This is a universal spool holder for larger 1kg spools to use on an Ultimaker 2, Ultimaker 2+, or Ultimaker 2 Extended+. It is a remix of two designs (http://www.thingiverse.com/thing:38806 by humberto & http://www.thingiverse.com/thing:1546811 by Undeviljur). It can print in one piece in a few hours. Printed with the 0.6mm nozzle, 50% infill, 0.25mm layer height, with supports, on a UM2+ it was a 2.5 hour print.