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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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Multi-Material print Infill on first layer produces bad first layer. #11710

Open BrienKing opened 1 year ago

BrienKing commented 1 year ago

Description of the bug

I have a model that I am doing 3 perimeters with the first tool (Flexible PLA) and using PLA with the second tool for Infill and Solid Infill.

image

I have a modifier at the bottom of the model to set it to 100% infill. I want 99% of the bottom to be PLA since the Flexible PLA sticks too well to the textured plate and leaves a white residue on the bottom (if you can get it off the plate). My reason for doing this is I need a solid base, but I want that base to be wrapped in the Flexible PLA to make it more durable.

This is what I get on the first layer: image

This causes each subsequent layer of infill to be bad as well. The extruder is dragged through the high points. I've set the collision detection to "Low" so that the print will succeed.

It looks like it's over extruding on the solid infill or the nozzle is too low.

free idol v1.zip

I know it's not the filament or the extruder because I can print normal things with the same filament and extruder and they print with a perfect first layer.

Project file & How to reproduce

I have included the project file so you can see what is happening.

Checklist of files included above

Version of PrusaSlicer

2.7.0 B1

Operating system

Windows 10

Printer model

Prusa XL Dual Extruder (alpha 2)

rtyr commented 1 year ago

I don't think this issue is related to PrusaSlicer. I would say it is either mesh bed leveling issue or tool calibration offset issue.