Valve has released official 3D CAD files for the Steam Controller and Puck to support the hardware modding community. The release of these files follows a launch in which the new controller sold out shortly after it became available.

The technical package is available under a Creative Commons license and includes STP and STL models for the external shell topology of both the controller and the Puck. Valve also provided engineering drawings detailing critical features and “keep out” zones to assist designers in maintaining signal strength and functional clearances for third-party accessories.

The CAD files are intended to facilitate the creation of custom grips, 3D-printed stands, and other physical modifications. While the files cover the hardware's surface topology, they do not include internal component designs. Modders can access the repository via GitLab to begin developing accessories for the new platform.

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KitGuru says: Were you lucky enough to grab a Steam Controller before it sold out? What kind of mods are you expecting from the community?