Cube made from 3 identical pieces. "Trisection of a cube" or "Helicoid Cube"
thingiverse
I came across this video on YouTube at https://www.youtube.com/watch?v=fD-zIUYhHps and thought it would be an engaging challenge to reverse-engineer how it works and attempt to replicate it in SolidWorks. It took some time, but I finally cracked the code. Currently, I haven't printed this yet as I'm waiting for a replacement print bed to arrive. I anticipate no issues, so it should be safe to print. Three of these will assemble into a 4-inch cube, which is quite large; you might want to scale it down before printing.
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