Bicycle Drawing Machine

Tonight, I must go home, move furniture and make room for our very own Bicycle Drawing Machine. (G, can you build one?) Ella’s head will explode.

Hat tip to Joseph Griffith.

5 Comments leave a comment below

  1. Hello!!! This is so cool too.

  2. Does anyone have a video of this? I would love to see it in action!

  3. Wow awesome – reminds me of a spirograph!