C-13. PLYWOOD SHEET.
Fabricate from 1/2 in. (13 mm) thick plywood stock. Using a saw, cut to dimensions shown. Using a file or
sandpaper, remove all rough edges.
C-14. STEEL TUBE.
Fabricate from 1/4 in. (6 mm) thick steel square tube stock. Using a hacksaw, cut a 24 in. (61 cm) length piece of
tube. File off rough edges.