by richgain, published
This unusual mathematical shape has the topology of a doughnut but using only 7 faces and 14 edges. Each of the 7 faces shares an edge with every other face, proving that 7 colours are required for mapping on a toroid.
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Enabling cooling works reasonably if you set a minimum speed, but using natural PLA (which seems really prone to slumping) I still wasn't getting a good point.
I wound up using a small bit of "Freeze Spray" as the print got to the apex, which did a great job...the only drawback is it's not an automated process so you have to watch the print. :-D
Thanks for this thing!!!
After printing up several of these, I crafted it's dual the Csaszar polyhedron: http://www.thingiverse.com/thi...
...marked as a derivative of this thing, and my very first thing on thingiverse! :)
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