working on a simple filament extrusion tool the Multistruder. Started a Kickstarter for it check it out here :
Multistruder Kickstarter
Super simple but many different things to add a more user friendly approach to filament extrusion. Also super durable all metal construction.
multiple videos on kickstarter and my youtube. more info on the kickstarter and my website at www.thegreenengineers.com