@beefkeef and @fide there is a great video about hair cards and how to use a Hair Particle System to guide the cards so you can easily groom hair cards in a Blender Today episode with Daniel Bysted:
https://www.youtube.com/watch?v=oqjKMd9CYI4&list=PLa1F2ddGya_87HJ72v_IgKUTNLIXSMfvB&index=49
I’d say it’s a ‘must watch!’
