_clamp(ways, screw = screw) { //! Generate STL for given number of ways
screw_d = screw_radius(screw) * 2;
stl(str("ribbon_clamp_", ways, screw_d != 3 ? str("_", screw_d) : ""));
pitch = ribbon_clamp_hole_pitch(ways, screw);
d = ribbon_clamp_width(screw);
@ -55,30 +54,31 @@ module ribbon_clamp(ways, screw = screw) { //! Generate STL for given number of
t = round_to_layer(ribbon_clamp_slot_depth() + wall);
insert = screw_insert(screw);
difference() {
union() {
hull() {
translate_z(h - t / 2)
cube([ribbon_clamp_hole_pitch(ways, screw), d, t], center = true);
stl(str("ribbon_clamp_", ways, screw_d != 3 ? str("_", screw_d) : ""))
difference() {
union() {
hull() {
translate_z(h - t / 2)
cube([ribbon_clamp_hole_pitch(ways, screw), d, t], center = true);
translate_z(1)
cube([pitch, max(wall, d - 2 * (h - t)), 2], center = true);
translate_z(1)
cube([pitch, max(wall, d - 2 * (h - t)), 2], center = true);
}
ribbon_clamp_hole_positions(ways, screw, -1)
cylinder(d = d, h = h);
ribbon_clamp_hole_positions(ways, screw, 1)
cylinder(d = d, h = h);
}
ribbon_clamp_hole_positions(ways, screw, -1)
cylinder(d = d, h = h);
ribbon_clamp_hole_positions(ways, screw, 1)
cylinder(d = d, h = h);
}
translate_z(h)
cube([ribbon_clamp_slot(ways), d + 1, ribbon_clamp_slot_depth() * 2], center = true);
ribbon_clamp_hole_positions(ways, screw)
translate_z(h)
rotate(22.5)
insert_hole(insert, ribbon_clamp_screw_depth(screw) - insert_length(insert));
}
cube([ribbon_clamp_slot(ways), d + 1, ribbon_clamp_slot_depth() * 2], center = true);
ribbon_clamp_hole_positions(ways, screw)
translate_z(h)
rotate(22.5)
insert_hole(insert, ribbon_clamp_screw_depth(screw) - insert_length(insert));
}
}
module ribbon_clamp_assembly(ways, screw = screw) pose([55, 180, 25]) //! Printed part with inserts in place

29
printed/screw_knob.scad
View File

@ -34,27 +34,26 @@ knob_height = knob_stem_h + knob_thickness;
function knob_height() = knob_height;
module screw_knob(screw) { //! Generate the STL for a knob to fit the specified hex screw
stl(str("screw_knob_M", screw_radius(screw) * 20));
knob_stem_r = nut_trap_radius(screw_nut(screw)) + knob_wall;
function wave(a) = knob_r + sin(a * knob_waves) * knob_wave;
union() {
render() difference() {
cylinder(r = knob_stem_r, h = knob_thickness + knob_stem_h);
stl(str("screw_knob_M", screw_radius(screw) * 20))
union() {
render() difference() {
cylinder(r = knob_stem_r, h = knob_thickness + knob_stem_h);
hanging_hole(knob_nut_trap_depth(screw), screw_clearance_radius(screw))
rotate(45)
circle(r = nut_trap_radius(screw_nut(screw)), $fn = 6);
}
linear_extrude(knob_thickness, convexity = 3)
difference() {
polygon(points = [for(a = [0 : 359]) [wave(a) * sin(a), wave(a) * cos(a)]]);
circle(knob_stem_r - eps);
hanging_hole(knob_nut_trap_depth(screw), screw_clearance_radius(screw))
rotate(45)
circle(r = nut_trap_radius(screw_nut(screw)), $fn = 6);
}
}
linear_extrude(knob_thickness, convexity = 3)
difference() {
polygon(points = [for(a = [0 : 359]) [wave(a) * sin(a), wave(a) * cos(a)]]);
circle(knob_stem_r - eps);
}
}
}
//! Place the screw through the printed part

