Sailfish Firmware Flashforge Creator Pro New! -
Unlike Marlin (which is more common on RAMPS boards) or the stock FlashForge firmware (which is often outdated and closed-off), Sailfish is designed for and high-speed printing . It was originally developed by Jetty and the team at Sailfish firmware, with later contributions from the 3D printing community.
Use or Simplify3D (or a modern slicer with Sailfish post-processing). Sailfish expects X3G format, not G-code directly. Sailfish Firmware Flashforge Creator Pro