3D printers aren’t cheap enough for most of us yet and even if you could justify the cost of the machine, what about the filament? The plastic cable that feeds 3D printers isn’t cheap, costing up to £50 per kilo. Thanks to an 83-year-old inventor, that is about to change.
Hugh Lyman won $40k for his Open Source plastic filament extruder that only costs around $250 to make and runs on super-cheap plastic pellets. Lyman created the machine after getting sick of paying through the nose for plastic filament to feed his 3D printer, so he did what any great inventor would do – create a cheaper alternative. He estimates that filament produced using his machine could cost as little as $5 per kilo.
The Lyman Filament Extruder II uses 3D printed parts, they’re available on Thingiverse now for you to download and create with your own printer. Enjoy the video below showing the simple and elegant machine in action. [wired]