3d honeycomb bug fix (with infill combination) improve bridge direction #980

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MrUnknownDE · 2026-04-05T16:39:25+02:00

MrUnknownDE commented

2026-04-05 16:39:25 +02:00

Originally created by @RF47 on 1/24/2026

Description

PR inspired by #12046
This PR fixes a bug in 3D honeycomb where using infill combination causes the infill to shift, resulting in incorrect bridge detection. This also fix artifacts with variable layer height.

Screenshots/Recordings/Graphs

Before:

Bug 1: unsupported bridges

Bug 2: rotated pattern with infill combination

After:

3D honeycomb and crosshatch infill patterns, bridge direction on top layer.

Fix #12002

*Originally created by @RF47 on 1/24/2026* # Description PR inspired by #12046 This PR fixes a bug in 3D honeycomb where using infill combination causes the infill to shift, resulting in incorrect bridge detection. This also fix artifacts with variable layer height. # Screenshots/Recordings/Graphs # Before: Bug 1: unsupported bridges <img width="2560" height="1392" alt="image" src="https://github.com/user-attachments/assets/22428be0-839e-4d51-9ddd-0b3b6623db8a" /> Bug 2: rotated pattern with infill combination <img width="1510" height="879" alt="image" src="https://github.com/user-attachments/assets/1e288ba1-2cdd-4980-8ee7-55fc061282dd" /> # After: <img width="2560" height="1392" alt="image" src="https://github.com/user-attachments/assets/d1ce8ba6-1703-4cb8-bf45-95831eb813d7" /> <img width="1506" height="928" alt="image" src="https://github.com/user-attachments/assets/ba8d22e2-cf5c-4951-a061-a8b362598b35" /> 3D honeycomb and crosshatch infill patterns, bridge direction on top layer. <img width="1562" height="901" alt="image" src="https://github.com/user-attachments/assets/fcc2a33e-1232-4b55-9919-9c934c67fdf4" /> Fix #12002

MrUnknownDE closed this issue

2026-04-05 16:39:25 +02:00

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Reference: github/OrcaSlicer#980