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improve tray part

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This commit is contained in:
zhao
2023-08-26 17:23:53 -04:00
parent cd9a29848e
commit a717ef15e8
56 changed files with 125 additions and 72 deletions
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27
rack-mount/rackEars.scad
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@ -3,9 +3,20 @@ include <./common.scad>
// Rack ear modules.
// To be used either by itself if the item supports it, or within another module
rackEarModule(frontThickness=3,sideThickness=3,frontWidth=30, sideDepth=50, u=4, support=true);
rackEarModule(u=4, frontThickness=3, sideThickness=3, frontWidth=20, sideDepth=50, backPlaneHeight, support=true);
module rackEarModule(frontThickness, sideThickness, frontWidth, sideDepth, u, backPlaneHeight=3, support=true) {
module rackEarModule(
u,
frontThickness,
sideThickness,
frontWidth,
sideDepth,
backPlaneHeight,
support=true
) {
// check frontWidth is wide enough
assert(frontWidth-sideThickness >= rackMountScrewXDist+railScrewHoleToInnerEdge);
earHeight = u*uDiff + 2*rackMountScrewZDist;
@ -23,9 +34,13 @@ module rackEarModule(frontThickness, sideThickness, frontWidth, sideDepth, u, ba
}
if (support) {
defaultExtraSpacing = 1;
extraSpacing = frontWidth-(rackMountScrewXDist+railScrewHoleToInnerEdge+sideThickness) > defaultExtraSpacing
? defaultExtraSpacing
: 0; // don't include extra spacing for support, if tray itself is too large
hull() {
extraSpacing = 1;
translate(v= [rackMountScrewXDist+railScrewHoleToOuterEdge+extraSpacing,frontThickness,0])
translate(v= [rackMountScrewXDist+railScrewHoleToInnerEdge+extraSpacing,frontThickness,0])
cube(size = [sideThickness, eps, earHeight]);
backSegmentPlane();
@ -43,10 +58,10 @@ module rackEarModule(frontThickness, sideThickness, frontWidth, sideDepth, u, ba
module rackMountHoles() {
rotate(a=[90,0,0])
cylinder(r=screwRadiusSlacked(mainRailScrewType), h=frontThickness*2, center=true);
cylinder(r=screwRadiusSlacked(mainRailScrewType), h=inf, center=true);
translate(v=[0,0,u*uDiff])
rotate(a=[90,0,0])
cylinder(r=screwRadiusSlacked(mainRailScrewType), h=frontThickness*2, center=true);
cylinder(r=screwRadiusSlacked(mainRailScrewType), h=inf, center=true);
}
}