when new project opened, thumbnails updated, but view not: <img width="1096" alt="screen shot 2017-05-11 at 00 28 05" src="https://cloud.githubusercontent.com/assets/11758660/25922177/cf49c928-35e0-11e7-82cc-9a594c77b93f.png"> project `quarry` opened, but rendered model from previous project
when new project opened, thumbnails updated, but view not:
project
quarryopened, but rendered model from previous project