initial commit
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include <supports.scad>;
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include <plate.scad>;
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for(x=[0:3]) {
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for(y=[0:1])
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translate([60*x,60*y,0])
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plate4x4(thickness=4);
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}
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// this SCAD file defines the top plate for the case of a neotrellis monome-compatible grid controller.
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// the file is designed to be parametric, for easier testing.
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// TODO tolerances
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// first, we declare some parameters, that will be useful to tweak while testing the model:
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// Button size (in mm)
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button_size = 10;
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// Spacing between buttons (in mm)
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spacing = 5;
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// Tolerance for button holes (how much larger they are than a button)
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tolerance = 0.4;
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// outer spacing - spacing between the edge of the silicon part and the buttons
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outer_spacing = 2.5;
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// module for a 4x4 unit of the top plate.
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module plate4x4(thickness) {
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difference() {
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cube(
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[outer_spacing*2+button_size*4+spacing*3,
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outer_spacing*2+button_size*4+spacing*3,
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thickness]);
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for(x=[0:3]) {
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for(y=[0:3]) {
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translate(
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[outer_spacing-(tolerance/2)+((button_size+spacing)*x),
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outer_spacing-(tolerance/2)+((button_size+spacing)*y),
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-0.5])
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cube([button_size+tolerance,button_size+tolerance,thickness+1]);
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}
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}
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}
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}
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plate4x4(1);
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// this SCAD file defines the support structures for the neotrellis grid. (potentially also bottom case)
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pcb_size = 60; // the PCB is 60x60mm square
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pcb_depth = 7.57; // the PCB is 7.57mm deep, overall (including connector + lEDs)
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connector_depth=5.7; // the connector on the bottom of the PCB is 5.8mm thick.
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pcb_thickness= 1.7; // the PCB itself (just the board, w/o components) is roughly 1.7mm thick
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wall_width=5; // width of support structure walls
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support_depth=10; // depth of support structure wall
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cutout_width=25; // width of the cutouts in the support structure, for wires etc
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cutout_depth=5; // depth of the cutouts in the support structure
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// translate everything down relative to the PCB reference
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translate([0,0,-support_depth-pcb_thickness]) {
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// create outer walls by differencing a box with an inner box that is smaller
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difference() {
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// outer box - the size of the overall box
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cube([pcb_size,pcb_size,support_depth]);
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translate([wall_width,wall_width,-1]) {
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// inner box - cuts a hole to create outer walls rather than a box
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cube([pcb_size-(wall_width*2),pcb_size-(wall_width*2),support_depth+1.01]);
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}
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translate([-1, pcb_size/2-cutout_width/2, support_depth-cutout_depth]) {
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cube([pcb_size+2,cutout_width,cutout_depth+1]); // cutouts in one direction
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}
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translate([pcb_size/2-cutout_width/2, -1, support_depth-cutout_depth])
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cube([cutout_width, pcb_size+2, cutout_depth+1]); // cutouts in the other direction
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}
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}
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// load and position the PCB as a reference
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rotate([180,0,0]) {
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translate([pcb_size/2,-pcb_size/2]) {
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%import("pcb-single.stl");
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}
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}
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// this SCAD file defines the support structures for the neotrellis grid. (potentially also bottom case)
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pcb_size = 60; // the PCB is 60x60mm square
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pcb_depth = 7.57; // the PCB is 7.57mm deep, overall (including connector + lEDs)
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connector_depth=5.7; // the connector on the bottom of the PCB is 5.8mm thick.
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pcb_thickness= 1.7; // the PCB itself (just the board, w/o components) is roughly 1.7mm thick
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support_width=5; // width of support structure walls
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support_depth=10; // depth of support structure wall
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floor_depth = 1; // depth of the bottom floor of the support
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wall_height = (pcb_depth-connector_depth)+4; // height of walls above the top of the supports
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wall_width = 1; // width of walls above the top of the supports
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cutout_width=25; // width of the cutouts in the support structure, for wires etc
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cutout_depth=5; // depth of the cutouts in the support structure
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pcbs_wide=2; // how many trellis PCBs are in the grid, width-wise
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pcbs_long=4; // how many trellis PCBs are in the grid, length-wise
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tolerance = 0.4;
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// translate everything down relative to the PCB reference
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translate([0,0,-support_depth-pcb_thickness]) {
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// create basic grid of support units
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difference() {
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union() {
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// create large outer box
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translate([-wall_width,-wall_width]) {
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difference() {
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cube([pcb_size*pcbs_long+wall_width*2,pcb_size*pcbs_wide+wall_width*2,support_depth+wall_height]);
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translate([wall_width,wall_width]) {
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cube([pcb_size*pcbs_long,pcb_size*pcbs_wide,support_depth+wall_height+0.1]);
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}
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}
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}
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for(x=[0:pcbs_long-1]) {
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for(y=[0:pcbs_wide-1]) {
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translate([pcb_size*x,pcb_size*y,0]) {
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support_unit();
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}
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}
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}
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}
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// add lengthwise internal cutouts
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for(x=[0:pcbs_wide-1]) {
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translate(
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[pcb_size/2,
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(pcb_size/2-cutout_width/2)+(pcb_size*x),
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support_depth-cutout_depth]) {
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cube([(pcb_size*(pcbs_long-1)),cutout_width,cutout_depth+1]);
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}
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}
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// add widthwise internal cutouts
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for(x=[0:pcbs_long-1]) {
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translate(
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[(pcb_size/2-cutout_width/2) + ((pcb_size)*x),
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pcb_size/2,
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support_depth-cutout_depth]) {
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cube([cutout_width, pcb_size*(pcbs_wide-1), cutout_depth+1]);
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}
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}
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// add cutout for USB port
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translate(
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[pcb_size*(pcbs_long-1)+wall_width+1,
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pcb_size/2-cutout_width/2+pcb_size,
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support_depth-cutout_depth
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]) {
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cube([pcb_size, cutout_width, cutout_depth+1]);
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}
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}
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}
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// load and position the PCB grid as a reference
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rotate([180,0,0]) {
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translate([pcb_size/2,-pcb_size/2-pcb_size]) {
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for(x=[0:pcbs_long-1]) {
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for(y=[0:pcbs_wide-1]) {
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translate([pcb_size*x,pcb_size*y,0]) {
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%import("pcb-single.stl");
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}
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}
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}
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}
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}
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// a support unit is the individual box underneath one trellis PCB. no cutouts are included in the module as these differ depending on position.
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module support_unit() {
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// outer box - the size of the overall box
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difference() {
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cube([pcb_size,pcb_size,support_depth]);
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translate([support_width,support_width,floor_depth]) {
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// inner box - cuts a hole in the center of the box to create walls+floor
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cube(
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[pcb_size-(support_width*2),
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pcb_size-(support_width*2),
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support_depth+1.01]);
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}
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}
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}
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