Valve released CAD files for the Steam Controller shell under a Creative Commons license, allowing fans to create custom accessories. The design documents, available for free download, only cover the controller's exterior, meaning users can’t 3D-print internal components. This move aligns with Valve’s history of fostering modding communities but doesn’t solve the current shortage of the sold-out device.

While the Steam Machine and Steam Frame VR headset remain unreleased, the controller’s scarcity makes it a niche but sought-after tool for PC gamers.