After seeing some of my other mathematical Lego sculptures, a couple of people asked about a Klein bottle, so...
This one hinges open so that you can see its digestive tract. I changed brick colour at the top and bottom to show up the intersection where the tubes cross better. Not because I didn't have enough bricks left in any one colour. Really, honest. Well, OK - it was because I didn't have enough bricks left in any one colour. Apart from the hinges, the bottle is constructed out of standard 1xN and 2xN bricks.
A mathematician named Klein
Thought the Mobius strip was divine
He said "If you glue
The edges of two
You can make a strange bottle like mine".
The truth of the limerick can be seen in the main photograph - each half of the bottle is topologically a Mobius strip (and yes, the gap does run all the way round the inner tube at the bottom).
Building this took forever - partly because I was generously recording every brick in MLCad so that I could give you this LDRAW .DAT file for (just
one half of) the bottle . If anyone else out there has sufficiently little of a life that they build one of these, please let me know!
The pictures on this page are Copyright © A. Lipson 2000
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This page last modified 2nd April 2005