Wrong g-code generated - expanding axis mid-print

[ibmua]

Bambu Studio Version

Bambu_Studio_ubuntu-24.04_PR-6008

Where is the application from?

Bambu Lab github releases

OS version

Ubuntu 24.04

Additional system information

AMS used

Printer

X1C

How to reproduce

Just printed the file

Actual results

An axis simply scaled up mid-print in full-rectangle filling times

Expected results

Should have been straight up

Project file & Debug log uploads

grate.3mf.tar.gz

Checklist of files to include

• Log file
• Project file

[ibmua]

Printed another, but similar stl and it also expanded all the same at a similar point along the model - now not just in 1 axis.

grate2.3mf.tar.gz

[ibmua]

Seems like this is related to the Studio somehow mistreating the STL and producing completely different actual paths compared to the ones it visualizes.