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Balls in the Hall

Author:
John Golden
Topic:
Dilation
No idea what to call this. Saw AM Stanford playing around with this kind of idea (http://amseastan.tumblr.com/post/138611460510/allergen). The rectangles are just dilations. The red ball is a constant radius of 1. The green ball was tricky to figure out. How would you make it proportional to the spaceing between the lines?

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