A handy upgrade tool for your Ultimaker extruder gearwheel. This handy grip makes it easy to extrude by hand when changing your filament, or if you want to do some pre-extrusion just before starting a print.Hope you like it! Elwin & designshop www.en-designshop.comPrint this part with your Ultimaker (we used PLA).Layerheight: 0.3mm Walls 0.8mm Top/Bottom 1.2mm Fill density of 20% Nozzle 0,4mmJust print it, pop it off the bed and onto your extruder nut, make sure you remove the whole axle, gear and bolt when popping it onto the nut so you can put a bit more force on it and not damage anything of your precious Ultimaker!Enjoy it!