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KnobMinorRadius*.4; // Primary knob cylinder for (i=[0 : RingMarkings-1] rotate([0, 0, 90 + sphere_indents_offset_angle + ((360 / sphere_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = stem_faces); // Widening part at the top to indicate direction? Pointer2 = 1; // [0:No, 1:Yes] // Do you want a large timer-knob style pointer? TimerKnob=0; // [0:No, 1:Yes] // Would you like a line (pointer) on the ~Env output.

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