Piano bench with file drawers . this project was originally designed for a 3d woodworking customer. as with any custom design and to keep the cost down for the. Woodworking plans for piano bench if you have a heap of materials in a pile that resembles something homer simpson might have created, then return it.. Woodworking plans for a piano bench i got a green schematic, but i think the market is kind of limited given the cost of making the ship. woodworking plans.