Level 1: Stage 2

BIPYRAMID

What you need

3 octafold segments

(3 pairs of triangle segments).

Basic traits

Equilateral triangle faces: 6

Vertices:  5

Edges: 9

 

!

The triangular bipyramid (or dipyramid) is, as its name implies, two (bi-) pyramids combined. It is known as the Johnson solid number 12, or in short, J12.

© All rights reserved to Tamir Ashman.    www.octafold.com

(ISR) patent pending No. 221671 (US) patent pending No. 13/975689          

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