Octahemioctahedron Origami Octahedron

Origami Octahemioctahedron

This is made from Fujimoto's design.

The octahemioctahedron  is a nonconvex uniform polyhedron, indexed as U₃. It has 12 faces (8 triangles and 4 hexagons), 24 edges and 12 vertices. Its vertex figure is a crossed quadrilateral.