(Optional) The Terminal Block BFF and 3D printed case are NOT REQUIRED to complete this project. We included it to make it easy for you to extend the project by adding external components (i.e: adding extra LEDs, a local environmental sensor like the BME680, a servo, an irrigation pump, and more..)
Parts
3MF files for 3D printing are oriented and ready to print on FDM machines using PLA filament. Original design source files may be downloaded using the links below.
Build Volume
The parts require a 3D printer with a minimum build volume of 50 (X) x 38 (Y) x 16mm (Z).
Case CAD
The QT Py Terminal Block BFF fits into the bottom half of the enclosure. The top half of the enclosure snaps over the bottom half with access to the STEMMA QT port and the USB-C port on the QT Py.
Design Source Files
The project assembly was designed in Autodesk Fusion. STEP files are available in the CAD source zip file.
Electronic components like Adafruit's boards, displays, connectors and more can be downloaded from the Adafruit CAD parts GitHub Repo.
Page last edited April 29, 2026
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