"; // only keep everything starting at the top of the round part of the stem. [mm] // Height of module (mm) - Would not change this if you want the ring. RingWidth = 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, i * (360/RingMarkings)] cube([RingWidth*.5, MarkingWidth, 2], center=true); if (RingWidth>0 cylinder(r1=KnobMajorRadius + RingWidth, r2=KnobMinorRadius, h=RingThickness, $fn=50, center=true); if (Pointer2==1 cube([8, 3, KnobHeight], center=true); // Pointer1: Offset hemispherical divot // Divot1: Centered cylynrical divot // Divot1: Centered cylynrical divot // Divot1: Centered cylynrical divot // Divot1: Centered cylynrical divot // Divot1: Centered cylynrical divot // Hole for shaft cutout // set the quantity, quality, size, and adjust the placement // these are.