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0.6 - 3mm. drills sharpener (wishbon)
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As you know, small drills sharpening is a problem for hobby electronics. I tried to solve this problem.
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As you know, small drills sharpening is a problem for hobby electronics. I tried to solve this problem. Here is my design for this device, named "wishbon".
In addition to plastic parts, it uses:
- 2 bearings (D=22, d=6, B=6...8mm). I used them from old hand bag
- 2 inserts of 0.5mm steel plates.
- M3 bolts and nuts
You should print all parts and do steel inserts with 1...1,5 mm. groove on the middle line. Then glue them to both halves of the plastic case. Then assemble all plastik parts with bearings and fix by bolts and nuts.