Quote Originally Posted by wirlybird View Post
I am trying to print this spiral. The front side (front of machine) is doing fine but the fins on the back are deforming. I am guessing it's a heat issue. I think I also need to slow down the overall print speed.

Any thoughts?
If that is PLA, are you using the left extruder and is the blower running full speed? Also, what layer thickness? I was wondering if thinner layers might warp less?