Twisted
design: 2008
fabrication requested: 2013
Three identical cards with L-shape slit will form a shape like this.

You can make it flat by pushing a certain point on both sides (vice versa).

We have made this puzzle as a DIY kit.

Twisted
designed by Kohfuh Satoh, 2008
released from kofth, 2013
Available in some shops below:
- Torito http://www.torito.jp/
- Puzzlein (by Osho) http://www.puzzlein.com/
- Puzzlab (by Edi Nagata) http://puzzlab.com/
- TOIQUE http://www.toique.com/
For more details, please contact these shops directly.