PET-CF thin walls printing

Originally posted by u/wuzi86 at 2025-06-28T13:18:32Z

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Whats are your settings for thin walls for PET-CF with 0.6mm nozzle?

I printed it with 320°C and 65°C chamber temp on an x-max 3 at 30-40mm/s with 0.2mm layers. But i feel that it breaks too easy on the layers lines. Is this because it's a very stiff and brittle filament or did i do something wrong?