David 3D Printer uses granules instead of filament…
Most FDM (extrusion) based 3D printers use material in filament form as a cheaper way feed and extrude plastic. This filament is made from granules, but the problem is that turning these granules into filament of a uniform thickness (+ or - 0.02mm) approximately triples the price for good filament.
The David 3D printer cuts out this middleman making the material a lot cheaper. It also means that you don’t have to worry about the quality of the material as much, or if it is a uniform thickness with no bubbles. I’ve used cheap filament and its a complete waste of money.
Earlybird prices start at $2,745 (£1,645 + shipping + import tax), so it’s a not the cheapest but is probably the next milestone in consumer grade 3D printing technology as its one less thing to go wrong in FDM printers.