mirror of
https://github.com/DJSundog/NopSCADlib.git
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903 lines
30 KiB
OpenSCAD
903 lines
30 KiB
OpenSCAD
//
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// NopSCADlib Copyright Chris Palmer 2018
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// nop.head@gmail.com
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// hydraraptor.blogspot.com
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//
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// This file is part of NopSCADlib.
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//
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// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
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// GNU General Public License as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along with NopSCADlib.
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// If not, see <https://www.gnu.org/licenses/>.
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//
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//
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//! PCBs and perfboard with optional components. The shape can be a rectangle with optionally rounded corners or a polygon for odd shapes like Arduino.
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//
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panel_clearance = 0.2;
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include <../core.scad>
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include <screws.scad>
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include <buttons.scad>
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include <green_terminals.scad>
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include <pin_headers.scad>
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use <../utils/rounded_cylinder.scad>
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use <../utils/dogbones.scad>
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use <../utils/tube.scad>
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use <d_connector.scad>
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function pcb_name(type) = type[1]; //! Description
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function pcb_length(type) = type[2]; //! Length
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function pcb_width(type) = type[3]; //! Width
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function pcb_thickness(type) = type[4]; //! Thickness
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function pcb_radius(type) = type[5]; //! Corner radius
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function pcb_hole_d(type) = type[6]; //! Mounting hole diameter
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function pcb_land_d(type) = type[7]; //! Pad around mounting hole
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function pcb_colour(type) = type[8]; //! Colour of the subtrate
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function pcb_parts_on_bom(type) = type[9]; //! True if the parts should be separate BOM items
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function pcb_holes(type) = type[10]; //! List of hole positions
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function pcb_components(type) = type[11]; //! List of components
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function pcb_accessories(type) = type[12]; //! List of accessories to go on the BOM, SD cards, USB cables, etc.
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function pcb_grid(type) = type[13]; //! Grid if a perfboard
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function pcb_polygon(type) = type[14]; //! Optional outline polygon for odd shaped boards
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function pcb_screw(type, cap = hs_cap) = Len(type[15]) ? type[15] : find_screw(cap, screw_smaller_than(pcb_hole_d(type))); //! Mounting screw type
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function pcb_grid_pos(type, x, y, z = 0) = //! Returns a pcb grid position
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[-pcb_length(type) / 2 + pcb_grid(type).x + 2.54 * x,
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-pcb_width(type) / 2 + pcb_grid(type).y + 2.54 * y, pcb_thickness(type) + z];
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module pcb_grid(type, x, y, z = 0) //! Positions children at specified grid position
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translate(pcb_grid_pos(type, x, y, z))
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children();
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// allows negative ordinates to represent offsets from the far edge
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function pcb_coord(type, p) = let(l = pcb_length(type), w = pcb_width(type)) //! Convert offsets from the edge to coordinates relative to the centre
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[(p.x >= 0 ? p.x : l + p.x) - l / 2,
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(p.y >= 0 ? p.y : w + p.y) - w / 2];
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module pcb_screw_positions(type) { //! Positions children at the mounting hole positions
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holes = pcb_holes(type);
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if(len(holes))
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for($i = [0 : len(holes) - 1]) {
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p = pcb_coord(type, holes[$i]);
