Effects > Distort > Glass
Glass
The Glass filter allows you to make the image appear as if it were being viewed through glass.
1. Choose Effects > Distort > Glass
2. Use the following options:
  Size (px)
This option allows you to change the square size.

Min = 1, Max = 200, Default = 16.
Using Preview Windows
Favorites and History
Related Information
Effects > Artistic > Stained Glass
Effects > Stylize > Broken Glass
Effects > Stylize > Frosted Glass
Search the Internet