20x20 Corner Bracket and/or Feet
thingiverse
20x20 aluminum extrusion corner brackets and/or feet with recesses for M4 screws are designed to prevent scratching on wood topped work areas. While building a 3D printer enclosure, I grew tired of the 20x20 aluminum extrusion scraping up my wooden workspace. So, I decided to create detachable feet for the bottom that would also reinforce the corners. The brackets feature recesses for M4 screws, preventing them from scratching the wood and ensuring the weight of the enclosure remains on the flat surface. Additionally, this design provides a small gap at the bottom, allowing air to flow in while being drawn out through my fan/filter at the top. If necessary, I will model and print 'gap' fillers to limit the amount of air entering, but I don't anticipate it being required.
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