This upload contains CAD files for the external shell (surface topology) of Steam Controller and the Steam Controller Puck, under a Creative Commons license. This includes an STP model of each, an STL model of each, and an engineering drawing with critical features/keep outs for each.
Feel free to use these to make your own Puck holders, Controller sweaters, or whatever else you want to create!
Your Steam Controller is yours, and you have the right to do with it what you want. That said, Valve highly recommend you leave it to professionals. Any damage you do will not be covered by your warranty – but more importantly, you might break your Steam Controller, or even get hurt! Be careful, and have fun.

Created and originally shared by Valve here.
The user re-uploaded this model. The user is not the original author of the model.