The file 'Door Stop Upgrade 3D Printer Model' is (stl) file type, size is 284.6KB.
Have you ever had this happen to you?
http://www.thingiverse.com/thing:636350
It did for me. I designed this to prevent future door damage. By increasing the surface area of the door contact, the force on the door is significantly reduced.
DoorStop1.stl | 838.9KB |