I cut the top board at a 22.5degree angle and attached the bottom half to the wall. Now I can remove the boxes and they mount again easily. I actually cut a board wide enough for 2 boxes to mount to the wall, then I cut the angle, then I cut the top piece in half to use for my 2 boxes.
Estimated Time Investment
An Hour or Two (0-2 Hours)
Recommended Skill Level
Starter Project