A simple rotating protocol yields a vertical column made of chestahedra in a spiral rotation very reminiscent of a DNA spiral.  It is interesting that the form is capable of producing a straight column in 3-space.

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Chestahedral columns
Chestahedral columns, with some artistic flair
Chestahedral column
Note the spirals
Chestahedral columns, rotation
A Chestahedral column, rotating around its axis

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