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translate([p.x, p.y, 0])
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children();
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}
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}
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module chip(length, width, thickness, colour, cutout = false) //! Draw a coloured cube to represent a chip, or other rectangular component
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if(!cutout)
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color(colour)
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translate_z(thickness / 2) cube([length, width, thickness], center = true);
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module usb_Ax2(cutout = false) { //! Draw USB type A dual socket
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l = 17;
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w = 13.25;
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h = 15.6;
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flange_t = 0.4;
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h_flange_h = 0.8;
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h_flange_l = 11;
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v_flange_h = 1;
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v_flange_l = 12.15;
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bar = 3.4;
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socket_h = (h - 2 * flange_t - bar) / 2;
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translate_z(h / 2)
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if(cutout)
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rotate([90, 0, 90])
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rounded_rectangle([w + 2 * v_flange_h + 2 * panel_clearance,
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h + 2 * h_flange_h + 2 * panel_clearance, 100], r = cnc_bit_r, center = false);
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else
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color("silver") rotate([0, 90, 0]) {
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linear_extrude(height = l, center = true)
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difference() {
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square([h, w], center = true);
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for(s = [-1, 1])
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translate([s * (bar / 2 + socket_h / 2), 0])
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square([socket_h, w - 2 * flange_t], center = true);
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}
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translate_z(-l / 2 + 0.5)
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cube([h, w, 1], center = true);
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translate_z(l / 2 - flange_t)
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linear_extrude(height = flange_t) difference() {
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union() {
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square([h + 2 * h_flange_h, h_flange_l], center = true);
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square([v_flange_l, w + 2 * v_flange_h], center = true);
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}
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square([h - eps, w - eps], center = true);
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}
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}
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}
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module rj45(cutout = false) { //! Draw RJ45 Ethernet connector
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l = 21;
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w = 16;
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h = 13.5;
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plug_h = 6.8;
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plug_w = 12;
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plug_z = 4;
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tab_z = 0.8;
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tab_w = 4;
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translate_z(h / 2)
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if(cutout)
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rotate([90, 0, 90])
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dogbone_rectangle([w + 2 * panel_clearance, h + 2 * panel_clearance, 100], center = false);
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else {
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rotate([0, 90, 0]) {
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mouth = plug_z + plug_h - tab_z;
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color("silver") {
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linear_extrude(height = l, center = true)
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difference() {
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square([h, w], center = true);
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translate([h / 2 - tab_z - mouth / 2, 0])
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square([mouth + 0.1, plug_w + 0.1], center = true);
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}
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translate_z(-l / 2)
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cube([h, w, eps], center = true);
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}
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color(grey30) {
