Hello there I was wondering if there could be an option for petg to activate chamber exhaust fan if it exceeds 35 degrees, i know it does this by default, but it’s too strong by default, especially for big parts, they warp too much, especially in winter. I was able to set it to 20% which gets the j…

How is it too strong? I print with the default fan settings and have gone through around 100 kg of PETG and PETG-CF to date without any issues. If your temperature rises above the set point and you don’t cool it down quickly, you risk getting a severe clog — that’s why I’m asking this question. O…

I also didn’t have issues with petg, but petg hf seems to warp more, and i printer even with 40 degrees heated chamber without any issues, though i can’t use pla as a support material

I print a lot with PETG HF — my entire wind tunnel is made from it, and the upgraded version is built from PETG-CF. Why can’t you use PLA as support? For example, I regularly use both PLA and PVA as support when printing PEBA, which requires my build plate to be at 110 °C, without any issues. Sure…

When I bought my first CFX build plate I made some tests with different filaments. You can read about it here [image] PSA How to use Wham Bam Carbon Fiber plate for BBL Bambu Lab X1C PETG HF: Bed temperature at 80°C and first layer nozzle temperature at 260°C. PLA Silk+: …

Adjust chamber exhaust fan

Bambu Lab H2 Series

L0rdS474n October 29, 2025, 1:51pm 5

When I bought my first CFX build plate I made some tests with different filaments. You can read about it here