Coffee Grinder Handle
Description
The shaft on my coffee grinder started to wear of due to the flat crank handle therefore I was looking for a crank handle replacement. I remixed an existing design of the rotary crank handle to improve upon its several shortcoming: 1. a metal screw is added to the knob 2. a teflon tube is mounted on the screw to minimize friction 2. contact surface area at the pentagonal shaft is maximized BOM: 1. truss head M4x30mm screw 2. M4 washer 3. M4 nut 4. teflon tube OD 4mm, ID 3mm, cut to 8mm length 5. 3d printed knob 6. 3d printed crank
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