"Tim Williams" wrote
"Spehro Pefhany" wrote in message
...
It's all the same surface.. Mobius Desk!

3D -- Klein.

Tim

IIRC, the Klein Bottle is NOT a 3-D object. A 3-D _model_ of
it requires a part of the tube bit to go pass through the wall
of part of the bottle bit, which disrupts things. I think I
read it's actually a 4-D object. After all, a Moebius band is
a 3-D object, and not 2-D.

True, a point on a Moebius band can be described by just 2 parameters
(distance around, and distance across) (again, IIRC), BUT the band still has
to reside in 3-D space.


Martin
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