TD-1 Instant Filament TD (Transmissivity) Tester for HueForge (1.75mm Filament) by AJAX

Style: DIY Kit
Sale price$39.99

Customer Reviews

Based on 12 reviews
Brian Tabert
Good not perfect

Once the i got over the shock of all the soldering to be done and assembled it i was relieved that it works. Be sure to print the case at high quality, 0.2 mm max or it wont fit. It does give the TD of every filament i put in it but not always give the color code.

Gregory G
Top notch product!

Great job on this! Went together without a hitch & integrates with HueForge perfectly! The color values aren’t exactly accurate, browns report back green values, but obtaining easy TD values is where the value lies! Hopefully future upgrades can improve the color sensing.
Thank you!


It does everything Ajax set out to do and in a slick package!


This revolutionary device is designed to streamline the process of gathering critical filament data by capturing the TD value and a color hex code directly from your filament, making it easier than ever to add new materials directly to your HueForge filament library.

This is available in two configurations: DIY Kit (Build your Own) and Completely Assembled. Your purchase of this item from West3D directly benefits the creator (AJAX). 

Key Features:

  • Capture TD: Quickly measure the Transmission Distance of your filament.
  • Capture Hex Color Code: Obtain the color hex code of your filament.
  • Quick Capture Mode: Quickly add new filaments directly to your library.
  • Continuous Capture Mode: Monitor the real-time TD data of your filament, whether it’s actively in use or during the spooling process directly on the production line.
  • Seamless Integration: Connect directly with HueForge software to effortlessly add new filaments to your library.
  • 0.91″ OLED Display: View test results even when not connected to HueForge for manual entry later or for uses outside of HueForge.
  • USB-C Interface: Convenient USB-C interface with included cable (PCB kit and assembled versions).

Why Choose The TD-1:

The TD-1 is designed with simplicity and practicality in mind. Say goodbye to the hassle of printing step tests, as this device allows you to gather “close enough” data by simply inserting a strand of filament. The choice of continuous capture mode keeps you in control, monitoring TD values in real-time as the filament flows, ensuring you always have the data you need.


For the TD-1 DIY KIT you will need to build/assemble. For this you will need:

  • Solder and Soldering Iron
  • Double sided VHB tape
  • Eye protection
  • Flush cutters
  • 3D printed parts (see below for link)

 TD-1 Instruction Guide 

3d Printed Case by AJAX 3D

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