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It. Specify wider holes for square, hexagonal etc. Shafts. ≥30 means "round, using current quality setting". Sphere_indents_faces = 16; knob_smoothness = 20; shaft_radius = 3.25; shaft_height = 13; shaft_smoothness = 20; // How much to cut off to create cutouts around the top to indicate direction? Pointer1 = 0; // [0:No, 1:Yes] TaperAngle=asin(KnobHeight / (sqrt(pow(KnobHeight, 2) pow(KnobMajorRadius-KnobMinorRadius,2)))) - 90; DivotRadius = KnobMinorRadius*.4; // Primary knob cylinder for (i=[0 : Knurls-1] rotate([0, 0, 90.

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