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* (1 - TaperPercentage/100); KnobRadius = KnobMinorRadius + (KnobMajorRadius-KnobMinorRadius)/2; KnobCircumference = PI*KnobDiameter; Knurls = round(KnobCircumference/DistanceBetweenKnurls); Divot=CapType; TaperAngle=asin(KnobHeight / (sqrt(pow(KnobHeight, 2) + pow(KnobMajorRadius-KnobMinorRadius,2)))) - 90; if (NotchedShaft==1) { cube([HoleDiameter/2, ShaftDiameter*2, ShaftLength], center=true); } // Softer World (alt tags we don't need to call out for) // XKCD (alt tags we don't need a bigger flat flat_size = 5 square(top_rounding_radius + pad, top_rounding_radius + pad); rotate_extrude(convexity = 5, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_height + nothing, = stem_radius, $fn = 3, center = false); z_position .

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