Wasn't it Edee who wrote:
>In the snippet below, the object rotate does not rotate when a variable
>value but works with a fixed value.  It appears to be always set to zero
>(no rotaion0 when a variable is used.  The goal was to create a spiral
>series of I-beams.  Can anyone help me with what I am doing wrong?
>thanks
> ...
>        rotate <0,90,0>

You're rotating each beam by the same amount. To rotate each beam
differently you need to use something like this

        rotate <0,90-i*rrate*180/pi,0>

Note that "rotate" uses degrees, but rrate is in radians, hence the
*180/pi.

-- 
Mike Williams
Gentleman of Leisure

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