pattern card
/ˈpatn kɑːd/noun
1A sample of cloth, wallpaper, colour, etc., fixed to a card.
2 Weaving. Each of the perforated cards which encode the pattern in a jacquard loom or a knitting machine.
Origin
Mid 18th century; earliest use found in Benjamin Franklin (1706–1790), natural philosopher, writer, and revolutionary politician in America. From pattern + card.