2020 Rail or 3/4" Square tube Feet/base
thingiverse
Basic 2020 extrusion foot and base design. Using .750" square tube for an enclosure, these feet will provide support. The 2020 extrusion should fit as well, offering two models: one with 3.17mm (1/8") and a 4.75mm version for 3/16" bolt or pop rivets in my case. I recommend testing the opening with a small print to ensure a precise fit on your rail and tubing. The design is intended for close tolerance, so you may need to scale up or down by a few percent.
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