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linear_extrude(height = l - 0.2, center = true)
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difference() {
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square([h - 0.1, w - 0.1], center = true);
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translate([h / 2 - plug_z - plug_h / 2, 0])
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square([plug_h, plug_w - 0.1], center = true);
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translate([h / 2 - tab_z - plug_h / 2, 0])
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square([plug_h, tab_w], center = true);
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}
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translate_z(-l / 2 + 1)
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cube([h - 0.1, w - 0.1, 0.1], center = true);
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}
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}
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}
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}
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module jack(cutout = false) { //! Draw 3.5mm jack
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l = 12;
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w = 7;
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h = 6;
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d = 6;
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ch = 2.5;
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translate_z(h / 2)
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if(cutout)
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rotate([0, 90, 0])
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cylinder(d = d + 2 * panel_clearance, h = 100);
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else
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color(grey20)
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rotate([0, 90, 0]) {
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linear_extrude(height = l / 2)
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difference() {
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square([h, w], center = true);
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circle(d = 3.5);
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}
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tube(or = d / 2, ir = 3.5 / 2, h = l / 2 + ch, center = false);
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translate_z(-l / 4)
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cube([h, w, l / 2], center = true);
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}
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}
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function hdmi_depth(type) = type[2]; //! Front to back depth
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function hdmi_width1(type) = type[3]; //! Inside width at the top
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function hdmi_width2(type) = type[4]; //! Inside width at the bottom
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function hdmi_height1(type) = type[5]; //! Inside height at the sides
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function hdmi_height2(type) = type[6]; //! Inside height in the middle
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function hdmi_height(type) = type[7]; //! Outside height above the PCB
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function hdmi_thickness(type) = type[8]; //! Wall thickness of the metal
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hdmi_full = [ "hdmi_full", "HDMI socket", 12, 14, 10, 3, 4.5, 6.5, 0.5 ];
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hdmi_mini = [ "hdmi_mini", "Mini HDMI socket", 7.5, 10.5, 8.3, 1.28, 2.5, 3.2, 0.35 ];
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module hdmi(type, cutout = false) { //! Draw HDMI socket
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vitamin(str("hdmi(", type[0], "): ", type[1]));
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l = hdmi_depth(type);
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iw1 = hdmi_width1(type);
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iw2 = hdmi_width2(type);
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ih1 = hdmi_height1(type);
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ih2 = hdmi_height2(type);
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h = hdmi_height(type);
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t = hdmi_thickness(type);
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module D() {
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hull() {
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translate([-iw1 / 2, h - t - ih1])
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square([iw1, ih1]);
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translate([-iw2 / 2, h - t - ih2])
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square([iw2, ih2]);
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}
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}
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if(cutout)
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rotate([90, 0, 90])
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linear_extrude(height = 100)
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offset(t + panel_clearance)
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D();
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else
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color("silver")
