OK guys, many thanks for the hint ! Indeed it works with "print islands sequentially" unchecked. No problem, when printing only one part. But if you print more than one part, a new thread on a new layer is printed on top of a just printed thread. No time to cool down. I'm wondering about t...
Same behavior here, and also with smaller GCode Files.
The problem has occured since V3.1.1
V 3.1.0 works super fast with same .stl files and heavy scripting !
Once again, I am very disappointed about the S3D Upgrade...