Layers > Thumbnail Size
Thumbnail Size
The Thumbnail Size command allows you to set the Thumbnail size in the layers palette. The Thumbnail size options comes in five sizes:

32 x 32 px
40 x 40 px
48 x 48 px
64 x 64 px
128 x 128 px.
1. Do one of the following:
 Choose Layers > Thumbnail Size
 Click the Thumbnail Size button on the toolbar
Related Information
Image > Canvas Size
Image > Print Size
Animation > Thumbnail Size
Animation > Thumbnail Size > Large
Animation > Thumbnail Size > Medium
Animation > Thumbnail Size > Small
Effects > Design > Random Sized Dots
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