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I am certainly impressed with the dynamic aspect in this definition of a bellows design.
It is a single sketch capable of significant number of cells while remaining dynamic.
The OD and ID convolution radii are equal and the paired line segments are equal. The line length is the same as the arc length.
A group of cells in the lower half are mirrored to the upper half in the sketch.
Creo 2.0 full version attached
