Quote Originally Posted by curious aardvark View Post
you're probably printing the second (and consequent) layers too fast.
what speed are you using for first layer and other layers ?
And are you doing weird things like changing temperature during the print ? (never understood why people do that)

yeah ender3-ish. The colour mixing thing looks interesting. 2-in-1 out by the looks of it.

Overall print speed of 50 mm/s
First layer and walls 25 mm/s
Temperature is the same from the start to the end with all cooling fans off.