Lego Technic 3L Axle - Part #4519
myminifactory
I've been messing around with Lego Technic parts for a bit, and it got me thinking: could I 3D print my own Lego Technic parts? This is a 3-stud long axle that you can 3D print to replace part #4519. Note: Printing this piece can be tricky at first, so I recommend printing at 0.1mm layer height for the best fit. This design is an entry into the #FIXMYTOY MyMiniFactory design challenge.
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