A common problem, especially with petg filament and perhaps a glass bed. Base level is not sticking fully. Happened to me once but I forgot how fixed it. Maybe more squish on first layer? Or more hairspray¡
73
Mark
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AJ6CU/7
KD8CEC 2.0, Nextion Screens,? and open source uBITX Raduino boards for Arduino IOT, BLE, RP2040, Teensy 4.0, and Raspberry Pi Pico
https://github.com/aj6cu
