Fill Adaptive bug-fix #1284

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MrUnknownDE · 2026-04-05T17:11:32+02:00

MrUnknownDE commented

2026-04-05 17:11:32 +02:00

Originally created by @RF47 on 12/24/2025

Description

This is a bug fix for the adaptive cubic and support cubic infill patterns (bug discovered by @igiannakas while reviewing Clipper 2 Multiline). The bug occurs at very low densities or with very high multiline settings (when the infill spacing is larger than the part). I propose this minimal solution, which is not perfect, but I estimate it covers 99.9% of cases.
(This infill pattern is very complicated, and I don't understand it in enough detail to come up with a perfect solution, at least for the moment).
I also corrected a detail in the GUI: adaptive infills do not support sparse infill direction or sparse infill rotation templates.

Tests

Before:

After:

*Originally created by @RF47 on 12/24/2025* # Description This is a bug fix for the adaptive cubic and support cubic infill patterns (bug discovered by @igiannakas while reviewing Clipper 2 Multiline). The bug occurs at very low densities or with very high multiline settings (when the infill spacing is larger than the part). I propose this minimal solution, which is not perfect, but I estimate it covers 99.9% of cases. (This infill pattern is very complicated, and I don't understand it in enough detail to come up with a perfect solution, at least for the moment). I also corrected a detail in the GUI: adaptive infills do not support sparse infill direction or sparse infill rotation templates. ## Tests Before: <img width="2560" height="1392" alt="image" src="https://github.com/user-attachments/assets/cf7bc18f-539a-4a17-a79d-97ba38a29661" /> <img width="2410" height="1464" alt="image" src="https://github.com/user-attachments/assets/536a03e2-b910-4e15-a405-0b0b75fa6939" /> After: <img width="2560" height="1392" alt="image" src="https://github.com/user-attachments/assets/d6616909-a12f-4eab-bbee-f6884f0b4c11" /> <img width="2560" height="1392" alt="image" src="https://github.com/user-attachments/assets/4fd06418-1020-4be9-a5e0-4b63485c2a25" />

MrUnknownDE closed this issue

2026-04-05 17:11:32 +02:00

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Reference: github/OrcaSlicer#1284