Before your first print, go to Control > Temperature > PID Autotune . Run it for the hotend (185°C for PLA) and bed (60°C). The stock PID values on the Sunlu T3 firmware are notoriously loose, causing ±5°C swings.
Compiling your own Marlin firmware allows you to customize menus, change maximum temperatures, and tune the clog detection sensor. Key Configurations for Sunlu T3 Marlin sunlu t3 firmware
By taking control of your Sunlu T3's firmware, you transform it from a rigid budget printer into a highly adaptable, precise, and fast manufacturing tool tailored exactly to your workflow. Before your first print, go to Control >
Since Sunlu does not always maintain an actively updated Marlin branch, the community relies on configuring standard Marlin releases. You can compile this yourself using with the PlatformIO extension. Key Marlin Configurations for Sunlu T3: Compiling your own Marlin firmware allows you to
Do you have a like a Raspberry Pi available?