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45] cube([2, 2, KnobHeight+.001], center=true); 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 (RingMarkings>0 for (i=[0 : Knurls-1] rotate([0, 0, i * (360/RingMarkings)] cube([RingWidth*.5, MarkingWidth, 2], center=true); cube([8, 3, KnobHeight], center=true); // Flat for D-shaped hole // handle + rest of body // knurled handle (requires https://www.thingiverse.com/thing:32122 //knurled_cyl( clf_partHeight, clf_handle_diameter, 2, 2, 2, true, 10 ); // the larger board underneath the smaller board. // margins from edges h_margin = hole_dist_side + thickness; right_rib_x = width_mm - h_margin; input_column = h_margin; col_right = width_mm - col_right; // column from edge plus hole radius // mounting holes distance 33.3mm 15-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.84mm pin-PCB-offset 9.4mm 25-pin D-Sub.

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