How 3D printing saves time and money

It's been close to a year and a half since I purchased my current 3D printer (it cost about $1200 at the time, but you can pick one up for about $950 today), and I've lost track of how many times over it has paid for itself, but here's a list of some ways my printer has paid for itself around the house:

Ceiling fan with 3D printed globe retainer clips