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rotate([90, 0, 90]) {
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linear_extrude(height = l, center = true)
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difference() {
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offset(t)
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D();
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D();
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}
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translate_z(-l / 2)
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linear_extrude(height = 1)
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offset(t)
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D();
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}
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}
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module usb_uA(cutout = false) { //! Draw USB micro A connector
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l = 6;
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iw1 = 7;
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iw2 = 5.7;
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ih1 = 1;
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ih2 = 1.85;
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h = 2.65;
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t = 0.4;
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flange_h = 3;
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flange_w = 8;
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module D() {
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hull() {
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translate([-iw1 / 2, h - t - ih1])
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square([iw1, ih1]);
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translate([-iw2 / 2, h - t - ih2])
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square([iw2, ih2]);
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}
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}
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if(cutout)
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rotate([90, 0, 90])
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linear_extrude(height = 100)
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offset((flange_h - ih2) / 2 + 2 * panel_clearance)
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D();
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else
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color("silver") rotate([90, 0, 90]) {
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linear_extrude(height = l, center = true)
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difference() {
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offset(t)
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D();
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D();
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}
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translate_z(-l / 2)
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linear_extrude(height = 1)
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offset(t)
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D();
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translate_z(l / 2 - t)
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linear_extrude(height = t) difference() {
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union() {
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translate([0, h - t - ih1 / 2])
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square([flange_w, ih1], center = true);
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translate([0, h / 2 + flange_h / 4])
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square([iw1, flange_h / 2], center = true);
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translate([0, h / 2 - flange_h / 4])
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square([iw2, flange_h / 2], center = true);
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}
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D();
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}
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}
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}
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module usb_B(cutout = false) { //! Draw USB B connector
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l = 16.4;
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w = 12.2;
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h = 11;
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tab_w = 5.6;
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tab_h = 3.2;
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d_h = 7.78;
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d_w = 8.45;
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d_w2 = 5;
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d_h2 = d_h - (d_w - d_w2) / 2;
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module D()
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hull() {
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translate([-d_w / 2, 0])
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square([d_w, d_h2]);
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translate([-d_w2 /2, 0])
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square([d_w2, d_h]);
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}
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if(cutout)
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translate([50, 0, h / 2 - panel_clearance])
