Quote:
Originally Posted by ablatner
118 has cool custom wheels. They 3D print the hubs, but then mold the tread themselves. They originally 3D printed the tread, then made the appropriate mold based off that.
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Almost. We actually mold our two piece hubs out of polyurethane plastic. The hub is designed to clamp our custom treads, which are molded from a concoction of polyurethane rubbers. A positive of each element is grown on the 3D printer and we make the molds by pouring silicon over the grown part. We can then make unlimited silicon molds from a single grown part.