File: Knob.stlName: KnobPLA Material: 10.64 grams ( 0.023 lbs) Infill = 11%Size: 42.57 mm (1.78) x 42.57 mm (1.78) x 16 mm (0.63")Resolution: 0.20mmLayers: 86 layers Rafts: Yes Supports: NoPrint Time: 1 hr 13 minFunction: This knob is can be attached to almost any round shaft. There is a hole and hex shape that allows for a small bolt and nut to squeeze onto the shaft. Use a scale to work with common shaft sizes (if printed 1:1 then is will fit a 5mm shaft):Scale mm inch0.638 3.1875 0.1250.800 4 0.1574803150.956 4.78125 0.18751.000 5 0.196850394