Fingerprint reader Framework expansion card

The 3D CAD drawing is based on the printable drawing provided by Framework. Here is the finished product after eight iterations:

• 3D CAD drawing ExpansionCard_FingerprintReader.stl
  • Black PLA (0.2 mm layer, 15% infill)
• Chipsailing CS971 fingerprint reader - 11€ (AliExpress)
• USB-A to USB-C adapter - 4€ (Ebay)

Remove the external casing from both the fingerprint reader and the USB adapter. A box cutter and a flat-head screwdriver would suffice. Start from the sides to avoid accidentally damaging any electronic components.

From Framework:

We've designed the enclosures to be printable on home 3D printers using PLA filament.

If you don't have a 3D printer, it's also easy to order enclosures from the various printing services that are out there. Because Expansion Cards are tiny, it is extremely inexpensive to get cards printed. We haven't used all of the services below, but these are some of the popular ones:

• Shapeways (https://www.shapeways.com/) - HP MJF material
• Hubs (https://www.hubs.com/) - HP MJF material (has a minimum order quantity)
• Treatstock (https://www.treatstock.com/) - Range of materials, including PLA

Tested instructions for Fedora 42 can be found here: https://github.com/ddlsmurf/libfprint-CS9711

Resources for other distros: https://gitlab.freedesktop.org/libfprint/libfprint/-/issues/610

Expansion Cards © 2021 by Framework Computer Inc is licensed under CC BY 4.0.

Fingerprint Reader Expansion Card © 2025 by theowoo is licensed under CC BY 4.0.

To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/