Separate filament shrinkage into x and y components #1892

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MrUnknownDE · 2026-04-05T20:55:19+02:00

MrUnknownDE commented

2026-04-05 20:55:19 +02:00

Originally created by @rinqu-eu on 10/17/2025

While filament shrinks the same in X and Y directions, we can also use this feature to dial in the dimentional accuracy.

For example, on my BBL A1 when using PLA I'd get 149.22/149.85 on a 150mm calibration piece.
Scaling the model up by 100.5 in X and 100.07 in Y allows me to get sub 0.1mm accuracy.

With this change, one could set PLA shrinage to 99.50% in X and 99.93% in Y and eliminate the need to scale the model.

*Originally created by @rinqu-eu on 10/17/2025* While filament shrinks the same in X and Y directions, we can also use this feature to dial in the dimentional accuracy. For example, on my BBL A1 when using PLA I'd get 149.22/149.85 on a 150mm calibration piece. Scaling the model up by 100.5 in X and 100.07 in Y allows me to get sub 0.1mm accuracy. With this change, one could set PLA shrinage to 99.50% in X and 99.93% in Y and eliminate the need to scale the model.

MrUnknownDE closed this issue

2026-04-05 20:55:19 +02:00

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Reference: github/OrcaSlicer#1892