921 Leong Chen Chit’s 20 Intersecting Cubes

Posted by wonko on March 3, 2018 in geometry |

When I first saw this modular, it broke my brain, but knew I wanted to fold it. I looked and looked for instructions and finally reached out to Leong Chen Chit, through connections to Sydney Origami Group on fakebook:

Units for this model are folded from an ‘almost’ half a4 sheet, through an ingenious geometric construction you get a fan fold that can then be mutated into the basic unit.

Construction was … well … baffling. It took me many attempts before I finally “got” how the units interrelate and master the locking mechanism. The units when combined gently curve eventually becomes spheric.

I like this a lot, and will re-fold it without the construction lines so it is cleaner. I thank Leong for the opportunity to fold this model, and once again praise that thing that is the Internet, for connecting a noob (me) to a master.

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  • D Hammond says:

    I could kiss you! I’ve been looking for the crease pattern for this piece for months! Your post has given me just enough hints at how to make this while still leaving it a wonderful puzzle to figure out thankyou!

  • D. Eakle says:

    Thanks for this—I was looking for a pattern for this model. Thanks to you I was able to figure it out. For anyone interested, I’ve calculated the proportions of the paper to be (the square root of 5) x 6—or to a very close approximation, 5.6 x 15. (Using centimeters, this is a good size)

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