When I stumbled across this video by,Designed by SmashleyI knew I had found my solution.
This amazing DIY project looks amazing in my room and turned out even nice than I expected it to.
you could use bungee cords to hold the two pieces together as well.

Designed by Smashley via YouTube video.
Step Two
Using gorilla wood glue, attach your slats of wood to the plywood.
and place the mirrors into the slats to measure out the distance.

Repeat this process as you move down the plywood.
Then repeat the process with the vertical slats.
Go back and reinforce all the slats with nails.

Spray paint the slats with your desired color.
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Step Four
Using the gorilla glue, attach the mirrors to the grid.
The video uses 1-inch by 1-inch mirrors.