A small hack to get ARToolkit working in VR with Unity3D. It requires ARToolkit 5.x. It doesn't work with ARToolkit 6.x.
This integration uses the built-in Unity VR integration so it works with SteamVR as well as Oculus.
<iframe width="560" height="315" src="https://www.youtube.com/embed/bjAuiWXDwSw" frameborder="0" allowfullscreen></iframe>This project is released under the MIT license.