Is there an InstaLOD for iProps or a working methodology inside iClone. Perhaps there is a feature in the works? 

There doesn´t seem to be a simple option for reducing or increasing the poly count in 3DExchange Pro. 

Europafilms - Creative Studio

If you have CC, you can do it there, I believe.

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Heres some details from a ways back...

https://forum.reallusion.com/423420/InstaLOD-and-props-Tip-from-Warlord

Thanks for the link. 

Europafilms - Creative Studio