Open-Source Extruded Profile systems are a mature breed these days. With Openbuilds, Makerslide, and Openbeam, we’ve got plenty of systems to choose from; and Amazon and Alibaba are coming in strong ...

We’ve often heard it said that springs come in in all shapes and sizes…except for the one you need. In light of this, the hardware hacker would do well to keep the tools and knowledge required to make ...

Machined springs from Helical Products Co. Inc., Santa Maria, Calif. (www.heli-cal.com), have features cut from a solid blank of material. Gears, cams, tangs, flanges, and threads all can be ...