add roundedcube.scad, first pass at additional port access points in case
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61
roundedcube.scad
Normal file
61
roundedcube.scad
Normal file
@ -0,0 +1,61 @@
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// Higher definition curves
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$fs = 0.01;
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module roundedcube(size = [1, 1, 1], center = false, radius = 0.5, apply_to = "all") {
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// If single value, convert to [x, y, z] vector
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size = (size[0] == undef) ? [size, size, size] : size;
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translate_min = radius;
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translate_xmax = size[0] - radius;
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translate_ymax = size[1] - radius;
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translate_zmax = size[2] - radius;
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diameter = radius * 2;
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module build_point(type = "sphere", rotate = [0, 0, 0]) {
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if (type == "sphere") {
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sphere(r = radius);
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} else if (type == "cylinder") {
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rotate(a = rotate)
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cylinder(h = diameter, r = radius, center = true);
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}
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}
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obj_translate = (center == false) ?
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[0, 0, 0] : [
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-(size[0] / 2),
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-(size[1] / 2),
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-(size[2] / 2)
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];
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translate(v = obj_translate) {
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hull() {
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for (translate_x = [translate_min, translate_xmax]) {
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x_at = (translate_x == translate_min) ? "min" : "max";
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for (translate_y = [translate_min, translate_ymax]) {
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y_at = (translate_y == translate_min) ? "min" : "max";
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for (translate_z = [translate_min, translate_zmax]) {
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z_at = (translate_z == translate_min) ? "min" : "max";
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translate(v = [translate_x, translate_y, translate_z])
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if (
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(apply_to == "all") ||
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(apply_to == "xmin" && x_at == "min") || (apply_to == "xmax" && x_at == "max") ||
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(apply_to == "ymin" && y_at == "min") || (apply_to == "ymax" && y_at == "max") ||
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(apply_to == "zmin" && z_at == "min") || (apply_to == "zmax" && z_at == "max")
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) {
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build_point("sphere");
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} else {
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rotate =
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(apply_to == "xmin" || apply_to == "xmax" || apply_to == "x") ? [0, 90, 0] : (
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(apply_to == "ymin" || apply_to == "ymax" || apply_to == "y") ? [90, 90, 0] :
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[0, 0, 0]
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);
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build_point("cylinder", rotate);
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}
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}
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}
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}
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}
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}
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}
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@ -8,24 +8,38 @@ include <roundedcube.scad>
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// parameters - all lengths in mm
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battery_width = 60;
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battery_length = 102;
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battery_depth = 13;
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battery_depth = 19; // battery + UPS HAT + external USB-A port
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depth_of_circuit_boards = 6; // includes tallest component
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pi_width = 64;
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pi_length = 30;
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pi_height = 13; // pi zero w and Pirate Audio Headphone Amp HAT stacked
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lcd_width = 23.4;
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lcd_height = 23.4;
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lcd_depth = 6; // how far to recess from top surface of case
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headphone_offset_length = 20; // from "top"
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headphone_offset_depth = 5; // from "front"
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usb_a_offset_length = 15; // from "bottom"
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usb_a_offset_depth = 11; // from "back"
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micro_usb_offset_width = 18; // from "right"
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micro_usb_offset_depth = 11; // from "back"
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// build
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case_width = pi_width + 2; // wider of battery_width and pi_width
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case_length = battery_length + pi_length + 2 + 2; // extra 2mm for space between battery and pi
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case_depth = battery_depth + 2; // deeper of battery_depth and pi_depth
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difference() {
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// case
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color("white", 0.4) {
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roundedcube(
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[
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battery_width + 1,
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battery_length + 1,
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depth_of_circuit_boards + battery_depth + 2
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case_width,
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case_length,
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case_depth
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],
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false,
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5
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@ -36,9 +50,9 @@ difference() {
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color("white", 0.0) {
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roundedcube(
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[
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battery_width - 1,
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battery_length - 1,
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depth_of_circuit_boards + battery_depth
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case_width - 2,
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case_length - 2,
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case_depth - 2
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],
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false,
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5
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@ -49,9 +63,9 @@ difference() {
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// active area of the LCD screen is 23.4mm x 23.4mm according to http://www.lcdwiki.com/1.3inch_IPS_Module
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// lcd cutout
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translate ([
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((battery_width + 1) / 2) + 8 - (lcd_width / 2),
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((battery_length + 1) - 10) - (lcd_height),
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battery_depth + 6
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(case_width / 2) + 8 - (lcd_width / 2),
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(case_length - 10) - (lcd_height),
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case_depth - 6
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]) {
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color ("blue") {
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cube(
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@ -63,9 +77,9 @@ difference() {
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// lcd buttons
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translate ([
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((battery_width + 1) / 2) + 21,
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((battery_length + 1) - 18),
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battery_depth + 6
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(case_width / 2) + 21,
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(case_length - 18),
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case_depth - 6
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]) {
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color ("green") {
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cube(
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@ -76,9 +90,9 @@ difference() {
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}
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translate ([
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((battery_width + 1) / 2) + 21,
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((battery_length + 1) - 28),
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battery_depth + 6
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(case_width / 2) + 21,
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(case_length - 28),
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case_depth - 6
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]) {
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color ("green") {
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cube(
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@ -89,9 +103,9 @@ difference() {
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}
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translate ([
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((battery_width + 1) / 2) - 8,
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((battery_length + 1) - 18),
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battery_depth + 6
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(case_width / 2) - 8,
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(case_length - 18),
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case_depth - 6
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]) {
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color ("green") {
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cube(
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@ -102,9 +116,9 @@ difference() {
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}
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translate ([
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((battery_width + 1) / 2) - 8,
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((battery_length + 1) - 28),
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battery_depth + 6
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(case_width / 2) - 8,
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(case_length - 28),
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case_depth - 6
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]) {
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color ("green") {
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cube(
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@ -116,9 +130,9 @@ difference() {
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// joystick
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translate ([
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((battery_width + 1) / 2) - 17,
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((battery_length + 1) - 27.5),
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battery_depth + 6
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(case_width / 2) - 17,
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(case_length - 27.5),
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case_depth - 6
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]) {
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rotate(a=45,v=[0,0,1]) {
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color ("green") {
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@ -130,4 +144,47 @@ difference() {
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}
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}
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// headphone jack
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translate([
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-1, // start far left of device
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case_length - headphone_offset_length, // distance from "top"
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case_depth - headphone_offset_depth // distance from "front"
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]) {
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rotate(a=90,v=[0,1,0]) {
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color ("yellow") {
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cylinder(
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h=3,
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d=4
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);
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}
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}
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}
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// usb-a port (external storage)
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translate([
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-1, // start far left of device
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usb_a_offset_length, // distance from "bottom"
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case_depth - usb_a_offset_depth // distance from "back"
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]) {
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color ("red") {
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cube(
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[3, 14, 7],
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false
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);
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}
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}
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// micro-usb port (power)
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translate([
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case_width - micro_usb_offset_width, // distance from "right"
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-1, // start far bottom of device
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case_depth - micro_usb_offset_depth // distance from "back"
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]) {
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color ("purple") {
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cube(
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[9, 3, 3],
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false
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);
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}
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}
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}
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