Single Polyhedron Symmetric Spheroform Tetrahedron

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3636287.

Spheroform with Tetrahedral Symmetry

Inspired by Angus one Friday night Ultimate Solids of Constant Width. I thought I would combine the ideas of tetrahedral symmetry and a low poly/fast OpenSCAD implementation.

Third attempt following OpenSCAD speed optimisation to it's ultimate conclusion - a single polyhedron. Not sure how I feel about that...

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