238 lines
7.1 KiB
OpenSCAD
238 lines
7.1 KiB
OpenSCAD
$fn = 50;
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width = 23;
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length = 119;
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height = 20;
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corner_radius = 2;
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wall_thickness = 1.5;
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post_diameter = 8;
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post_height = 0;
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hole_diameter = 3;
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lid_height = 4;
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lid_tolerance = .3;
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hook_height = 1;
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hook_tolerance = 0.75;
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hook_slit_height = 2.5;
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airslit_height = 1.75;
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ridge_height = 16.5;
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ridge_width = 1;
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ridge_depth = 2.5;
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module posts(x, y, z, h, r){
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translate([x, y, z])
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cylinder(r = r, h = h);
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translate([-x, y, z])
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cylinder(r = r, h = h);
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translate([-x, -y, z])
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cylinder(r = r, h = h);
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translate([x, -y, z])
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cylinder(r = r, h = h);
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}
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union() {
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difference() {
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// box
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hull() {
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posts(
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x=(width/2 - corner_radius),
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y=(length/2 - corner_radius),
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z=0,
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h=height,
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r=corner_radius);
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}
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// hollow
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hull() {
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posts(
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x=(width/2 - corner_radius - wall_thickness),
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y=(length/2 - corner_radius - wall_thickness),
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z=wall_thickness,
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h=height,
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r=corner_radius);
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}
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// lip inside box
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*hull() {
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posts(
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x=(width/2 - corner_radius - lid_lip),
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y=(length/2 - corner_radius - lid_lip),
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z=(height - lid_thickness),
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h=(lid_thickness + 1),
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r=corner_radius);
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}
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// ventilation slits left 1
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for(i = [(wall_thickness+post_height+3):(airslit_height*2):(height-5)]) {
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translate([(-width/2)-wall_thickness, (-length/2)+25, i])
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cube([10, length/5, airslit_height], center=true);
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}
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// ventilation slits left 2
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for(i = [(wall_thickness+post_height+3):(airslit_height*2):(height-5)]) {
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translate([(-width/2)-wall_thickness, (length/2)-25, i])
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cube([10, length/5, airslit_height], center=true);
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}
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// ventilation slits right 1
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for(i = [(wall_thickness+post_height+3):(airslit_height*2):(height-5)]) {
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translate([(width/2)-wall_thickness, (-length/2)+25, i])
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cube([10, length/5, 1.75], center=true);
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}
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// ventilation slits right 2
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for(i = [(wall_thickness+post_height+3):(airslit_height*2):(height-5)]) {
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translate([(width/2)-wall_thickness, (length/2)-25, i])
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cube([10, length/5, airslit_height], center=true);
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}
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// network connector hole 1
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translate([0, (length/2), wall_thickness+2+10])
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cube([17, 6, 20], center=true);
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// network connector hole 2
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translate([0, (-length/2), wall_thickness+2+10])
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cube([17, 6, 20], center=true);
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// sensor hole
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translate([(width/2), -7, wall_thickness+2+6])
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cube([5, 10, 7], center=true);
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translate([0, -9, -wall_thickness])
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cylinder(r = 5.5/2, h = 6);
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}
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// hooks upward facing side
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translate([-(width/2)-0.25, length/8, height-(hook_height/2)])
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cube([2.5, 7, hook_height], center=true);
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translate([-(width/2)-0.25, -length/8, height-(hook_height/2)])
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cube([2.5, 7, hook_height], center=true);
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// hooks downward facing side
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translate([(width/2)+0.25, 0, height-(hook_height/2)])
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cube([2.5, 7, hook_height], center=true);
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translate([(width/2)+0.25, length/4, height-(hook_height/2)])
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cube([2.5, 7, hook_height], center=true);
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translate([(width/2)+0.25, -length/4, height-(hook_height/2)])
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cube([2.5, 7, hook_height], center=true);
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// ridges to hold the pcb
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translate([(width/2)-wall_thickness, 0, ridge_height/2+(height-ridge_height)])
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cube([ridge_depth, ridge_width, ridge_height], center=true);
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translate([-((width/2)-wall_thickness),
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length/8,
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ridge_height/2+(height-ridge_height)])
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cube([ridge_depth, ridge_width, ridge_height], center=true);
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translate([-((width/2)-wall_thickness),
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-length/8,
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ridge_height/2+(height-ridge_height)])
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cube([ridge_depth, ridge_width, ridge_height], center=true);
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}
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/* lid */
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translate([0, 0, 50]) { /* match at Z=16.5, otherwise 50*/
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difference() {
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union() {
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difference() {
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hull() {
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posts(
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x=(width/2 - corner_radius + wall_thickness + lid_tolerance),
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y=(length/2 - corner_radius + lid_tolerance),
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z=0,
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h=lid_height+wall_thickness,
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r=corner_radius);
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}
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hull() {
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posts(
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x=(width/2 - corner_radius ),
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y=(length/2 - corner_radius)+5,
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z=-(wall_thickness),
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h=lid_height+wall_thickness,
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r=corner_radius);
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}
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// slits for hooks (upward facing side)
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translate([-((width/2)+wall_thickness/2),
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length/8,
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lid_height-((hook_slit_height)/2)])
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cube([4, 9, hook_slit_height], center=true);
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translate([-((width/2)+wall_thickness/2),
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-length/8,
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lid_height-((hook_slit_height)/2)])
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cube([4, 9, hook_slit_height], center=true);
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// slits for hooks (downward facing side)
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translate([(width/2)+(wall_thickness/2),
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0,
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lid_height-((hook_slit_height)/2)])
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cube([4, 9, hook_slit_height], center=true);
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translate([(width/2)+(wall_thickness/2),
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length/4,
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lid_height-((hook_slit_height)/2)])
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cube([4, 9, hook_slit_height], center=true);
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translate([(width/2)+(wall_thickness/2),
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-(length/4),
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lid_height-((hook_slit_height)/2)])
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cube([4, 9, hook_slit_height], center=true);
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}
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// hooks downward facing side
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*translate([(width/2)-lid_lip, 0, 1])
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cube([2, 5, hook_thickness], center=true);
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*translate([(width/2)-lid_lip, length/4, 1])
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cube([2, 5, hook_thickness], center=true);
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*translate([(width/2)-lid_lip, -length/4, 1])
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cube([2, 5, hook_thickness], center=true);
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}
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// drilling holes
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translate([0, (length/4), -wall_thickness])
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cylinder(r = hole_diameter, h = 10);
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translate([0, -(length/4), -wall_thickness])
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cylinder(r = hole_diameter, h = 10);
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}
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}
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// support posts for pcb
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/*difference() {
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translate([0, length/4, wall_thickness])
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cylinder(r = post_diameter/2, h = post_height);
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translate([0, length/4, wall_thickness])
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cylinder(r = hole_diameter/2, h = post_height+3);
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}
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difference() {
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translate([0, -length/4, wall_thickness])
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cylinder(r = post_diameter/2, h = post_height);
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translate([0, -length/4, wall_thickness])
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cylinder(r = hole_diameter/2, h = post_height+3);
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}
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*/ |