The Riso Color Sciences Multipack is a set of color charts I use for my personal printing and a guide to how and why I print using halftone dots and markers.
The guide is written for Photoshop - but I explain the principles you can use in other software, such as how (and WHY) to set up screentone patterns manually.
This guide is intended for artists and people interested in risograph art. It's an intermediate-level guide but will be very interesting and useful for curious or ambitious beginners.
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Each set includes four "faux-CMYK" screentone test cards, one Copic marker print chart, two sample prints, and a booklet with instructions/explanations of how I made them and why I approach color-mixing this way.
Every year I tweak the contents of the Multipack a little bit. I print the sample cards in relatively short batches and renew with different combinations. I always include some classics and at least one slightly weird chart. It's fun to try new things and the point is I hope you are inspired to make your own!!