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By George Hart for the Museum of Mathematics

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Inexpensive light sticks can be held together with rubber bands to make glowing geometric structures. Here’s a construction based on the truncated dodecahedron, with a tetrahedron over each triangle. Assembling it is a fun group activity.

The design called for 170 light sticks, including the twenty which stick out from the tetrahedra.

It came out pretty much according to the plan, with some strings to suspend it from the ceiling.

See a brief Light Stick Construction video

More:
See all of George Hart’s Math Monday columns

Gareth Branwyn

Gareth Branwyn

Gareth Branwyn is a freelancer 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 for Boing Boing and WINK Books. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.


  • John Wood

    What are these sticks of light you speak of?  

    Also, why isnt the video on youtube? 

  • Hans Hurlebaus

    OK, you can do it, but it is not oekological…why “lieghted”?
    You can do it  with wood, or paper or…
    but this?