"I'm leaving you because of your gross lightbulbs." Has this ever happened to you? "We could have saved your parents from this gruesome death, if it weren't for those damn lightbulbs." Or this? "My eyes!!! What's wrong with this place!!! Who's light bulbs are those!!!"

3D printing is so easy. Everybody knows you have a 3D printer because you won't shut up about it. Print some covers to your lightbulb problems today.

"Nice light fixtures. Congratulations! You get the promotion." That's more like it.