iPhone minimal horizontal and vertical stand

I designed this stand to hold an iPhone 6 vertically at 30 degrees, or horizontally at either 30 or 45 degrees. It prints quickly, and on small 3D printers.

In portrait orientation I don't need to lean the phone backwards very far, and as a tradeoff I was able to cut the overall size of the stand down considerably. The CoG is roughly 12mm from the stand edge in portrait orientation. (worst case)

The base has a slight concave curve to improve stability across various surfaces.

This sta