Corner clamps for 2020 extrusion blind joints

prusaprinters

<p>AKA “I'm too cheap to buy a proper machinist's square”</p><p>This model is a very small change from <a href="https://www.thingiverse.com/thing:1317732">Elproducts' “Corner Clamp Braces/Brackets for Woodworking”</a>. &nbsp;I added holes through the outer clamp at 10mm from the point of the 90º corner. &nbsp;That puts them in the right spot to sneak a hex wrench through to screw down blind corners in 2020 extrusions. &nbsp;</p><p>These made squaring up my Voron pretty simple and cost a lot less than a machinist square. &nbsp;Sure, they're nowhere near as accurate, but they're good enough garden tools to build my space shuttle… &nbsp;I laid everything down on a few layers of glass plate for flatness, used regular wood working clamps to sandwich the extrusions between these corner clamps, and was able to screw everything down nice &amp; square.</p><p>I printed in PLA, but they should work in anything but TPU… &nbsp;No supports needed. &nbsp;You might want to use extra perimeters and higher infill for maximum stiffness. &nbsp;I used 4 shells, 40% infill.</p><p>Original was released under CC-BY-NC. &nbsp;I'd prefer this be under CC-BY-NC-SA, which I believe to be a compatible change to the original license. &nbsp;If you prefer not to share alike, you can always download the original and make the changes yourself.</p>