![Jason Long on Twitter: "I never realized there was a fractal structure to A3, A4, A5, etc. paper sizes. http://t.co/WR3UJVPPoC" / Twitter Jason Long on Twitter: "I never realized there was a fractal structure to A3, A4, A5, etc. paper sizes. http://t.co/WR3UJVPPoC" / Twitter](https://pbs.twimg.com/media/BakbcYWCQAEHPzn.jpg:large)
Jason Long on Twitter: "I never realized there was a fractal structure to A3, A4, A5, etc. paper sizes. http://t.co/WR3UJVPPoC" / Twitter
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Paper Sizes Vector. A1, A2, A3, A4, A5, A6, A7, A8 Paper Sheet Formats. Isolated Illustration | Paper size, Paper, Vector
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