98 lines
2.7 KiB
OpenSCAD
98 lines
2.7 KiB
OpenSCAD
$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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//https://de.wikipedia.org/wiki/Durchgangsbohrung
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M4HoleDiam = 4.4;
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holedistance = 10;
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horizontalcenterholes = true;
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// calling main
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horizontal_angle_bracket();
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module horizontal_angle_bracket() {
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render() difference() {
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frame();
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holes();
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}
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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, 0, 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, 0, 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, 0], [vthickness, 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 = M4HoleDiam);
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} |