Császár polyhedron

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The Császár polyhedron shares some similarities with the tetrahedron, as it also boasts no diagonals - every line connecting two vertices is already an edge. With a genus of 1, this polyhedron features a distinctive hole running through its center. It is comprised of 7 vertices and 14 triangular faces. Printing this model can be particularly demanding due to the presence of several sharp edges, requiring great care and precision. I successfully printed it on a Form 2 using Clear V2 resin.