Take off the switch plate and you can see which side of the stud the box is mounted on by spotting the screws.
How to hang a box on a wall.
When you ve tied the ends of the thread securely.
Get an approximate weight of the picture you re trying to hang.
This removes the dust and any grease.
Loosen the top threads and temporarily tape them to the box as this will make it easier to keep them loose as well as tie the threads strongly.
Remove the back liner from the adhesive strip and apply it directly to the wall where you want to hang your picture.
Determine the weight of the shadow box.
Then i wipe the parts down with acetone and hang them in the paint booth.
Weigh yourself then step on the scale while holding the shadow box.
Buy either drywall anchors or masonry anchors depending on the type of wall that you have that are rated to support this weight.
Use adhesive strips and utility hooks designed to hold the size of your frame.
Subtracting the first figure from the second will give you the weight of the shadow box.
You can tilt the hook of the hanger 90deg from the side to the back if you want to hang the end product by the window.
Remember to measure so that your tissue box fits in the tray perfectly.
You can leave the hook untouched if you just want to hang the tissue box on the wall.
Clean the surface of your wall with a 1 1 solution of water and rubbing alcohol.
Now hang your box on the wall and enjoy new wall shelves.
Most wall framings set studs every 16 inches so you should be okay to measure from.