I love that people are still designing sawhorses. For such a simple, basic item that's been around for centuries, you'd think that by now we'd have settled on a perfect one and stuck with it. But the fact that folks can continue to tweak, innovate and personalize a sawhorse design is a testament to our creativity as a species.

An unnamed high school woodshop teacher in New Mexico, who goes by the alias of "Woodshop Dude," calls his sawhorse design the Shopdog. The design criteria was: Easy and cheap to make, flexible in what it can hold, whether materials, clamps or tools, easy and quick to set up, and has to be able to fold flat to stow on the wall of his shop. Check it out in action:

Plans are available on his website for five bucks.