82 lines
2.2 KiB
OpenSCAD
82 lines
2.2 KiB
OpenSCAD
include <./config.scad>
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include <../helper/screws.scad>
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include <../helper/math.scad>
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include <../helper/halfspace.scad>
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include <./sharedVariables.scad>
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*mainRail();
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// Also known as the z-bar :)
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module mainRail() {
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b = 0.75; // bevel value
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intersection() {
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mainRailSharp();
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halfspace(vpos=[1,1,0], p=[b,b,0]);
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halfspace(vpos=[1,0,1], p=[b,0,b]);
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halfspace(vpos=[1,0,-1], p=[b,0,railTotalHeight-b]);
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}
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module mainRailSharp() {
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union() {
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frontRailSegment();
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translate(v = [railSideMountThickness, railFrontThickness, 0])
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rotate(a = [0, 0, 90])
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sideSupportSegment();
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translate(v = [0, railFrontThickness, 0]) {
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translate(v = [railSideMountThickness, 0, 0])
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railFeet();
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translate(v = [railSideMountThickness, 0, railTotalHeight-railFootThickness])
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railFeet();
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}
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}
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}
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module frontRailSegment() {
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difference() {
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cube(size = [frontFaceWidth, railFrontThickness, railTotalHeight]);
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for (i = [1:numRailScrews]) {
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translate(v = [railScrewHoleToOuterEdge, railFrontThickness / 2, i * screwDiff + railFootThickness])
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rotate(a = [90, 0, 0])
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hexNutPocket_N(mainRailScrewType);
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}
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}
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}
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module sideSupportSegment() {
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difference() {
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cube(size = [sideSupportDepth, railSideMountThickness, railTotalHeight]);
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for (i = [1:numRailScrews]) {
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translate(v = [frontScrewSpacing, railFrontThickness/2, i*screwDiff+railFootThickness])
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rotate(a = [90, 0, 0])
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cylinder(r = screwRadiusSlacked(mainRailSideMountScrewType), h = inf10, $fn = 32);
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}
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}
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}
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module railFeet() {
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difference() {
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cube(size = [frontFaceWidth - railSideMountThickness, sideSupportDepth, railFootThickness]);
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translate(v = [5, 4, 0])
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cylinder(r = screwRadiusSlacked(rackFrameScrewType), h = inf10, $fn = 32);
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}
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}
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}
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module railFeetSlot_N() {
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slotSlack = 0.2;
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union() {
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translate(v=[-slotSlack/2, -slotSlack/2,0])
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cube(size = [railTotalWidth + slotSlack, railTotalDepth + slotSlack, railFootThickness]);
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translate(v = [railSideMountThickness + 5, railFrontThickness + 4 , -m3HeatSetInsertSlotHeightSlacked])
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heatSetInsertSlot_N(rackFrameScrewType);
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}
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}
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