Since the Two Trees Sapphire Pro (and its siblings, the Plus and Zero) uses an open-source motherboard (typically an MKS Robin Nano), "Best Firmware" is not a single answer. It depends on whether you want stability or advanced features.
If you aren't comfortable editing Configuration.h files, the Foxies firmware fork is widely considered the best pre-compiled Marlin version for the Sapphire Pro. It is specifically tuned for the MKS Robin Nano boards used in Two Trees machines. two trees sapphire pro firmware best
For speed, quality, and remote control, Klipper is the undisputed best firmware for the Sapphire Pro. Since the Two Trees Sapphire Pro (and its
PID Tuning: Run a PID tune for both the nozzle and the bed to prevent temperature fluctuations. Increase motor current slightly, check belts and mechanical
| Feature | Stock Firmware | Updated Marlin 2.x | Klipper | | :--- | :--- | :--- | :--- | | Difficulty | Pre-installed | Medium (Download & Flash) | Hard (Requires Raspberry Pi) | | Stability | Low/Medium | High | High | | Speed | Standard | Standard | Excellent | | Interface | Touchscreen | Touchscreen | Web Browser (Screen turns off) | | Recommendation | Avoid if possible | Best for Plug & Play | Best for Performance |
The Two Trees Sapphire Pro is a sturdy, linear-rail CoreXY 3D printer. While it ships with a basic Marlin firmware, the “best” firmware depends on what you want: stability and ease (Marlin) or speed and advanced features (Klipper).