hi I have another problem ... I saved a huge file with a whole model complete with all subdivision levels for all pieces, polypainting , and undo history ... tough the following problems : 1 if I try to decimate an item it freezes Zbrush 2 if I try to save the file Crashes 3 if I try to save the tool crashes 4 if I try to…
Just a shot in the dark but try the Go-Z option, hopefully it allows you to bring it into another application, then you can at least save the work and a stable format. Then make a new document add in each piece or I would save a new ZTL of each piece for safety reasons then save one with them all together. I'd probably…
Try disabling the option to load history when opening projects. Only save history when it is something you need. Try selecting a subtool and click the make poly mesh 3d button to make a clean clone with no history. Try exporting that as both a tool and obj.