12 May 2014

5 - Hypar hat and Star

Star made of Five Hypars

 Hat made of 5 hypars.

Hypars are widely used in architectural design. The roof of Girls' Grammar school in London has been designed like above 5 - hat.

Hypar is short form for hyperbolic paraboloid. As given in this link - http://erikdemaine.org/hypar/ I glued 5 hypars to make a hat and a star.

I used printer papers for this. It's a very simple design and can be used to decorate Christmas tree or as a Diwali lantern (akash butti) during Diwali.

Interesting read:  http://erikdemaine.org/curved/history/

Five hypars

Five hypars stacked - like Pringles chips.

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