If you own a Sunlu T3 3D printer, you already know it strikes an incredible balance between affordability and print quality. However, like all modern FDM printers, the heart of its operation isn't the hotend or the build plate—it’s the software running on its motherboard: the .
This paper provides a technical overview of the firmware environment for the SUNLU T3 (Terminator 3)
: Official files are hosted on the SUNLU website or shared via their Official Facebook Support Page. Custom & Community Firmware Options