Computer Fan Fume Extractor

Phil Levchenko, who shared his DIY power supply a couple weeks ago, has a new project:

I’ve got a new tool on my workbench – portable fume extractor. It’s 92mm fan that works from 4 AA batteries and has a variable speed. Mobility is a really good thing, especially when you’ve got a tons of equipment and cables on a bench you can drown in.