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{ polygon(railProfilePoints); } module mounting_hole_m3(h=thickness, flange=8, style="nut"){ cube([flange, flange, h], center=true); if (style == "nut"){ // a round shafthole base shape. See knob_base(). Rotate([0, 0, i * (360/RingMarkings)] cube([RingWidth*.5, MarkingWidth, 2], center=true); cube([8, 3, KnobHeight], center=true); if (RingWidth>0 cylinder(r1=KnobMajorRadius + RingWidth, r2=KnobMinorRadius, h=RingThickness, $fn=50, center=true); if (style == "nut"){ } module x2_7seg_14_22mm_display() { cube([25, 19.25, thickness]); } module make_surface(filename, h) { for (a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]) linear_extrude(height=a/h, convexity=10) projection(cut = true) surface(filename, center=true); } // Softer World (alt tags we don't need to call out for) elseif (strpos($article['content'], 'invisiblebread.com/2') !== FALSE) { if (parse_url($rel, PHP_URL_SCHEME) != '' || substr($rel, 0, 2) == '//') { if ($img->getAttribute('title')) { // elseif (strpos(strtolower($article['link.

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