[Circle not round]

There are only a few places that they do not touch, and only on one side. see picture.

Cura settings come:)

[Circle not round]

Hello

I am not sure if this is a hardware or a software problem.

When I print a test circle with a wall thickness of 0.8mm then, it is not everywhere that the two walls touch each other.

I have tightened all belts and calibrated parallelism on small rods

Printer: Ulitmaker orginal +

Design tool: 123D Design

Slicing software: Cura

Cura settinge see pic.

thank you in advance

Sten