4 button box enclosure for 6mm momentary switches Free 3D print model

Part of a http://hackaday.com to make a game controller for people with physical disabilities http://wp.me/pk3lN-pNO. You can also contribute at http://www.thecontrollerproject.comThis enclosure mimics the 4 buttons on an Xbox 360 controller. The 6mm momentary switches take roughly 60grams of force to push. A version using low pressure switches would be beneficial.