Propeller Spinny Toy -This print flys quite well!  I remember getting these as stocking stuffers and having lots of fun with them!  This was printed and tested on an Ultimaker2  and sliced with Cura. -Print Instructions Please view images for suggested print orientation No support material required Suggest layer height is 0.1mm or less Clean up print artifacts in square handle-hole and on propeller with blade Carefully tap handle into hole with hammer