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cube([100, w + 2 * panel_clearance, h + 2 * panel_clearance], center = true);
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else
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translate_z(h / 2) rotate([90, 0, 90]) {
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color("silver") {
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linear_extrude(height = l, center = true)
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difference() {
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square([w, h], center = true);
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translate([0, -d_h / 2])
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offset(delta = 0.2)
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D();
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}
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translate_z(-l / 2 + 0.1)
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cube([w, h, 0.2], center = true);
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}
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color("white") {
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linear_extrude(height = l - 0.4, center = true)
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difference() {
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square([w - 0.2, h - 0.2], center = true);
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translate([0, -d_h / 2])
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difference() {
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D();
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translate([0, d_h / 2])
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square([tab_w, tab_h], center = true);
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}
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}
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translate_z( -(l - 0.4) / 2 + 1)
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cube([w - 0.2, h - 0.2, 2], center = true);
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}
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}
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}
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module barrel_jack(cutout = false) { //! Draw barrel power jack
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l = 13.2;
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w = 8.89;
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h = 11;
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bore_d = 6.3;
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bore_h = 6.5;
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bore_l = 11.8;
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pin_d = 2;
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front = 3.3;
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r = 0.5;
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contact_d = 2;
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contact_w = 4;
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inset = 1;
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if(cutout)
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;
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else {
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color(grey20) rotate([0, 90, 0]) {
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linear_extrude(height = l, center = true) {
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difference() {
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translate([-h / 2, 0])
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rounded_square([h, w], r);
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translate([-bore_h, 0])
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circle(d = bore_d);
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translate([-h / 2 - bore_h, 0])
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square([h, w], center = true);
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}
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}
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translate_z(l / 2 - front)
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linear_extrude(height = front) {
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difference() {
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translate([-h / 2, 0])
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rounded_square([h, w], r);
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translate([-bore_h, 0])
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circle(d = bore_d);
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}
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}
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translate([-bore_h, 0])
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tube(or = w / 2 - 0.5, ir = bore_d / 2, h = l);
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translate([-bore_h, 0, -l / 2])
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cylinder(d = w -1, h = l - bore_l);
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}
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color("silver") {
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translate([l / 2 - inset - pin_d / 2, 0, bore_h])
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hull() {
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sphere(pin_d / 2);
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rotate([0, -90, 0])
