Giant Spirograph Makes Mathematically Perfect Chalk Drawings On The Street
After struggling to use a little laser-cut spirograph, Nathan of HaHa Bird decided that the problem was scale-related and resolved to remedy the situation by building a massive version to use on the street, and it worked!
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MAKE Magazine and Instructables.com's Blog
MAKE Magazine and Instructables.com isn't a Goodreads Author
(yet),
but they
do have a blog,
so here are some recent posts imported from
their feed.
