These are patterns that travel left to right/right to left, and are created long enough for one repeat to cover the width of the quilt. Use a trim or fill function to adjust the width of the quilt while maintaining the ration of height to width..
Intelliquilter owners: The block function is used with these patterns. Please review the following video before purchasing...
http://www.iqdemos.com/2017/01/modern-pantos-example-troubles-seas.html