I saw this project a long time ago on Design*Sponge and have been wanting to try it ever since. So we finally got around to completing one door.
We started with this:
We bought trim at Home Depot and attached it to the door after sanding:
A few coats of black paint later... and BAM!
Remind me why I didn't do this sooner?? Only 8 more to go... oh and still need handles!