Knob Anida Technologies

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             0.157
0.956 4.78125  0.1875
1.000 5             0.1968
1.200 6             0.236
1.063 6.375      0.25