Sometimes GitHub links break. The Two Trees Facebook group maintains a mirror.
Search: “Two Trees Sapphire Pro firmware Google Drive” (direct links change, but the group is active).

If you cannot find a pre-compiled firmware link that matches your exact setup (e.g., dual Z, filament runout sensor, E3D hotend), you must compile Marlin yourself.

Step 1: Download VS Code and PlatformIO.
Step 2: Get Marlin bugfix-2.1.x from https://github.com/MarlinFirmware/Marlin.
Step 3: Use the example configuration for TWO_TREES_SAPPHIRE_PRO.
Step 4: Set your MOTHERBOARD to BOARD_MKS_ROBIN_NANO_V3 or V4.
Step 5: Run PlatformIO: env:mks_robin_nano_v3 then copy the .bin to SD.

Stock firmware is stable, but many users prefer Klipper or Marlin 2.1.x for advanced features like Input Shaping and Pressure Advance. Below are the best community sources:

The primary source for official firmware is Two Trees’ GitHub repository. Unlike scattered Google Drive links, GitHub maintains version history.

Official Link:
https://github.com/TwoTreesArt/SapphirePro

Note: As of 2025, the direct SapphirePro folder contains:

If you cannot access GitHub, Two Trees also provides a backup link on their official website under the “Support/Download” section:
https://twotrees3d.com/pages/download

The correct two trees sapphire pro firmware link depends entirely on your mainboard. For 95% of users with a stock MKS Robin Nano V1.3, the official Two Trees GitHub repository is the safest and most reliable source. However, for advanced features like high-speed printing and input shaping, the Knutwurst community build is objectively superior.

Always verify your motherboard revision, format your SD card correctly, and update both the mainboard and the LCD. With the right firmware, your Two Trees Sapphire Pro transforms from a budget kit into a reliable, high-performance workhorse.

This article was last updated for firmware compatibility in 2025. Links are functional as of publication. If a link is broken, always search GitHub for "TwoTrees Sapphire Pro" — the open source community keeps the best copies.

Two Trees Sapphire Pro Firmware: A Comprehensive Guide

The Two Trees Sapphire Pro is a highly regarded 3D printer known for its exceptional print quality, reliability, and affordability. One of the key factors that contribute to its performance is the firmware that controls its operations. In this article, we will explore the Two Trees Sapphire Pro firmware, provide links to download the latest version, and guide you through the process of updating your printer's firmware.

What is Firmware and Why is it Important?

Firmware is the software that controls the operation of a device, in this case, the Two Trees Sapphire Pro 3D printer. It manages the printer's hardware components, regulates the printing process, and provides a interface for users to interact with the printer. Firmware updates often bring improvements, bug fixes, and new features, making it essential to keep your printer's firmware up-to-date.

Two Trees Sapphire Pro Firmware Features and Updates

The Sapphire Pro firmware is based on the open-source Marlin firmware, which is widely used in the 3D printing community. The firmware offers a range of features, including:

Download Two Trees Sapphire Pro Firmware Link

To ensure you have the latest firmware version, we provide links to download the official firmware:

How to Update Two Trees Sapphire Pro Firmware

Updating the firmware on your Two Trees Sapphire Pro is a relatively straightforward process. Here's a step-by-step guide:

Troubleshooting and Tips

Updating the firmware on your Two Trees Sapphire Pro Go to product viewer dialog for this item.

(also known as the SP-3) generally involves using the official TwoTrees Firmware Download page or community-developed Marlin builds. Because this printer uses an MKS Robin Nano motherboard, the update process is typically handled via a microSD card. 1. Identify Your Hardware

Before downloading, you must confirm your specific hardware configuration to avoid permanent damage:

Motherboard Version: Check if you have an MKS Robin Nano V1.2 or another version.

Stepper Drivers: Identify if your printer uses TMC2208, TMC2225, or A4988 drivers. 2. Official Firmware Resources

The official source for stock firmware is the TwoTrees Official Download Page.

If your specific motherboard or driver version isn't listed, you can request it from their support team at service@twotrees3d.com. 3. Popular Community Firmware (Marlin/Klipper)

Many users switch to open-source Marlin or Klipper for better control and features like real-time flow rate adjustments. Marlin 2.0 (Stable): Preconfigured versions for the Sapphire Pro Go to product viewer dialog for this item.

can be found on GitHub repositories like quentinDeroo's Marlin Fork or RolfZuckowskiUltras' Precompiled Binaries.

Klipper: If you use Klipper, the official configuration file for the Go to product viewer dialog for this item. provides pin mappings for the Robin Nano 1.2 board. 4. How to Flash the Firmware The flashing process for MKS Robin Nano Go to product viewer dialog for this item. boards is straightforward: Format the Card: Use a clean, FAT32-formatted microSD card.

Copy Files: Place the firmware file (typically named Robin_nano35.bin) and any required assets folder into the root directory of the card.

Insert and Boot: Turn off the printer, insert the card, and turn it back on. The printer will automatically detect the file and show a progress bar during the update.

Finish: Once complete, the printer will boot into the new firmware. It is often recommended to delete the .bin file from the card afterward to prevent repeated flashing. Two Trees Sapphire Pro, 3D printer custom firmware ⚙️

If you own a Two Trees Sapphire Pro—the upgraded, linear-rail version of the popular Sapphire S—you know it’s a powerhouse of a CoreXY 3D printer. However, like any open-source machine, its performance heavily depends on the firmware. Whether you are upgrading to a better version of Marlin, enabling a BLTouch, or recovering a bricked board, finding the correct Two Trees Sapphire Pro firmware link is critical.

In this article, we will provide you with verified sources for firmware, explain the differences between stock and custom builds, and give you a step-by-step installation guide.

Two Trees Sapphire: Pro Firmware Link