today i looked a bit more into what´s happening on my machine while working with vectorworks. the day over i only worked in vectorworks. it didn´t  crash once but therefore my machine got slower and slower. even when i was working on the finder, moving windows, they seemed to get sluggish a closer look to the activity monitor showed that vw uses more than 11gig of memory. at that time there were 5 drawings opened. 3 of them contained 3d models and the views were set to open-g