BIQU AJAX TD1 PCB Board - Filament Color Sensor Module for DIY 3D Printer Users Compatible with HueForge

$9.99 USD
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Accurately detect the color and transparency of 3D printing materials, and generate parameters for Hueforge slicing software to improve the printing effect of color relief photos. Simple and practical, it helps you achieve more realistic color reproduction.

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About Warehouses

Default Shipping: China Warehouse
Unless otherwise specified, orders are shipped from our China warehouse, with worldwide delivery available. Estimated delivery time is 12–20 business days, depending on your destination.

Alternative Warehouse Options
Selected products offer US or EU warehouse options as variants, subject to stock availability.

  • US Warehouse: Available for delivery within the contiguous United States only. Alaska, Hawaii, Puerto Rico, and military addresses are excluded. Estimated delivery time: 5–7 business days.
  • EU Warehouse: Estimated delivery time: 5–7 business days.


For more information, please refer to our Shipping Policy.

The BIGTREETECH TD1 (also known as AJAX TD1 / BIQU TD1) is a compact filament color sensor module designed for HueForge and advanced multi-color 3D printing projects. It accurately measures both the color (RGB/hex value) and transmission distance (TD) of 1.75mm filament, helping you generate precise parameters for stunning full-color prints using translucent filaments.

Key Features:

  • Dual functionality: RGB color detection + transmission distance measurement
  • High-resolution optical sensor with calibrated lens for accurate readings
  • Built-in optical button for easy triggering of measurements when filament is inserted
  • Real-time feedback for quick filament calibration and testing
  • Compact PCB design for simple integration into DIY 3D printer setups
  • Compatible with HueForge slicing software for optimized multi-color printing
  • Ideal for creating beautiful, gradient, and true-color artistic prints

This sensor is especially useful for makers who want to achieve professional-level color accuracy in HueForge prints without guesswork. It helps reduce color mismatches and improves overall print quality by providing reliable data for slicing.

If you want to get the complete unit directly, please purchase it at the following link:

BIQU AJAX TD1S