Marlin 2.1.3 (beta 1) is a major update focusing on stability, performance, and user interface. This release is recommended for all users. Visit the Marlin Discord for assistance with configuration ...

Getting the folding mechanism to work took some extra effort, with the non-linear Z-axis requiring special attention in the firmware. The printer runs Marlin 1, chosen for its faster compile time ...

This firmware is open source and based Marlin Firmware and the Creality Ender 3 S1 PRO source code. Additional changes and additions were made by Thomas Toka.