2020 Extrusion Drill Guide
thingiverse
Sometimes you need to bore a hole through a 20x20 aluminum extrusion and you don't own a drill press. Print this out and you will get a good enough hole in the right spot. The Fusion 360 file is available here if you want to adjust the hole size, this is an M8 hole. https://a360.co/3dRYb3x Print 100% infill because it's a drill guide after all. I used PET but something firmer might be better. Good luck.
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