You can flip the image, or turn it over like a
card, by using the Flip Horizontally or
Flip Vertically commands.
These commands work on the whole image. To flip a selection, use the
Flip Tool.
To flip a layer, use the functions of the
Layer → Transform
menu or the
Flip Tool.
You can access the Flip Horizontally
command from the main menu through
Image → Transform → Flip Horizontally.
You can access the Flip Vertically
command from the main menu through
Image → Transform → Flip Vertically.
