Any increases or decreases in width should be made by adding or subtracting multiples of 4 (f)sc. One pattern st = approx ¾ inch or 2cm wide.

This pattern has been written mainly for my reference, but should you wish to use it I will be happy to answer questions. I would ask however that this not be shared more widely without my approval.

This is written in US terminology, but explains the UK terminology in the abbreviations.