Wednesday, September 30, 2009

 

Origami: Menger Sponge using Penultimate modules

I saw this and wanted to build my own.
The site didn't have instructions but it had some pointers:

1) The structure is called Menger Sponge.
I like this and initially wanted to build a level 2 or 3 version.

2) The modules are called penultimate module done by Robert Neale.
This site has a very good intro. This page, within that same site, has very good info about how to build the square version of the penultimate module which when assembled together makes a cube.
When I started building this module, I felt that it was too much trouble to start with a 4:3 ratio rectangular sized paper because all the origami paper I had were squares, 150x150mm to be exact. I also didn't like that I had to cut the ends so I left it. As I put the modules together my changes didn't affect the cube at all so I went with my changes.

After a few cubes, I finally decided to build the sponge based on that one picture I saw. :)

Starting out...


This reminds me of the Death Star from Star Wars: Return of the Jedi but I call it the Death Cube. :)



Almost done...



Done!



Another angle:



I had a good time building this and enjoyed figuring it out. My wife also helped me a lot folding the modules as I assembled it.

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