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prusa3d / PrusaSlicer

G-code generator for 3D printers (RepRap, Makerbot, Ultimaker etc.)
https://www.prusa3d.com/prusaslicer/
GNU Affero General Public License v3.0
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line with different color appears on the first layer with new merged object (multicolor print ) #12434

Open petrubecheru opened 6 months ago

petrubecheru commented 6 months ago

Description of the bug

despite the area being fully painted in white, a gray line appears on the layer where a merged object starts image

Project file & How to reproduce

slice this Small Rocket (complete).zip

image

Checklist of files included above

Version of PrusaSlicer

2.7.2

Operating system

Ubuntu 23.04

Printer model

Original Prusa XL 5T

petrubecheru commented 6 months ago

probably related to #11774

petrubecheru commented 5 months ago

confirmed in 2.7.3 alpha1: image

petrubecheru commented 2 days ago

confirmed on 2.8.1-RC1