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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); // Pointer1: Offset hemispherical divot sphere(r=DivotRadius, $fn=40); // Divot1: Centered cylynrical divot // Hole for shaft cutout // set screw hole's center over the bottom of box [right_edge, -extra_depth], // top to bottom of the pots unneeded for expected pot effect direction). 007cc05932 Go to file Notes on needed revisions from revision 1: Corrected: Fix silkscreen misalignment for lower three knobs Corrected: Shifted C5 so one.

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