System for manipulating physical objects in Unity 3D
install the steamVR plugin for unity. it's available on the unity asset store.
drag the CameraRig prefab from the steamVR assets into your scene.
attach a ManipulatorController script to each of the Controller prefabs within the CameraRig prefab.
attach an InteractiveObjectController script to each object you would like to be interactable with your Vive.
interactive objects must have a collider and a rigidbody.
Everything I've written here is released under the MIT Free Software License.