Generic Slotted Base

A funny thing happened on the way to constructing a jewelry holder for my wife. I need to be able to hold a piece of acrylic at a certain angle.

This thing is a general purpose slotted holder. If you use a pair of these, you can slip something into the slot and you get it held at an angle.

The OpenScad is parametric, so you can change the angle of repose, or the thickness of the base, or the slot gap. Then I thought, 'hay, you can use this as a generic phone holder, or iPad holder, or p