Screwy Octahedron1


Screwy Octahedron Design and Copyright : George Bell (2009).

A5/202
O . O| O .
 . O |. O .
B5/206 C5/206
 . O |. O .
O . O| O .
D4/25
Pieces 4 B-C are congruent. Flexible slightly.
Selection random
Solutions 1 / 1 Rotation required.

Oct 1, 2009 by k16@chiba.email.ne.jp