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r/BambuLab • … • u/Arynoth

Unable to find settings to get P1S to print PETG to print this 'cleanly'

I am trying to use my P1S to help out a friend print his signage in PETG on my P1S printer but despite everything I try I can't seem to get it to either look similar to how their older Ender 3 Printer can do (but he has to swap the filaments in order to do multi-colour printing) which more or less looks like my last 2 pictures which are in PLA to show the model does print quite well/nice in PLA.

Since they are able to print it 'properly' but very slowly on their printer it makes me think I have one or multiple PETG settings still 'wrong' in order to not get some of the black to end up in the clear sections or the outer wall looking 'cleaner' (yes I know PETG won't be as good at finer detail then PLA).

This is done using a 0.4mm nozzle with the 'top' of the bottom printed face down

Quality - Standard settings for 0.20 mm Layer Height is 0.2 mm Toggled on/off with no changes: Order of Walls Inner/Outer to Outer/Inner

Toggled on/off with no changes: Smoothing wall speed along Z

Strength

Wall Loops 2 for Clear, 3 for Black Top/Bottom Shells: Top Surface Pattern: Rectilinear Top Shell Layers: 5 Top Shell Thickness: 1 mm Top Paint penetrations layer: 5 Bottom Surface Pattern: Rectilinear Bottom Shell Layers: 5 Bottom Shell Thickness: 1 mm Top Paint penetrations layer: 3

Internal solid infill pattern: Rectilinear

Spare Infill density: 30% Spare Infill: Pattern: Rectilinear

Infill/Wall Overlap: 15%

Speed: Default for .20mm Standard as well as Slower Speed: Initial layer: 40 mm/s Initial layer infill: 80 mm/s Outer wall: 125 mm/s

Inner wall: 200 mm/s

Sparse Infill: 200 mm/s

Internal solid infill: 200mm/s

Top surface: 150 mm/s

Overhang speed 20 mm/s 25%

20 mms/ 50%

10 mm/s 75%

10 mm/s 100%

Bridge: 50 mm/s

Gap infill: 200 mm/s

Support 150 mm/s

Support interface 80 mm/s

I have also tried changing filament settings as well: Bed 80C up from 70C default for PETG Nozzle: 255-265C Max volumetric speed 10 mm/s Settings Overrides

Length: 1mm

Z Hop when retracing: 0.4mm Retraction speed: 40 mm/s Travel distance threshold: 1mm Wipe while retracting

Edit: I have already run the full suite of the calibration settings for the P1S, several times between prints/print setting changes to give them each a clean attempt.

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