A low cost 3D printer with basic tools. I love the tutorial for making this 3d printer. The best one I've seen so far with minimal tools.
USB Rechargeable Mini Solder Fume Extractor Tutorial Modern upgrade to a classic maker project
Excellent tutorial to make a diy wind turbine out of an old truck transmission. Great energy saving craft for a homesteader. By PioneerSettler.com at http://pioneersettler.com/diy-wind-turbine-generators-living-off-the-grid