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Fixed infill combination on Prusa XL with different sized nozzles #14566

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@jimmysun2000 jimmysun2000 commented May 17, 2025

Previously infill combination on Prusa XL only combines layers up to the height of the smaller nozzle out of solid infill extruder and infill extruder.

Solid infills are usually on the surface and are usually of a smaller nozzle for better quality. However, internal sparse infills are always internal and are usually printed with a larger nozzle.

This pull request now combines internal sparse infills up to the size of its nozzle size, while leaving solid infill untouched. Which significantly speeds up prints on Prusa XL with different sized nozzles installed.

Edit: This is fix for #14434

Previously infill combination on Prusa XL only combines layers up to the height of the smaller nozzle out of solid infill extruder and infill extruder.

Solid infills are usually on the surface and are usually of a smaller nozzle for better quality. However, internal sparse infills are always internal and are usually printed with a larger nozzle.

This commit now combines internal sparse infills up to the size of its nozzle size, while leaving solid infill untouched. Which significantly speeds up prints on Prusa XL with different sized nozzles installed.
@jimmysun2000 jimmysun2000 force-pushed the infill-combination-fix-xl branch from 6a47aa0 to d54cbeb Compare May 26, 2025 12:02
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