Bug: new object created by Luban in dual exrusion 3d printing

[poltpolt]

🐞 bug report

Affected Version(s)

4.15.2

Is this a regression? (optional)

To Reproduce

Steps to reproduce the behavior:

1. Go to 3dprinting with dual extusion
2. Click on 'brush' icon to mark which part should be printed by right extruder (marked as 1 on screenshot)
3. Generate G-Code
4. See additional object (a cylinder marked with (3) placed next to your model marked as (2)

Expected behavior
I would expect only my object to be there no addional cylinder added

🌍 Your Environment

Platform:

- Operating System: Opensuse Linux
- Printer: Snapmaker A450