LOL! Do yourself a favour and forget this idea. Look here: http://www.pearl.de/a-PV8625-1122.shtml?query=freesculpt Fan, heater, extruder and nozzle - new for 50 Euro ... Btw. behind the wires you can see the white plastic parts of the extruder. This little asshole causes most of the problems. Probably I will order a milled alu-part from a small company near to me as substitute for the shitty capping.