Firefighter Door Chock V1

A door chock design I remixed from schlem's original door chock design.

Here is schlem's original design:
http://www.thingiverse.com/thing:93859

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/5EoTQBYERzD

If you have any design ideas or suggestions, I'd love to hear them so I can refine this.