Lego Technic 4L Axle - Part #3705
myminifactory
I've dabbled with Lego Technic components for some time now and have pondered if it's feasible to 3D print my own Lego Technic parts. This 4-stud long axle can be 3D printed, serving as a substitute for part #3705. Printing this component may require some trial and error; I recommend starting with a layer height of 0.1mm to achieve the best fit.
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