Browse viewpoints 

With viewpoints you can store points of interest of you model to other to reach them fast and easy. Open viewpoints selection pressing  or shortcut button . Button is located bottom right corner of the model window.  Left click moves the camera to the stored viewpoint.

Add New Viewpoint 

Move to the location you want to store as a new Viewpoint. After that open the 'Viewpoints' . Click empty viewpoint with   at the top of the existing list of viewpoints. System takes current view as a new viewpoint and opens the viewpoint edit dialog. In the dialog you can rename it.

Rename Viewpoint 

Rename the viewpoint clicking its name  under the viewpoints thumbnail.

Delete Viewpoint

To remove the viewpoint clickon the top right corner of the viewpoints thumbnail.

Change thumbnail in the Gallery 

Set set the thumbnail picture shown in the gallery view  click on the top right corner of the viewpoint.

Current Gallery thumbnail

icon on the left top corner indicates the current Gallery thumbnail.

Update  All Thumbnails

After you have changed your model environmental settings, like lights, background, etc. you may want to update models thumbnails to match the new visual look of the model.

In the bottom of the viewpoints selection view  button. Click it to update all thumbnails.