Evolution Door Opens and Closes Like Folded Paper.
Klemens Torggler’s door is an invention based on rotating squares, The special construction makes it possible to move the door sideways without the use of tracks. This technical trick opens up new applications for the door.
The most recent system. Compared to all systems before, this system makes it possible to place the squares one upon the other in the final positions of the door.
Evolution Door Opens and Closes Like Folded Paper: