I don't seem to get them, like ever. So, I don't know. Perhaps you should save the various parts as .br5 files, and when you're finished, just use "merge" to put the parts together, then delete the .br5 files? That's what I mostly do with larger scenes, keeps my library presets from bloating. (Bryce doesn't truly delete objects from it's preset files, it just takes the thumbnail away) AgentSmith

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