Encoder knob

Needed a small encoder knob to fit the Pikatea R26. I didn't have set screws to use the original knob from Pikatea, so I made this one to fit snugly around the shaft of the encoder. 

Made to fit rotary encoders with a flat side on the shaft, like these : here 

Print instructions : 

Print with the hole facing the build plate. 

Layer height : 0.2 mm

Perimeters : 3

Bottom and top layer : 3 

Infill : 10 - 15% (as you wish) 

Support : yes (used it inside to have no drooping inside the hole)