37 Free DIY Wooden Box Plans - DIY & Crafts
By cutting the plywood into 5 parts, 2 side panels, a front panel, and 2 end caps, you can create a sturdy box for your cards. The initial step is to mark the panels with straight lines (6 cm) from the edge and saw them with a sharp handsaw. After that's done, assemble the box by screwing all 4 pieces together.