Laying out the design for his Wave holster clip using blue layout fluid and a C-Thru ruler.

In this Tested: One Day Build video, with Adam Savage and Will Smith, Adam decides to upgrade one of his Leatherman Wave cases with a belt-borne, one-finger-access clip holster. He decides to use a scrap piece of aluminum for the build. He also plans to upgrade his previous design of... Read more »

finished disc

Make this spinning, swirling, self-contained liquid disc and mount it in your table for a gorgeous centerpiece. Read more »


This clockwork carpenter is an automaton, which is a self-operating machine that can be made out of different materials. Evidence of them dates back hundreds of years, and I’m always excited when I see a new one pop up. I’ve mostly seen them made out of paper, but it’s a real... Read more »

Make a Floating Pool Noodle Beverage Boat

Have a plastic tub and a pool noodle? Your day at the beach/pool/lake just got a whole lot better with this floating pool noodle beverage boat! The problem with open water? Nowhere to put that much-needed beverage. The solution: Build your booze (and soda and juice) a boat! (Obviously.) Planning... Read more »

molten glass

Micron 3DP, a maker of extruders for 3D printing, has been exploring an exciting new area: 3D Printing with glass. This exploration seems like a somewhat natural transition for the company. The “hot end” of the 3D printer is the part of the extruder assembly that literally melts the plastic... Read more »

3 For Life reminds adults what it's like to be kids. It's also fun for kids. Read more »


This project is part 2 in the building a robot arm tutorial. In the first part, I showed how to design the robot arm. In part one of making a robot arm, we explored a lot of things like 3D computer aided drafting software, or CAD for short, and 3D... Read more »