Same model as https://github.com/AnalyticalGraphicsInc/cesium/issues/7495 but now a different problem. The model loads with the fix in https://github.com/AnalyticalGraphicsInc/cesium/pull/7537 but doesn't show up on screen. It should look like: <img width="367" alt="capture" src="https://user-images.githubusercontent.com/915398/52153976-097af800-264a-11e9-9452-007f2dd50d6d.PNG"> [2bb8a9b5-6346-419c-a47e-b18721123776_1.zip](https://github.com/AnalyticalGraphicsInc/cesium/files/2823613/2bb8a9b5-6346-419c-a47e-b18721123776_1.zip)