56
printed/socket_box.scad
View File

@ -41,7 +41,6 @@ height = base_thickness + box_height;
function socket_box_depth() = height; //! Outside depth of the backbox
module socket_box(type) { //! Generate STL of the backbox for the specified socket
stl(str("socket_box_",type[0]));
screw = mains_socket_screw(type);
screw_clearance_radius = screw_clearance_radius(screw);
@ -51,37 +50,38 @@ module socket_box(type) { //! Generate STL of the backbox for the specified sock
insert_boss = mains_socket_insert_boss(type);
insert_hole_radius = insert_hole_radius(insert);
difference() {
linear_extrude(height, convexity = 5)
face_plate(type);
stl(str("socket_box_",type[0]))
difference() {
translate_z(base_thickness)
linear_extrude(height, convexity = 5)
offset(-wall) offset(1) face_plate(type);
linear_extrude(height, convexity = 5)
face_plate(type);
for(side = [-1, 1])
hull()
for(x = [1, 2])
translate([side * mains_socket_pitch(type) / x, 0])
cylinder(d = insert_boss, h = 100);
}
//
// Socket holes
//
translate_z(height)
mains_socket_hole_positions(type) {
poly_cylinder(r = screw_clearance_radius, h = 2 * box_height, center = true);
difference() {
translate_z(base_thickness)
linear_extrude(height, convexity = 5)
offset(-wall) offset(1) face_plate(type);
poly_cylinder(r = insert_hole_radius, h = 2 * insert_length, center = true);
for(side = [-1, 1])
hull()
for(x = [1, 2])
translate([side * mains_socket_pitch(type) / x, 0])
cylinder(d = insert_boss, h = 100);
}
//
// Cable hole
//
translate([cable_x, cable_y(type), cable_z])
rotate([90, 0, 0])
teardrop_plus(r = cable_d / 2, h = 30);
}
//
// Socket holes
//
translate_z(height)
mains_socket_hole_positions(type) {
poly_cylinder(r = screw_clearance_radius, h = 2 * box_height, center = true);
poly_cylinder(r = insert_hole_radius, h = 2 * insert_length, center = true);
}
//
// Cable hole
//
translate([cable_x, cable_y(type), cable_z])
rotate([90, 0, 0])
teardrop_plus(r = cable_d / 2, h = 30);
}
}
module socket_box_MKLOGIC_stl() socket_box(MKLOGIC);

61
printed/ssr_shroud.scad
View File

@ -61,49 +61,50 @@ module ssr_shroud_holes(type, cable_d) { //! Drill the screw and ziptie holes
}
module ssr_shroud(type, cable_d, name) { //! Generate the STL file for a specified ssr and cable
stl(str("ssr_shroud_", name));
width = ssr_shroud_width(type);
depth = ssr_length(type) / 3 + ssr_shroud_extent(type, cable_d);
height = ssr_shroud_height(type);
cable_x = ssr_shroud_cable_x(type, cable_d);
center_x = -ssr_length(type) / 6 - depth / 2;
// base and sides
translate([center_x, 0]) {
rounded_rectangle([depth - eps, width - eps, top], rad, center = false);
linear_extrude(height) difference() {
round(or = wall / 2 - eps, ir = 0) difference() {
rounded_square([depth, width], rad);
stl(str("ssr_shroud_", name)) {
// base and sides
translate([center_x, 0]) {
rounded_rectangle([depth - eps, width - eps, top], rad, center = false);
rounded_square([depth - 2 * wall, width - 2 * wall], rad - wall);
linear_extrude(height) difference() {
round(or = wall / 2 - eps, ir = 0) difference() {
rounded_square([depth, width], rad);
translate([depth / 2, 0])
square([2 * rad, width], center = true);
rounded_square([depth - 2 * wall, width - 2 * wall], rad - wall);
translate([depth / 2, 0])
square([2 * rad, width], center = true);
}
translate([cable_x - center_x, 0])
square([cable_d, width + 1], center = true);
}
translate([cable_x - center_x, 0])
square([cable_d, width + 1], center = true);
}
}
// cable slots
for(side = [-1, 1])
translate([cable_x, side * (width / 2 - wall / 2), height / 2])
rotate([90, 0, 0])
linear_extrude(wall, center = true)
difference() {
square([cable_d + eps, height], center = true);
// cable slots
for(side = [-1, 1])
translate([cable_x, side * (width / 2 - wall / 2), height / 2])
rotate([90, 0, 0])
linear_extrude(wall, center = true)
difference() {
square([cable_d + eps, height], center = true);
translate([0, height / 2])
vertical_tearslot(h = 0, r = cable_d / 2, l = cable_d);
}
// insert boss
ssr_shroud_hole_positions(type)
vflip()
translate_z(height)
rotate($side * 90)
insert_lug(insert, wall, counter_bore);
translate([0, height / 2])
vertical_tearslot(h = 0, r = cable_d / 2, l = cable_d);
}
// insert boss
ssr_shroud_hole_positions(type)
vflip()
translate_z(height)
rotate($side * 90)
insert_lug(insert, wall, counter_bore);
}
}
module ssr_shroud_assembly(type, cable_d, name) //! The printed parts with inserts fitted