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cylinder(d = pin_d, h = bore_l - inset);
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}
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hull() {
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translate([l / 2 - inset - contact_d / 2, 0, bore_h - bore_d / 2])
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rotate([90, 0, 0])
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cylinder(d = contact_d, h = contact_w, center = true);
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translate([l / 2 - bore_l, 0, bore_h - bore_d / 2 + contact_d / 4])
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cube([eps, contact_w, eps], center = true);
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}
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}
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}
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}
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module uSD(size, cutout = false) { //! Draw uSD socket
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min_w = 12;
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w = size.x - min_w;
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t = 0.15;
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if(cutout)
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;
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else
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translate_z(size.z / 2) {
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color("silver")
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rotate([90, 0, 90]) {
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linear_extrude(height = size.y, center = true)
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difference() {
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square([size.x, size.z], center = true);
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square([size.x - 2 * t, size.z - 2 * t], center = true);
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}
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translate_z(-size.y / 2 + t / 2)
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cube([size.x, size.z, t], center = true);
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}
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if(w > 0)
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color(grey20)
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rotate([90, 0, 90])
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translate_z(t)
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linear_extrude(height = size.y - t, center = true)
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difference() {
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square([size.x - 2 * t, size.z - 2 * t], center = true);
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translate([-size.x / 2 + min_w / 2 + 0.7, size.z / 2 - t])
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square([min_w, 2.2], center = true);
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}
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}
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}
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module flex(cutout = false) { //! Draw flexistrip connector
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l = 20.6;
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w = 3;
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h = 5.6;
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top_l = 22.4;
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top_t = 1.1;
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tab_l = 13;
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tab_w = 1;
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slot_l = 16.4;
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slot_w = 0.7;
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slot_offset = 0.6;
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if(cutout)
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;
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else {
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color(grey30) {
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translate_z(0.5)
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cube([l, w, 1], center = true);
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linear_extrude(height = h)
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difference() {
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square([l, w], center = true);
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translate([0, -w / 2 + slot_offset + slot_w / 2])
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square([slot_l, slot_w], center = true);
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}
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translate_z(h - top_t)
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linear_extrude(height = top_t)
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difference() {
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union() {
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square([top_l, w], center = true);
|
|
|
|
hull() {
|
|
translate([0, -w / 2 + (w + tab_w) / 2])
|
|
square([tab_l - 1, w + tab_w], center = true);
|
|
|
|
square([tab_l, w], center = true);
|
|
}
|
|
}
|
|
|
|
translate([0, -w / 2 + slot_offset + slot_w / 2])
|
|
square([slot_l, slot_w], center = true);
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
module flat_flex(cutout = false) { //! Draw flat flexistrip connector as used on RPI0
|
|
l1 = 17;
|
|
w1 = 1.4;
|
|
