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Internal or external clock sources cycle between 0v and 5v max // gate out // round shaft hole // D shaft shape for shaft cutout // set screw hole's center over the base shape. Cylinder(r = 8, h = shafthole_height, $fn = shafthole_faces); // Adapt to a D-shaped shafthole if desired. Scale([engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3]) union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 -7.40505 6.86814 facet normal 4.328597e-001 7.575047e-001 4.886913e-001.

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