86
printed/strap_handle.scad
View File

@ -75,32 +75,29 @@ module strap_holes(length, type = strap, h = 100) //! The panel cut outs
strap_boss_shape(type);
module strap(length, type = strap) { //! Generate the STL for the rubber strap
stl("strap");
len = length - 2 * (wall + clearance);
w = strap_width(type);
linear_extrude(strap_thickness(type), convexity = 3)
difference() {
rounded_square([len, w], w / 2 - eps);
stl("strap")
linear_extrude(strap_thickness(type), convexity = 3)
difference() {
rounded_square([len, w], w / 2 - eps);
for(end = [-1, 1])
translate([end * (len / 2 - strap_min_width(type) - strap_boss_r(type) - clearance), 0])
rotate(end * 90 + 90)
hull() {
offset(clearance)
strap_boss_shape(type);
translate([strap_extension(type) / 2, 0])
for(end = [-1, 1])
translate([end * (len / 2 - strap_min_width(type) - strap_boss_r(type) - clearance), 0])
rotate(end * 90 + 90)
hull() {
offset(clearance)
strap_boss_shape(type);
}
}
translate([strap_extension(type) / 2, 0])
offset(clearance)
strap_boss_shape(type);
}
}
}
module strap_end(type = strap) { //! Generate the STL for end piece
stl("strap_end");
z1 = strap_height(type) - strap_thickness(type) - clearance;
z2 = strap_height(type) + strap_key(type);
r1 = strap_boss_r(type) - 1;
@ -121,42 +118,43 @@ module strap_end(type = strap) { //! Generate the STL for end piece
circle(r1);
}
union() {
linear_extrude(z1)
with_hole()
outer();
translate_z(z1)
linear_extrude(strap_height(type) - z1)
difference() {
stl("strap_end")
union() {
linear_extrude(z1)
with_hole()
outer();
hull() {
translate([0, -strap_width(type) / 2 - clearance])
square([strap_boss_r(type) + overlap, strap_width(type) + 2 * clearance]);
translate_z(z1)
linear_extrude(strap_height(type) - z1)
difference() {
outer();
translate([-strap_extension(type) / 2, 0])
circle(d = strap_width(type) + 2 * clearance);
hull() {
translate([0, -strap_width(type) / 2 - clearance])
square([strap_boss_r(type) + overlap, strap_width(type) + 2 * clearance]);
translate([-strap_extension(type) / 2, 0])
circle(d = strap_width(type) + 2 * clearance);
}
}
}
linear_extrude(strap_height(type) - layer_height)
with_hole()
strap_boss_shape(type);
linear_extrude(strap_height(type) - layer_height)
with_hole()
strap_boss_shape(type);
linear_extrude(z2)
with_hole()
offset(cnc_bit_r)
offset(-step - cnc_bit_r)
strap_boss_shape(type);
linear_extrude(z2)
with_hole()
offset(cnc_bit_r)
offset(-step - cnc_bit_r)
strap_boss_shape(type);
render() difference() {
cylinder(r = r1 + eps, h = z2);
render() difference() {
cylinder(r = r1 + eps, h = z2);
translate_z(z2)
insert_hole(strap_insert(type), counterbore);
translate_z(z2)
insert_hole(strap_insert(type), counterbore);
}
}
}
}
//
//! * Place the insert into the hole and push home with a soldering iron with a tapered bit heated to 200&deg;C.