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drawer-org-2d.scad
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module triangleSlicer(divider, rs, h, d, cutD) {
slice = divider * 1.5;
translate([-divider / 2 - 1, divider / 2 + 1, -1])
linear_extrude(h + 2, convexity = 2)
polygon([
[-slice, -slice],
[slice, slice],
[slice, -slice],
]);
cw = divider;
for (rz= [0, 1])
mirror([rz, rz, 0])
translate([
-divider * 2 + cw - 0.1,
-1.5,
(h) / 2
])
cube([cw, cw, h + 2], center = true);
for (zr = rs) {
y = cos(22.5) * (cutD / 2 + d / 2);
rotate([0, 0, zr + 45])
translate([0, y, -1])
cylinder(d = cutD * 1.01, h = h + 2, $fn = 128);
}
}
module supports(h, d, sides = 4, divider = 5, backT = 2, backOnly = false) {
separation = divider + 0.4 * 6 * 2;
cutD = (d - separation);
$fn = 64;
rs = (
(sides == 4) ?
[0, 90, 180, 270] :
(
(sides == 2) ?
[0, 270] :
[0]
)
);
edgeH = 5;
edgeW = 3;
if (!backOnly) {
intersection() {
difference() {
union () {
cutD = (d * 1.5 - separation);
linear_extrude(h)
offset(r = 1)
offset(delta = -1) {
intersection() {
difference() {
square(d * 1.5, center = true);
for (i = rs) {
y = cos(22.5) * (cutD / 2 + d * 1.5 / 2) - 3.4;
rotate([0, 0, i + 45])
translate([0, y, 0])
circle(d = cutD, $fn = 256);
}
rotate([0, 0, 45])
translate([0, 2, 0])
square([d / 2, d / 2], center = true);
for (m = [0, 1]) {
mirror([m, m, 0])
rotate([0, 0, 180])
translate([(d * 1.5 / 2) - divider / 2, -1, 0])
square([divider * 2, divider - 0.8], center = true);
}
}
// needed to trim excess sides
for (i = rs) {
y = cos(22.5) * (cutD / 2 + d / 2);
rotate([0, 0, i + 45])
translate([0, y / 1.5, 0])
circle(d = cutD, $fn = 64);
}
}
}
}
for (zr = rs) {
for (zs = [20])
rotate([0, 0, zr])
translate([0, 0, zs])
rotate([0, 90, 135])
translate([0, 0, -d / 2]) {
cylinder(d = 3.5, h = d);
translate([0, 0, d - 2.2])
cylinder(d = 6.8, h = 3, $fn = 6);
}
}
}
rotate([90, 0, -45])
translate([16, h / 2, 0]) {
intersection(){
cylinder(d = h + 16, h = d, center = true, $fn = 256);
rotate([0, 15, 0])
cylinder(d = h + 16, h = d * 2, center = true, $fn = 256);
rotate([0, -15, 0])
cylinder(d = h + 16, h = d * 2, center = true, $fn = 256);
}
}
}
}
if (backOnly && (sides == 1 || sides == 0)) {
*rotate([0, 0, -45]) translate([-17.8, -20, 0]) cube([10, 40, 10]);
intersection() {
difference() {
off = 2.5;
step = 0;
$fn = 64;
linear_extrude(h, convexity = 3)
offset(r = .5)
offset(delta = -.5)
polygon([
[-divider + backT - 2.5 - 1.5, -off - backT + 3],
[-d / 2 - divider / 2, -off - backT + 3],
[-d / 2 - divider / 2 + 2, -off + 3],
[-divider - off, -off + 3],
[-divider - off, step + 3.75],
[-divider - backT + 2.5, step + 3.75],
[-step - 3.75, divider + backT - 2.5],
[-step - 3.75, divider + off],
