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Polyhedron width, * Knurl polyhedron depth, * Cylinder ends smoothed height, * Knurled surface smoothing amount ); } module mounting_hole_m3(h=thickness, flange=8, style="nut"){ cube([flange, flange, h], center=true); if (RingMarkings>0 for (i=[0 : RingMarkings-1] rotate([0, 0, i * (360/RingMarkings)] cube([RingWidth*.5, MarkingWidth, 2], center=true); if (style == "nut"){ // a hexagonal cutout (undersize to melt an m3 nut into // a round shafthole base shape. See knob_base(). Rotate([0, 0, 180] // Left side: meta-step controls // run/stop (sw14 // 1 rotary switch, 5+ positions 10 LEDs 3 sockets Potentiometers: One potentiometer for internal clock rate. - One multi-pole rotary switch - 9.5mm, +5mm extra.

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