Hi Mike, yeah the multi-core use for mesh export can tend to make a greater spike in the amount of memory used at any one point in time, since for example processing 6 things in parallel requires 6 times the amount of memory used all at once.

There are a couple of things that I have on my list to tune-up on that export to try and conserve some memory.

If you're running into it often you can limit the number of cores to be used as described here: http://moi3d.com/forum/index.php?webtag=MOI&msg=5124.16

That won't really be as much of an issue for the display since generating an export mesh on a big surface like a long tube or something requires a whole lot more memory to process than the display mechanism needs to use.

- Michael