How to Make a Coffin: 13 Steps (with Pictures) - wikiHow
· Gather your materials and tools to build the coffin. Buy a roll of shelf paper, 3 3 ⁄ 4 in (1.9 cm) 4 ft × 8 ft (1.2 m × 2.4 m) sheets of plywood, 1.5 in (3.8 cm) wood screws, and wood glue at a home improvement center. Make sure you have a circular saw, an electric drill, a pencil, and a measuring tape to measure and cut out the pieces and put them together.