92 lines
2.6 KiB
OpenSCAD
92 lines
2.6 KiB
OpenSCAD
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$fn=33;
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height=40;
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hwidth=40;
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thickness=5;
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vthickness=20;
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vwidth=40.3;
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vheight=80;
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M3HoleDiam=3.4;
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holedistance=10;
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horizontalcenterholes=true;
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difference() {
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frame();
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holes();
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}
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module frame(){
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// left tile
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cube([hwidth,thickness,height]);
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translate([0,thickness,0]) sidetriangle();
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translate([0,thickness,height - thickness]) sidetriangle();
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// left to back tile
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translate([hwidth,0,0]) cube([thickness, vthickness, height]);
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// left triangle
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translate([hwidth,thickness,height]) rotate([90, 0, 90]) middletriangle();
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// covers upper edge of above
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translate([hwidth, vthickness, 0]) cube([vwidth + thickness * 2, thickness, vheight]);
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// right to back tile
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translate([hwidth + vwidth + thickness,0,0]) cube([thickness, vthickness, height]);
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// right triangle
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translate([hwidth + vwidth + thickness,thickness,height]) rotate([90, 0, 90]) middletriangle();
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// right tile
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translate([hwidth + vwidth + thickness * 2, 0, 0]) cube([hwidth,thickness,height]);
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translate([hwidth * 2 + vwidth + thickness * 2,thickness,thickness]) rotate([0, 180,0 ]) sidetriangle();
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translate([hwidth * 2 + vwidth + thickness * 2,thickness,height]) rotate([0, 180,0 ]) sidetriangle();
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}
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module middletriangle(){
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linear_extrude(thickness) polygon([[0,0], [vthickness-thickness, 0], [vthickness-thickness, vheight-height]]);
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}
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module sidetriangle() {
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linear_extrude(5) polygon([[0,0], [hwidth, 0], [hwidth, vthickness]]);
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}
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module holes() {
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// left holes
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leftholes();
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// right holes
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translate([hwidth + vwidth + thickness * 2,0,0]) leftholes();
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// center holes
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translate([hwidth + thickness,vthickness,0]) centerholes();
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}
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module leftholes(){
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translate([holedistance, 0, holedistance]) XM3Hole();
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translate([hwidth - holedistance, 0, holedistance]) XM3Hole();
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translate([holedistance, 0, height - holedistance]) XM3Hole();
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translate([hwidth - holedistance, 0, height - holedistance]) XM3Hole();
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}
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module centerholes() {
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translate([holedistance, 0, holedistance]) XM3Hole();
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translate([vwidth - holedistance, 0, holedistance]) XM3Hole();
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translate([holedistance, 0, vheight - holedistance]) XM3Hole();
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translate([vwidth - holedistance, 0, vheight - holedistance]) XM3Hole();
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if(horizontalcenterholes){
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// center holes
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translate([vwidth - holedistance, 0, vheight / 2]) XM3Hole();
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translate([holedistance, 0, vheight / 2]) XM3Hole();
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}
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}
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module XM3Hole() {
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rotate([270,0,0])cylinder(h=thickness, d=M3HoleDiam);
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}
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