Shapeways already has HP Jet Fusion printers (albeit not with the color printing abilities) that they'll print parts for you on-demand with for quite reasonable

Shapeways already has HP Jet Fusion printers (albeit not with the color printing abilities) that they'll print parts for you on-demand with for quite reasonable prices. It's not "next day" delivery, but it's not far off from how mail-order film photo developing/printing works. https://www.shapeways.com/materials/hp-jet-fusion https://www.shapeways.com/materials/hp-jet-fusion