You know my brothers skills from the DIY Drawer Cabinet.
Now, he has send me a new inspiration he got from the web:
The TETRIS Bookshelf!
Basically, each shelf segment is autonomous and you can postition it just as simple as in the game Tetris. You can basically change the shape of your shelf daily. How call is that?!?! I mean nobody would really change it daily, but occasionally if the need for change exists!
Where did you see this Steffen?
Anyway, below are some pictures!