Parametric Potentiometer Knob

I designed a Parametric knob for potentiometers in fusion 360 and then i saw this contest coming up. so i dove into openscad and since i never worked with openscad before it was blood, sweat and a lot of tears. this came out eventually.i hope you can put my design to good use…. Adjustments you can make:heightwidthsmoothnessflatted shaft (yes/no)adjust the flatted face placementwidth of the shaftset screw (yes/no)size of the screwplacement of the set screwhollow space underneath (yes/no)depth of