T-handle organizer

Metric and Imperial T-handle sets: 2.5, 3, 4, 5, 6, 8, 10 mm and 1/8, 3/32, 7/64, 5/32, 3/16, 7/32, 1/4", 7 of each. The top piece is the download file, to make the bottom piece delete all the interior holes leaving just the 4 perimeter holes. At the corners use 1/4"-20 threaded rod with 4 washers and nuts per rod. Cut the 4 threaded rods to 6", a Dremel and a cutoff wheel or hacksaw will do the trick. Make the ends square, and chamfer the ends so the nut threads on the rod easily. Assemble th