Ultimaker 2-3 Extruder Lever Arm - Screw Together Upgrade
by countspatula
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***** As of 2026 all my files have been moved to Printables - find me there - https://www.printables.com/@CwthDynamics_4181414 *****
My Ultimaker 2+ started jamming a ton and I discovered that the extruder lever had warped at the bearing mounting point causing it to bind.
Using the UM open source files I modded the lever arm to assemble with screws - making everything much stronger.
I used ABS with higher infill. Use M3 x 10 flat screws or #4 x 3/8".
Prints without supports.
This should wor
My Ultimaker 2+ started jamming a ton and I discovered that the extruder lever had warped at the bearing mounting point causing it to bind.
Using the UM open source files I modded the lever arm to assemble with screws - making everything much stronger.
I used ABS with higher infill. Use M3 x 10 flat screws or #4 x 3/8".
Prints without supports.
This should wor
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