33 lines
1.2 KiB
OpenSCAD
33 lines
1.2 KiB
OpenSCAD
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// This file is part of Cyclone PCB Factory: a 3D printable CNC machine for PCB manufacture
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// http://reprap.org/wiki/Cyclone_PCB_Factory
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// Author: Carlosgs (http://carlosgs.es)
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// License: Attribution - Share Alike - Creative Commons (http://creativecommons.org/licenses/by-sa/3.0/)
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include <MCAD/nuts_and_bolts.scad>
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module hole_for_screw(size=3,length=20,nutDepth=5,nutAddedLen=0,captiveLen=0,tolerance=0.5) {
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*translate([0,-length/2+nutDepth,0])
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rotate([90,0,0])
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hull() {
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translate([0,0,nutDepth])
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scale([1,1,0.01])
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nutHole(size=size, tolerance=tolerance, proj=-1);
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scale([1,1,0.01]) nutHole(size=size, tolerance=tolerance, proj=-1);
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}
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radius = METRIC_NUT_AC_WIDTHS[size]/2+tolerance;
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height = METRIC_NUT_THICKNESS[size]+tolerance;
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translate([0,-length/2+height+nutAddedLen+nutDepth-0.01,0])
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scale([1,(height+nutAddedLen)/height,1])
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rotate([90,0,0])
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hull() {
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nutHole(size=size, tolerance=tolerance, proj=-1);
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translate([0,captiveLen,0])
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nutHole(size=size, tolerance=tolerance, proj=-1);
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}
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translate([0,length/2-2.6,0])
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rotate([90,0,0])
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render() boltHole(size=size, length=length-2.6+0.5, tolerance=tolerance-0.1, proj=-1, $fn=40);
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}
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hole_for_screw(size=3,length=20,nutDepth=0,nutAddedLen=0,captiveLen=10);
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