h1 = 1.2;
|
|
|
|
l2 = 15.4;
|
|
w2 = 1.6;
|
|
h2 = 1.0;
|
|
|
|
l3 = 16;
|
|
w3 = 1.1;
|
|
h3 = 1.2;
|
|
|
|
l4 = 12;
|
|
|
|
slot_l = 11.8;
|
|
slot_h = 0.9;
|
|
|
|
w = w1 + w2 + w3;
|
|
if(cutout)
|
|
;
|
|
else {
|
|
color(grey30) {
|
|
translate([w / 2 - w1, 0, h1 / 2])
|
|
rotate([90, 0, 90])
|
|
linear_extrude(height = w1)
|
|
difference() {
|
|
square([l1, h1], center = true);
|
|
|
|
translate([0, -h1 / 2])
|
|
square([slot_l, slot_h * 2], center = true);
|
|
}
|
|
|
|
}
|
|
color(grey90) {
|
|
translate([-w / 2 + w3 / 2, 0, h3 / 2])
|
|
cube([w3, l3, h3], center = true);
|
|
|
|
translate([-w / 2 + w3 + w2 / 2, 0, h2 / 2])
|
|
cube([w2, l2, h2], center = true);
|
|
|
|
translate([-w / 2 + w3 + w2 / 2, 0, h3 / 2])
|
|
cube([w2, l4, h3], center = true);
|
|
}
|
|
}
|
|
}
|
|
|
|
module terminal_35(ways) { //! Draw 3.5mm terminal block
|
|
vitamin(str("terminal_35(", ways, "): Terminal block ", ways, " way 3.5mm"));
|
|
pitch = 3.5;
|
|
width = ways * pitch;
|
|
depth = 7;
|
|
height = 8.3;
|
|
chamfer_h = 3;
|
|
chamfer_d = 1;
|
|
box_z = 0.5;
|
|
box_w = 2.88;
|
|
box_h = 4.1;
|
|
wire_z = 2;
|
|
wire_d = 2;
|
|
pin_l = 4.2;
|
|
pin_d = 0.9;
|
|
|
|
module single() {
|
|
screw_r = 1;
|
|
color("blue") {
|
|
rotate([90, 0, 0])
|
|
linear_extrude(height = pitch, center = true)
|
|
polygon(points = [
|
|
[ depth / 2, 0],
|
|
[ depth / 2, box_z],
|
|
[-depth / 2 + 1, box_z],
|
|
[-depth / 2 + 1, box_z + box_h],
|
|
[ depth / 2, box_z + box_h],
|
|
[ depth / 2, height - chamfer_h],
|
|
[ depth / 2 - chamfer_d, height],
|
|
[ -screw_r - eps, height],
|
|
[ -screw_r - eps, box_z + box_h],
|
|
[ screw_r + eps, box_z + box_h],
|
|
[ screw_r + eps, height],
|
|
[-depth / 2, height],
|
|
[-depth / 2, 0],
|
|
]);
|
|
|
|
linear_extrude(height = box_z + box_h)
|
|
difference() {
|
|
square([depth, pitch], center = true);
|
|
|
|
translate([1, 0])
|
|
square([depth, box_w], center = true);
|
|
|
|
|
|
}
|
|
|
|
translate_z(box_z + box_h)
|
|
linear_extrude(height = height - box_z - box_h)
|
|
difference() {
|
|
square([2 * screw_r + 0.1, pitch], center = true);
|
|
|
|
circle(screw_r);
|
|
}
|
|
}
|
|
color("silver") {
|
|
screw_z = box_z + box_h;
|
|
translate_z(screw_z) {
|
|
cylinder(r = screw_r, h = height - screw_z - 1); // screw
|
|
|
|
linear_extrude(height = height - screw_z - 0.5)
|
|
difference() {
|
|
circle(1);
|
|
|
|
square([4, 0.5], center = true); // screw slot
|
|
|
|
square([0.5, 1.7], center = true); // second screw slot
|
|
}
|
|
|
|
}
|
|
translate_z(box_z - pin_l)
|
|
cylinder(d = pin_d, h = pin_l + box_z, $fn = 16); // pin
|
|
|
|
translate_z(box_z + box_h / 2) // terminal
|
|
rotate([0, -90, 0]) {
|
|
linear_extrude(height = depth - 2, center = true)
|
|
difference() {
|
|
square([box_h, box_w], center = true);
|
|
|
|
translate([wire_z - box_z - box_h / 2, 0])
|
|
circle(d = wire_d);
|
|
}
|
|
translate_z(depth / 2 - 1.5)
|
|
cube([box_h, box_w, 1], center = true);
|
|
}
|
|
}
|
|
}
|
|
for(i = [0: ways -1])
|
|
translate([0, i * pitch - width / 2 + pitch / 2])
|
|
single();
|
|
}
|
|
|
|
module molex_254(ways) { //! Draw molex header
|
|
vitamin(str("molex_254(", ways, "): Molex KK header ", ways, " way"));
|
|
pitch = 2.54;
|
|
width = ways * pitch - 0.1;
|
|
depth = 6.35;
|
|
height = 8.15;
|
|
base = 3.18;
|
|
back = 1;
|
|
below = 2.3;
|
|
above = 9;
|
|
color("white")
|
|
union() {
|
|
translate([ -depth / 2, -width / 2,])
|
|
cube([depth, width, base]);
|
|
|
|
w = width - pitch;
|
|
translate([- depth / 2, -w / 2])
|
|
cube([back, w, height]);
|
|
}
|
|
|
|
color("silver")
|
|
for(i = [0: ways -1])
|
|
translate([0, i * pitch - width / 2 + pitch / 2, (above + below) / 2 - below])
|
|
cube([0.44, 0.75, above + below], center = true);
|
|
}
|
|
|
|
module standoff(h, d, h2, d2) {
|
|
color("white") {
|
|
cylinder(d = d, h = h);
|
|
|
|
hull() {
|
|
translate_z(-(h2 - h) / 2 + d2 / 2)
|
|
sphere(d = d2);
|
|
|
|
translate_z(h +(h2 - h) / 2 - d2 / 2)
|
|
sphere(d = d2);
|
|
}
|
|
}
|
|
}
|
|
|
|
module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb component from description
|
|
function show(comp, part) = (comp[3] == part || comp[3] == str("-",part)) && (!cutouts || angle == undef || angle == comp.z);
|
|
function param(n, default = 0) = len(comp) > n ? comp[n] : default;
|
|
rotate(comp.z) {
|
|
if(show(comp, "2p54header")) pin_header(2p54header, comp[4], comp[5], param(6), cutouts);
|
|
if(show(comp, "2p54boxhdr")) box_header(2p54header, comp[4], comp[5], param(6), cutouts);
|
|
if(show(comp, "2p54socket")) pin_socket(2p54header, comp[4], comp[5], param(6, false), param(7), param(8, false), cutouts);
|
|
if(show(comp, "chip")) chip(comp[4], comp[5], comp[6], param(7, grey30), cutouts);
|
|
if(show(comp, "rj45")) rj45(cutouts);
|
|
if(show(comp, "usb_Ax2")) usb_Ax2(cutouts);
|
|
if(show(comp, "usb_uA")) usb_uA(cutouts);
|
|
if(show(comp, "usb_B")) usb_B(cutouts);
|
|
if(show(comp, "jack")) jack(cutouts);
|
|
if(show(comp, "barrel_jack")) barrel_jack(cutouts);
|
|
if(show(comp, "hdmi")) hdmi(hdmi_full, cutouts);
|
|
if(show(comp, "mini_hdmi")) hdmi(hdmi_mini, cutouts);
|
|
if(show(comp, "flex")) flex(cutouts);
|
|
if(show(comp, "flat_flex")) flat_flex(cutouts);
|
|
if(show(comp, "D_plug")) if(!cutouts) translate_z(d_pcb_offset(comp[4])) d_plug(comp[4], pcb = true);
|
|
if(show(comp, "molex_hdr")) if(!cutouts) molex_254(comp[4]);
|
|
if(show(comp, "term254")) if(!cutouts) green_terminal(gt_2p54,comp[4], comp[5]);
|
|
if(show(comp, "gterm35")) if(!cutouts) green_terminal(gt_3p5, comp[4], comp[5]);
|
|
if(show(comp, "gterm635")) if(!cutouts) green_terminal(gt_6p35, comp[4], comp[5]);
|
|
if(show(comp, "term35")) if(!cutouts) terminal_35(comp[4]);
