Mixed Reality Design Labs share experimental samples, explorations and learning from Windows Mixed Reality Design group. If you are looking for official toolkit, please use Mixed Reality Toolkit
I am attempting to follow the directions in the case study, but Assets > Build AssetBundles causes Unity to crash. Here is a related post in the dev forum.
I am running a Mac OS Sierra and I was able to reproduce these results with Unity 5.5.2f and 5.6.
There are important files that Microsoft projects should all have that are not present in this repository. A pull request has been opened to add the missing file(s). When the pr is merged this issue will be closed automatically.