2x4's are cheap and easy to work with, so the idea that you could make your own coffee table from a single piece of wood is pretty appealing. Instructables user StephanPi1 shows you how.
Aside from the 2x4, he just uses wood glue and four screws alongside a slew of power tools. The end result is a sturdy, simple coffee table that's also a bit of a technical marvel considering how few materials are needed to make it. Head over to Instructables for the full guide for doing so.
Coffee Table Made from a Single 2x4 [Instructables]