https://forums.autodesk.com/t5/3ds-max-forum/max-2016-groups-cause-viewport-slowdown/m-p/5683750#M88746 <P>A student sent me a max file and it was unusable in 2016. CPU and GPU were both idle, but Max looked like it hanged for minutes at a time. I opened it in Max 2015 and it was silky smooth.</P><P>&nbsp;</P><P>I couldn't understand what's wrong and then I remembered this post... His file has many nested objects. Max 2016 is truly unusable in that scenario.</P><P>&nbsp;</P> Thu, 18 Jun 2015 20:15:33 GMT eodeo 2015-06-18T20:15:33Z