smartphone stand (iPad mini, iPhone, others)

A simple iPhone (4/5/6) and iPad-mini stand. It's the most simple and effective I could make. Other designs I've found in thingiverse are either too cumbersome for my Tinyboy (mini fabrikator) or not good enough (phone/ipad mini tips over). It works for the old iPad 1 as well (landscape, not upright), and for the iPhone 4/4s, with/without cover, see photos. O, it works with any smartphone I guess...

The size is 79mm, so it just fits in a Tinyboy. The angle makes sure that an upright iPad mini