@seachnasaigh - Animating the chair rocking is easy enough which is why I made the chair using the arc of a circle.  I was hoping that there was a way to use a dial that would perform both the rotation and translation at the same time.

@rokket - I am a vendor here and intend to sell these models so I was hoping to make the props as backward compatible as possible.  Personally I have Poser 6 and 8 to test my models in.

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