Extra internal bridge discontinuous and causes more than just one extra bridge layer #1290

New Issue

MrUnknownDE · 2026-04-05T17:12:30+02:00

MrUnknownDE commented

2026-04-05 17:12:30 +02:00

Originally created by @lin-xianming on 12/23/2025

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.2-dev

Operating System (OS)

Windows

OS Version

10

Additional system information

No response

Printer

bambu x1c

How to reproduce

Enable extra internal bridge

Actual results

Discontinuous bridge sections with the same angle. Caused by separate surfaces created by intersection with sparse infill and solid infill surfaces.

Four bridge layers on top of each other. Caused by lack of integration of extra bridge logic into bridge_over_infill.

Tiny bits of solid infill left from non-intersecting areas printed into air.

Expected results

bridge_over_infill looks very complicated but the implementation of second internal bridge needs to be reconsidered to be based on unsupported areas as with normal bridge generation.

Project file & Debug log uploads

second bridge problems.3mf.zip

Checklist of files to include

Log file
Project file

Anything else?

No response

*Originally created by @lin-xianming on 12/23/2025* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.2-dev ### Operating System (OS) Windows ### OS Version 10 ### Additional system information _No response_ ### Printer bambu x1c ### How to reproduce Enable extra internal bridge ### Actual results Discontinuous bridge sections with the same angle. Caused by separate surfaces created by intersection with sparse infill and solid infill surfaces. <img width="1174" height="1043" alt="Image" src="https://github.com/user-attachments/assets/221c536d-cef4-4d98-b49c-bb1c0ec443a4" /> Four bridge layers on top of each other. Caused by lack of integration of extra bridge logic into bridge_over_infill. <img width="1280" height="692" alt="Image" src="https://github.com/user-attachments/assets/21ad3af1-3036-415a-a3fa-e2213e7340e4" /> Tiny bits of solid infill left from non-intersecting areas printed into air. <img width="790" height="245" alt="Image" src="https://github.com/user-attachments/assets/9dc64a9b-b040-4767-8e6b-4599c7861f28" /> ### Expected results bridge_over_infill looks very complicated but the implementation of second internal bridge needs to be reconsidered to be based on unsupported areas as with normal bridge generation. ### Project file & Debug log uploads [second bridge problems.3mf.zip](https://github.com/user-attachments/files/24311364/second.bridge.problems.3mf.zip) ### Checklist of files to include - [ ] Log file - [ ] Project file ### Anything else? _No response_

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Reference: github/OrcaSlicer#1290