Door Prop for Pets

I designed this as a way to prop a couple doors in my house just slightly open as a way to keep my pets from getting locked in or out of certain rooms. This was a much better option than leaving something on the floor between the door and wall and some of the other options out there.

This will work on a door that swings either direction. It will reliably hold the door open from about 2 inches to open at about 80 degrees. The default size is for my doors but could be adjusted by scale to fit