Thank you for the reply. My minimum layer height is 5sec. I printed this with 225 C and 30 mm/s and 10 or 15 % infill.
The part is scaled down 60% because at the time Cura 14.03 wouldn't slice it. Braddock helped me find a fix. I used Cura 14.01 and sliced it without any problems. I think there were problems with the slicing because it started skipping layers above the head.
I will try printing it again. Full size part. 0.05 mm layer height, 30 mm/s, 205 C with no infill.
One more question. What do you guys use for spool holder. I find that the one provided by the Ultimaker 2 can be improved.
I know I am a beginner but I can't work with simple parts. I wanna see the limits of my printer . Plus the complicated things are far more interesting to build. Thank you Braddock again for this amazing sculpture.