Some woodworking tools ... milling one face and making one perpendicular flat edge suitable for clean butt joints. That’s why ...

While the hammer joint seems mainly aimed at birch plywood, [Jiskar] mentions testing it in other materials, such as bamboo, MDF, and even acrylic, although wood seems to be the best application.

Since both boards lie flat on the table saw ... trimming and straightening the joint edges enough to narrow the gaps. Then, get several pieces of scrap wood and line one side of each piece with ...

Twist drill A standard drill bit with two twisted, fluted cutting edges to remove material Wood Flat drill Has a flat face, a pin at the bottom, and two cutting edges. Allows for a flat blind hole ...