It is hard to find polyhedra which contain regular heptagons, but that simply makes the search more challenging, and therefore more fun. This polyhedron features six regular heptagons, and was created with Stella 4d, software available here.
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RobertLovesPi.net 
Interesting shape, Robert.
Leslie
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In Stella 4D how did you make this? I love heptagons and would like to make one for myself. Thank you,
Zach
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I wish I could remember, but that was over three months ago, and I’ve forgotten. I might have done something involving attaching heptagonal pyramids to the faces of a cube, or perhaps the vertices of an octahedron, taking the convex hull, then using “try to make faces regular” — but that’s a guess, nothing more.
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Thank you I will try it.
Zach
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