Rotational
A rotational pattern is where the motif has been rotated on its axis.
The motif may be rotated and repeated at any angle, but most designers will rotate at 90 or 180 degrees to make more uniform patterns.
Cornflowers tiles, William De Morgan, 1898, V&A Images / Alamy Stock Photo
These Cornflowers tiles (William De Morgan, 1898) have been designed to create a rotational pattern.
When rotated through 180 degrees, the leaves and stems create a seamless line across the join between the tiles.
A line of tiles would read as a continuous design but the rotational pattern adds variety and creates a more Irregular, flowing or relating to nature. In art and design, organic shapes, forms or lines are imperfect as opposed to perfect geometric elements. feel than a block repeat.
Cornflowers tiles, William De Morgan, 1898, V&A Images / Alamy Stock Photo