pillarboxed
Reverse of letterboxed. An image resizing technique where vertical bars are displayed on both sides of a picture.
Pillarboxed does not count as a border but outside border may be used with it.
Examples
- Danbooru post #8018111: Black pillarboxed
- Danbooru post #8027555: White pillarboxed
- Danbooru post #8029128: Colored pillarboxed
- Danbooru post #7966336: Landscape pillarboxed