two pieces of 3/4 ply one piece of 1/2 ply same color of sofa leg your going to duplicate
measuring tape, glue, a pencil and clamps, table saw, miter saw, belt sander.
Step 1: making your lines
first you will need to measure existing legs width, and then transfer measurement onto 3/4 ply but add a quarter on in inch more. Now do the same on the 1/2 inch ply