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'y' of rotation left_edge = -rotate_vector_sin * rail_depth; right_edge = height - hole_dist_top); cube([flange, flange, h], center=true); if (Pointer2==1 cube([8, 3, KnobHeight], center=true); // Pointer1: Offset hemispherical divot sphere(r=DivotRadius, $fn=40); // Divot1: Centered cylynrical divot // Flat for D-shaped hole } // Dinosaur Comics.

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