The Box Beam Legs
I have designed a one-piece leg-ankle assembly built as a box-beam structure. There's a clear center section down the middle of the leg to route wiring between the body, battery boxes and feet. It's made from a double layer of .125 styrene with an internal eggcrate construction style box beam for strength. Not shown in any of the 3d drawings is the wrap of .040 styrene that goes around the edge of the legs. There are two layers on the curved top of the leg where it gets the most abuse (and has the least support) and one layer everywhere else for cosmetic reasons.![]() |
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