Shared by Fulcrum Designs on Printables:
I made a goal of designing a functional, fully 3D-printed caster that can swivel and lock the wheel. The wheel diameter is 4″ so it’s quite large. Although it actually functions pretty well, it won’t be able to roll under much load. I did try it out by mounting 4 of these to a table which I had my Ryobi planer mounted to (pretty heavy) and they held up in static load but due to the soft TPU tire, they couldn’t roll very well with that much load and ended up breaking. The locking mechanism requires that the tire be soft but maybe someday I’ll improve the design. For now, I wanted to get this out there. Maybe it will inspire someone to build off of it and make it better or maybe someone will find it useful for lighter loads.
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