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Pictures of Concave Pyramids

	Pentagrammic Pyramid (low) Number of faces: 6 Number of edges: 10 Number of vertices: 6
	Pentagonal Star Pyramid Number of faces: 11 Number of edges: 20 Number of vertices: 11
	Pentagonal Star Pyramid (irragular) Number of faces: 11 Number of edges: 20 Number of vertices: 11
	Hexagonal Star Pyramid Number of faces: 13 Number of edges: 24 Number of vertices: 13
	Tetragonal Star Number of faces: 9 Number of edges: 16 Number of vertices: 9
	Octagonal Star Pyramid Number of faces: 17 Number of edges: 32 Number of vertices: 17
	Asymmetric Pentagrammic Pyramid Number of faces: 6 Number of edges: 10 Number of vertices: 6
	Hexagrammic Pyramid Number of faces: 7 Number of edges: 12 Number of vertices: 7

Concave Pyramids
hexagrammic pyramid (low)
Pentagrammic pyramid (high)

Paper models:
pyramids
truncated pyramids
dipyramids
Other pyramids

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