File: Knob.stl Name: Knob PLA 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: 0.20mm Layers: 86 layers Rafts: Yes Supports: No Print Time: 1 hr 13 min Function: 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 inch 0.638 3.1875 0.125 0.800 4 0.157480315 0.956 4.78125 0.1875 1.000 5 0.196850394 1.200 6 0.236220472 1.063 6.375 0.25 1.594 7.96875 0.3125 1.600 8 0.31496063