Generic Stand (Tablets, cell phones, e-book readers)

At XMas day i was searching for a Stand for my ipad. I was looking for a small and generic stand, not only for my ipad, but for my cell phone too... So, after searching a bit, i could find one that fit all my needs. So i´ve designed this one. :)
There´s 3 versions...

V01 - Not optimized for printing time. It tooks about 120min using 20% infill and 70mm/s (0.3) - This is a Robust version.
V02 - A lighter version, that uses less material and don´t cover the side buttons at the b