Hi,

I am getting some problems with layer warping on the edge of my print (see the attached photos). I am printing with ABS at 240 degrees.
There were no problems with bed adhesion i.e. the print did not lift from the bed. The printer is a custom reprap-based printer and is surrounded by walls to isolate it from air currents

Also, you can see a shift in the printing pattern in the horisontal plane about one third of the way up the structure. What could cause this?

Any ideas of what I could do to avoid this?

cheers, Daniel
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