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Praneeth
Ansys Employee

Hi Francesco,

Thank you for reaching out to the Ansys learning forum. 

Please share screenshots of your issue if possible to help us serve you better.

For your first observation: you might be zooming onto the origin and see the trace is not passing through the origin - this is just a render issue after you zoom in from a certain point. You can verify using the measure option in the draw ribbon area.

Best regards,
Praneeth.

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