Tri-Crank w/ 2020 Square Tube
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A Tri-Crank that Fits a 2020mm square shaft. Use with the LibreShred Lite series (20mm square shaft shredder)!
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Model information
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- Printables
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- License
- Creative Commons — Attribution — Noncommercial
A Simple 3D Printed 3-Lever Crank that Enables Torque Transfer on a 2020mm shaft (for the LibreShred Lite shredder series)
Print Settings: The Hub (center piece) should be printed at very strong print settings:
At least 12 perimeters
At least 15% infill
Of course, you can print it with less filament, but the strength will be compromised.
Additional Hardware
3x 2020mm extrusions (t-slot or tube works fine)
3x m5x30 screw and m5 ISO nut (standard m5 nut)
I used 2020mm square tubing with a thickness of 2 mm in my model. This spec was easy to drill the 5mm holes in.