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This demanding puzzle was René Dawir’s exchange puzzle from the IPP30 (International Puzzle Party) hosted in Osaka & Hakone, Japan in August of 2010.

The puzzle contains 6 pieces. Each piece is made of 2 tetrahexes which can rotate around an axis.
The goal: Disassemble the twinform and then assemble the 6 pieces into the twinform shape as pictured on the insert.
A twinform is a shape with 2 identical layers (each layer must have the same shape).

Additional twinforms can be assembled with 2 pieces (easy) to 6 pieces (difficult).

Designed and made by: Marcel Gillen

Object Take apart the pieces and put together into a twinform shape.
Difficulty Level 8 – Demanding
Brand Marcel Gillen
Type More Wood Puzzles
Dimensions 8.8 cm x 6.8 cm x 1.7 cm / 3.5 in x 2.7 in x 0.7 in
Packaging Plastic ziploc bag