|
|
if(show(comp, "transition")) if(!cutouts) idc_transition(2p54header, comp[4], comp[5]);
|
|
if(show(comp, "block"))
|
|
color(comp[7]) if(!cutouts) translate_z(comp[6] / 2) cube([comp[4], comp[5], comp[6]], center = true);
|
|
else if(comp[8]) translate([-50, 0, comp[6] / 2 - panel_clearance]) cube([100, comp[5] + 2 * panel_clearance, comp[6] + 2 * panel_clearance], center = true);
|
|
if(show(comp, "button_6mm")) square_button(button_6mm);
|
|
if(show(comp, "pcb")) if(!cutouts) translate_z(comp[4]) pcb(comp[5]);
|
|
if(show(comp, "standoff")) if(!cutouts) standoff(comp[4], comp[5], comp[6], comp[7]);
|
|
if(show(comp, "uSD")) uSD(comp[4], cutouts);
|
|
}
|
|
}
|
|
|
|
function pcb_component_position(type, name, index = 0) = //! Return x y position of specified component
|
|
[for(comp = pcb_components(type), p = [pcb_coord(type, [comp.x, comp.y])]) if(comp[3] == name) [p.x, p.y]][index];
|
|
|
|
module pcb_component_position(type, name) { //! Position child at the specified component position
|
|
for(comp = pcb_components(type)) {
|
|
p = pcb_coord(type, [comp.x, comp.y]);
|
|
if(comp[3][0] == "-") {
|
|
if(comp[3] == str("-", name))
|
|
translate([p.x, p.y])
|
|
vflip()
|
|
children();
|
|
}
|
|
else
|
|
if(comp[3] == name)
|
|
translate([p.x, p.y, pcb_thickness(type)])
|
|
children();
|
|
}
|
|
}
|
|
|
|
module pcb_components(type, cutouts = false, angle = undef) { //! Draw list of PCB components on the PCB
|
|
not_on_bom(pcb_parts_on_bom(type))
|
|
for(comp = pcb_components(type)) {
|
|
p = pcb_coord(type, [comp.x, comp.y]);
|
|
if(comp[3][0] == "-")
|
|
translate([p.x, p.y])
|
|
vflip()
|
|
pcb_component(comp, cutouts, angle);
|
|
else
|
|
translate([p.x, p.y, pcb_thickness(type)])
|
|
pcb_component(comp, cutouts, angle);
|
|
}
|
|
}
|
|
|
|
module pcb_cutouts(type, angle = undef) pcb_components(type, true, angle); //! Make cut outs to clear components on a PCB
|
|
|
|
module pcb_grid_positions(type) {
|
|
grid = pcb_grid(type);
|
|
x0 = grid.x;
|
|
y0 = grid.y;
|
|
|
|
cols = is_undef(grid[2]) ? round((pcb_length(type) - 2 * x0) / inch(0.1)) : grid[2] - 1;
|
|
rows = is_undef(grid[3]) ? round((pcb_width(type) - 2 * y0) / inch(0.1)) : grid[3] - 1;
|
|
for(x = [0 : cols], y = [0 : rows])
|
|
pcb_grid(type, x, y)
|
|
children();
|
|
}
|
|
|
|
module pcb(type) { //! Draw specified PCB
|
|
grid = pcb_grid(type);
|
|
t = pcb_thickness(type);
|
|
if(pcb_name(type))
|
|
vitamin(str("pcb(", type[0], "): ", pcb_name(type)));
|
|
|
|
for(part = pcb_accessories(type))
|
|
vitamin(part);
|
|
|
|
pcb_components(type);
|
|
|
|
color(pcb_colour(type)) linear_extrude(height = t) difference() {
|
|
if(Len(pcb_polygon(type)))
|
|
polygon(pcb_polygon(type));
|
|
else
|
|
rounded_square([pcb_length(type), pcb_width(type)], r = pcb_radius(type));
|
|
|
|
pcb_screw_positions(type)
|
|
circle(d = pcb_hole_d(type) + eps);
|
|
|
|
if(Len(grid))
|
|
pcb_grid_positions(type)
|
|
circle(d = 1 + eps);
|
|
}
|
|
|
|
color("silver")
|
|
translate_z(t / 2)
|
|
pcb_screw_positions(type)
|
|
tube(or = max(pcb_land_d(type), 1) / 2, ir = pcb_hole_d(type) / 2, h = t + 2 * eps);
|
|
|
|
fr4 = pcb_colour(type) != "sienna";
|
|
plating = 0.15;
|
|
color(pcb_colour(type) == "green" ? "silver" : "gold")
|
|
translate_z(-plating)
|
|
linear_extrude(height = fr4 ? t + 2 * plating : plating)
|
|
if(Len(grid)) {
|
|
pcb_grid_positions(type)
|
|
difference() {
|
|
circle(d = 2);
|
|
|
|
circle(d = 1);
|
|
}
|
|
if(fr4 && len(grid) < 3) { // oval lands at the ends
|
|
screw_x = pcb_coord(type, pcb_holes(type)[0]).x;
|
|
y0 = pcb_grid(type).y;
|
|
rows = round((pcb_width(type) - 2 * y0) / inch(0.1));
|
|
for(end = [-1, 1], y = [1 : rows - 1])
|
|
translate([end * screw_x, y0 + y * inch(0.1) - pcb_width(type) / 2])
|
|
hull()
|
|
for(x = [-1, 1])
|
|
translate([x * 1.6 / 2, 0])
|
|
circle(d = 2);
|
|
}
|
|
}
|
|
}
|
|
|
|
module pcb_spacer(screw, height, wall = 1.8, taper = 0) { //! Generate STL for PCB spacer
|
|
stl(str("pcb_spacer", round(screw_radius(screw) * 20), round(height * 10), taper ? str("_", taper) : ""));
|
|
|
|
ir = screw_clearance_radius(screw);
|
|
or = corrected_radius(ir) + wall;
|
|
|
|
if(height > taper)
|
|
linear_extrude(height = height - taper)
|
|
poly_ring(or, ir);
|
|
|
|
if(taper)
|
|
linear_extrude(height = height)
|
|
poly_ring(ir + 2 * extrusion_width, ir);
|
|
}
|
|
|
|
module pcb_base(type, height, thickness, wall = 2) { //! Generate STL for a base with PCB spacers
|
|
screw = pcb_screw(type);
|
|
ir = screw_clearance_radius(screw);
|
|
or = corrected_radius(ir) + wall;
|
|
|
|
union() {
|
|
linear_extrude(height = thickness)
|
|
difference() {
|
|
hull()
|
|
pcb_screw_positions(type)
|
|
poly_ring(or, ir);
|
|
|
|
pcb_screw_positions(type)
|
|
poly_circle(ir);
|
|
}
|
|
|
|
linear_extrude(height = height)
|
|
pcb_screw_positions(type)
|
|
poly_ring(or, ir);
|
|
}
|
|
}
|
|
|
|
module pcb_assembly(type, height, thickness) { //! Draw PCB assembly with spaces and fasteners in place
|
|
translate_z(height)
|
|
pcb(type);
|
|
|
|
screw = pcb_screw(type);
|
|
if(!is_undef(screw)) {
|
|
washer = screw_washer(screw);
|
|
nut = screw_nut(screw);
|
|
screw_length = screw_longer_than(height + thickness + pcb_thickness(type) + washer_thickness(washer) + nut_thickness(nut, true));
|
|
|
|
taper = screw_smaller_than(pcb_hole_d(type)) > 2 * screw_radius(screw); // Arduino?
|
|
pcb_screw_positions(type) {
|
|
translate_z(height + pcb_thickness(type))
|
|
screw(screw, screw_length);
|
|
|
|
color(pp1_colour)
|
|
if(taper)
|
|
pcb_spacer(screw, height, taper = 2);
|
|
else
|
|
pcb_spacer(screw, height);
|
|
|
|
translate_z(-thickness)
|
|
vflip()
|
|
nut_and_washer(nut, true);
|
|
}
|
|
}
|
|
}
|