Make your how cypher slide rule


On today’s episode of Bre Petis’ I Make Things, my pal Nick Farr of HacDC demonstrates the Polyalphabetic Substitution Cypher Slide Rule (PASCSR) he made and uploaded to Thingiverse. Thingiverse launches today, too. It’s a site, created by Bre and Zach Hoeken, where you can share your digital designs/object files with the world. Cool.

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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. His free weekly-ish maker tips newsletter can be found at

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