The administrator can select which 3D model files should be prepared and made available in the 3D Viewer.
Right-click on the file and choose Manage 3D Files -> Click the Activate button next to the file to make it available in the 3D Viewer.
If future versions should be available in the 3D Viewer, check the Future Versions option.
To make previous versions available in the 3D Viewer, they can be selected under Manage Files..