I actually have access to such a printer - but it's massive and can't really print objects smaller than a few inches. We've tried scaling the extruder down, but

I actually have access to such a printer - but it's massive and can't really print objects smaller than a few inches. We've tried scaling the extruder down, but it seems that pellet/flake extruders just don't have the control and homogeneity required for high-resolution printing at small scales. Here's some media coverage of our device: http://www.economist.com/news/science-and-technology/21565577-new-manufacturing-technique-could-help-poor-countries-well-rich-ones http://www.economist.com/news/science-and-technology/2156557...