RepRapBCN has just announced a new Paste Extruder that they are selling for 110 Euro. They are currently taking pre-orders for the extruder, which will begin shipping in October. It is built for the BCN3D+ 3D Printer, but it can be modified to work with other 3D printers as well. What do you guys think? Do you think you could easily modify it to work with other 3D printers? Read more about this at http://3dprint.com/10483/reprapbcn-paste-extruder/