Push and Store Cabinet by Chung-Tang Ho is an unique cabinet with no door. It has a solid face filled with thousands of small part that you can push backward to get a place to store your books or other stuffs in random position.
“Chung-Tang Ho created a cabinet that changes shape during use, a solid volume that opens up when objects are stored within it. The cabinet is in fact a sculpture in the round you and your objects can participate in.”
The only downside is that the cabinet will be a heavy furniture to lift since it’s fully filled with the small wood sticks, and you can’t stuff in big stuffs other than books as the inner structure might collapsed.