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fix ventilation for sidewalls

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zhao
2023-08-13 12:51:21 -04:00
parent 07dee71795
commit 7b0ea16b04
21 changed files with 94 additions and 104 deletions
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87
rack/side/sideWallBase.scad
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@ -131,41 +131,76 @@ module sideWallBase() {
}
}
module sideWallVerticalRibs(numRibs, ribZ, ribYDiff, ribExtrusion=1) {
module applySideWallDefaultVentilation(numVents) {
ribRampLength = 5;
ribWidth = 2;
r = 2; // vent roundness
ventLength = sideWallY - 2*sideWallDefaultVentilationToZEdge;
ventZDiff = (sideWallZ - 2*sideWallDefaultVentilationToYEdge)/(numVents-1);
intersection() {
for (i = [0:numRibs-1]) {
translate(v = [sideWallThickness, i*ribYDiff, (sideWallZ-ribZ)/2])
translate(v = [ribExtrusion-ribWidth, 0, 0])
verticalRib(ribExtend=4, ribWidth=ribWidth);
apply_n() {
for (i = [0:numVents-1]) {
translate(v = [0, sideWallDefaultVentilationToZEdge, i * ventZDiff + sideWallDefaultVentilationToYEdge])
vent();
}
halfspace(vpos=[1,0,0], p=[0,0,0]);
children(0);
}
module verticalRib(ribExtend, ribWidth) {
roundness = 0.5;
module vent() {
translate(v=[-inf/2,r,-sideWallDefaultVentilationWidth/2])
minkowski() {
hull() {
translate(v=[0,0,roundness])
cube(size = [eps, ribWidth, eps]);
rotate(a=[0,90,0])
cylinder(r=r,h=inf);
cube(size = [inf, max(eps, ventLength-2*r), max(eps,sideWallDefaultVentilationWidth-2*r)]);
}
}
}
translate(v = [0, 0, ribRampLength])
cube(size = [ribExtend, ribWidth, ribZ-2*(ribRampLength+roundness)]);
module applySideWallBracing(numRibs) {
translate(v = [0, 0, ribZ-roundness])
cube(size = [eps, ribWidth, eps]);
apply_p() {
// TODO add horizontal bracing
sideWallVerticalBracing(numRibs = numRibs);
children(0);
}
module sideWallVerticalBracing(numRibs, ribZ, ribExtrusion=1) {
ribRampLength = 5;
ribWidth = 2;
ribZ = sideWallZ;
ribYDiff = sideWallY - 2*sideWallDefaultVerticalBracingToZEdge;
translate(v=[0,sideWallDefaultVerticalBracingToZEdge,0])
intersection() {
for (i = [0:numRibs-1]) {
translate(v = [sideWallThickness, i*ribYDiff, (sideWallZ-ribZ)/2])
translate(v = [ribExtrusion-ribWidth, 0, 0])
verticalRib(ribExtend=4, ribWidth=ribWidth);
}
halfspace(vpos=[1,0,0], p=[0,0,0]);
}
sphere(r=roundness);
}
module verticalRib(ribExtend, ribWidth) {
roundness = 0.5;
translate(v=[0,-ribWidth/2,0])
minkowski() {
hull() {
translate(v=[0,0,roundness])
cube(size = [eps, ribWidth, eps]);
translate(v = [0, 0, ribRampLength])
cube(size = [ribExtend, ribWidth, ribZ-2*(ribRampLength+roundness)]);
translate(v = [0, 0, ribZ-roundness])
cube(size = [eps, ribWidth, eps]);
}
sphere(r=roundness);
}
}
}
}
}