Twist-Key Burr


Twist-Key Burr The designer is unknown.

A B C
D E F
Pieces 6 D-E are congruent.
Length 6+
Holes 0
Solutions 2 / 2
Moves 2 Rotation required.
thankful to Theo Geerinck

May 10, 2018 by k16@chiba.email.ne.jp