The same image, before and after applying Checkerboard filter
This filter creates a checkerboard pattern replacing the current layer
content. Colors used for pattern are current Fore- and Back ground
colors of toolbox.
You can find this filter in image menu following
“Checkerboard” filter options
This option gives an eiderdown look to the Checkerboard.
With this option, you can set checkerboard square size, in
pixels, or in your chosen unit by using the drop-down list.