72 "Dimpled Cuboctahedra" folded from NYC metrocards

Description

This dimpled cuboctahedron is a traditional business card origami pattern that works even better using ultra-strong nylon MetroCards. The polyhedron has 30 sides, so it is also known as a triacontahedron. It can also be visualized as a cube with the corners poked in. The dimpled cuboctahedron is approximately a cubohemioctahedron, which is a nonorientable one-sided surface.
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