Thumbnail Options dialog box
[Layer Window - Layer tab > Menu - Thumbnail Options...]
The thumbnail of each object is displayed in the left side of the object name in the Layers tab of the Layers window. You can specify whether to display the thumbnails and the size of them.
- None
Removes the thumbnails of the objects and shows only the layer/object names. - Small
Displays the small thumbnails of the objects and shows the layer/object names. - Medium
Displays the medium-sized thumbnails of the objects and shows the layer/object names. - Large
Displays the large thumbnails of the objects and shows the layer/object names.