What to look for in a Sapphire Pro firmware release
Don't reflash! Open your mks_config.txt file on the SD card, find the INVERT_X_DIR or INVERT_Y_DIR settings, change them from 1 to 0 (or vice-versa), and reboot.
The has shipped with at least three different control boards over its production life. Applying the wrong firmware will brick the machine. Before proceeding with any firmware upd , identify your board: two trees sapphire pro firmware upd
If you install an automatic bed leveling probe (like BLTouch or 3D Touch), a firmware update is mandatory. Prerequisites: Preparing for the Firmware Upd
The flashing process is the same whether you built your own firmware or downloaded a pre-compiled .bin file. What to look for in a Sapphire Pro
Do not use random pre-compiled binaries from forums, as stepper motor directions might be reversed.
– https://github.com/TwoTrees Look for repositories named TT-SapphirePro or GRBL-32bit . Applying the wrong firmware will brick the machine
: Use a small-capacity (typically 8GB–32GB) Micro-SD card formatted to Download Firmware : Obtain the correct file and any associated UI : Available via the TwoTrees Official Wiki Official Website Community Custom : Popular custom Marlin builds, such as those by quentinDeroo , offer improved GUIs and bug fixes. Copy Files : Rename your firmware file to Robin_nano35.bin
Advanced features like UBL (Universal Bed Leveling), custom GUI, and S-Curve acceleration. Official Klipper Config Highest performance, requires a Raspberry Pi. Important Troubleshooting Tips
Newer Marlin versions offer better movement algorithms (like Junction Deviation or updated S-Curve acceleration), which can result in smoother prints.
The Two Trees Sapphire Pro (often referred to as the SP-3) is a powerful, compact CoreXY 3D printer known for its speed and stability. However, like any 3D printer, its true capabilities are unlocked through its firmware. Updating the firmware (the "Two Trees Sapphire Pro firmware upd") is essential for fixing bugs, increasing printing speeds, adding features like automatic bed leveling, and improving overall print quality.