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Google just made it ridiculously easy to 3D print your own Fitbit Air bands

Google has published design- and manufacturing-oriented guidance for the Fitbit Air, marking a notable step toward an open-access accessory ecosystem. The materials page and 2D CAD drawings detail critical dimensions, tolerances, and mating features, including how to keep sensors flush and how to manage attach/detach forces. While the files are not immediately printable STL models, they provide enough dimensional data for skilled makers to recreate bands in CAD software. The release also offers guidance on skin-safe materials, hinting at a careful balance between customization and user safety. The inclusion of AI-assisted interpretation to assess print feasibility underscores the practical intent of the release. For hobbyists, indie creators, and small shops, this move broadens the potential to tailor Fitbit Air aesthetics and fit, potentially expanding the wearable’s appeal and accessory market while reinforcing Google’s ecosystem around the device.