[off - 3, divider + off],
[off - 3, d / 2 + divider / 2 - 2],
[off + backT - 3, d / 2 + divider / 2],
[off + backT - 3, divider - backT + 2.5 + 1.5]
]);
for (zr = rs) {
for (zs = [20])
rotate([0, 0, zr])
translate([0, 0, zs])
rotate([0, 90, 135]) {
translate([0, 0, -d / 2])
cylinder(d = 3.75, h = d);
}
}
}
rotate([90, 0, -45])
translate([14, h / 2, 0]) {
intersection(){
cylinder(d = h + 16, h = d, center = true, $fn = 256);
rotate([0, 15, 0])
cylinder(d = h + 16, h = d * 2, center = true, $fn = 256);
rotate([0, -15, 0])
cylinder(d = h + 16, h = d * 2, center = true, $fn = 256);
}
}
}
}
if (backOnly && sides == 2) {
intersection() {
difference() {
off = 2.5;
step = 0;
$fn = 64;
union() {
linear_extrude(h, convexity = 3)
offset(r = 0.8)
offset(delta = -0.8)
union()
for (zm = [0, 1])
mirror([zm, 0, 0])
translate([1, 0, 0])
polygon([
[-divider + backT - 4, -off - backT + 3],
[-d / 2 - divider / 2 + 1, -off - backT + 3],
[-d / 2 - divider / 2, -off + 3],
[-divider - off, -off + 3],
[-divider - off, step + 3.75 - .75],
[-step - 3.5, divider - backT + 5],
[-step - 3.5, divider - backT + 5.4],
[off + backT - 3, divider - backT + 5.4]
]);
for (zr = rs)
mirror([zr, 0, 0]) {
translate([0, -1.5, h - h / 3])
cube([6.5, 4, h / 3]);
translate([0, .5, h - h / 3])
cube([3, 5, h / 3]);
translate([0, -1.5, 0])
cube([6.5, 4, h / 3]);
translate([0, .5, 0])
cube([3, 5, h / 3]);
}
}
for (zr = rs) {
for (zs = [20])
mirror([zr, 0, 0])
translate([0, 3, zs])
rotate([0, 90, 135]) {
translate([0, 0, 0])
cylinder(d = 3.7, h = d / 2);
}
}
for (zr = rs)
mirror([zr, 0, 0])
translate([-0, 3, 20])
rotate([0, 90, 45])
translate([0, 0, -0.5])
cylinder(d = 9, h = 4.6, $fn = 6);
}
rotate([90, 0, -90])
translate([8.5, h / 2, 0]) {
intersection(){
cylinder(d = h + 5, h = d * 1.5, center = true, $fn = 256);
rotate([0, 20, 0])
cylinder(d = h + 5, h = d * 2 * 1.5, center = true, $fn = 256);
rotate([0, -20, 0])
cylinder(d = h + 5, h = d * 2 * 1.5, center = true, $fn = 256);
}
}
}
}
}
*translate([30, 0, 0])
supports(40, 20, sides = 4);
group() {
%group() {
translate([0 + 6.25 + .25, .5, 0])
cube([5, 5, 40]);
translate([0 - 6.25 - 5.25, .5, 0])
cube([5, 5, 40]);
translate([0 - 2.5, 4.75 + 1.25, 0])
cube([5, 5, 40]);
}
translate([0, 0, 0]) {
translate([0.6, 2.4, 0])
supports(40, 20, sides = 1, backOnly = false);
translate([-0.6, 2.4, 0])
rotate([0, 0, -90])
supports(40, 20, sides = 1, backOnly = false);
}
! supports(40, 20, sides = 2, backOnly = true);
}
translate([25, 0, 0]) {
%group("green") {
translate([0 - 6.5 - 6, 0.5, 0])
cube([5, 5, 40]);
translate([0 - 5.5, 6.25 + 1.25, 0])
cube([5, 5, 40]);
}
translate([-2.4, 2.4, 0])
supports(40, 20, sides = 1, backOnly = false);
supports(40, 20, sides = 1, backOnly = true);
}