two pieces of 3/4 ply wood, a drill, router table, 1/4 round router bit, clamps, drill set, glue, two inch screws, a counter set drill, measuring tape, a pencil all found a techshop.
Step 1: Line Up Plywood to Edge
LIne up plywood to the edge and mark it for referance
Step 2: Route Edges
Put routing bit in to table router adjust to desired height. Then route desired edges of ply wood.
Step 3: Clamp and Drill
Clap two pieces of plywood and drill four holes on the edge where screws will be going in after
Step 4: Apply Glue
apply glue to edge that is going to get screwed together
Step 5: Counter Sink Holes
counter sink the holes that were drilled
Step 6: Screw Down the Plywood
screw two pieces of plywood together
Step 7: Make Two Holes for Hanging
Drill two holes for hanging support
Step 8: Finished Shelf
all done. hang where ever you want. and have fun with it.