DIY enthusiasts and accessory designers will no doubt be delighted to learn that Valve has a little gift for them. The CAD files for the Steam Controller are now available for download here.
These files for the outer shell of the Steam Controller and the Puck are licensed under Creative Commons. Users will find an STP model, an STL model, and a technical drawing. They highlight the key components and exclusion zones of the two devices.
This will allow skilled individuals to create useful accessories and customization parts for the controller.
