Simple passive iPhone car craddle

This easy-to-print craddle fits perfectly on my mercedes E class W211 and CLK W208. It just "snaps" into the venting grills and can be installed and removed without any damage or tools.
It may fit to any make of car where. It also may fit to nearly any smartphone, just scale it it in X, Y or Z...

For the iphone it fits with or without case, the opening at the bottom allows even charging.