-Old crate of some kind
-2 picture hangers or some other suitable hanging hardware
-A couple of drywall anchors and screws (If you are mounting it on a drywalled wall)
-Wood glue (May not need it)
Let's get started!
Step 1: Gather Supplies and Remove the Bottom
Now, you want to as gently as possible pry off the bottom boards of your crate. I took a long flathead screwdriver and pried the boards up a tiny bit, and then slid the claw end of my hammer under and did the rest that way. Then just hammer the nails out from the pointed ends. Also, if you want to keep your shelf looking really vintage, try and keep 8 nails that aren't too bent and you can reuse them to nail your shelf planks in! I was extremely careful, but one of my boards still broke on one corner, so that's where the wood glue comes in handy. You're less likely to break your crate if it's not too old and is made of a harder wood. I think mine was made from cedar and is also very old, so the wood just started splitting very easily.
If yours does break, no big deal. Just use your wood glue sparingly (it's extremely strong and you don't need to put much on at all).
Step 2: Cut Off Any Excess Wood
They generally didn't make these crates to the highest standards either, so make sure at this point there aren't any rogue nails or staples coming out. If so, grab some pliers and take them out.
Step 3: Cut Your Bottom Boards and Drill a Few Holes
Then, grab your drill and make your holes. Since I was reusing nails and also nailing into extremely thin, old wood, I drilled small pilot holes into the sides of the boards for my nails. Another good trick to avoid splitting wood when you are driving a nail into it is to take the nail, put the head on the ground and give the pointed end a few light taps with the hammer before you drive it in.
Step 4: Nail/screw in Your Shelves
Step 5: Put on Your Hangers and Hang It Up!
Then just drill a couple of hole in the wall and drive in some drywall anchors. Then just put in the screws and hang it up!