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Can you please separate the top and bottom into separate STL files? My printer is not large enough to do them both, and I'm afraid that if I use Sketch Up to delete one, and then generate new STL files, the revised STL files will not print properly. Of course, if there is any easy way in Repetier-Host to remove one of the pieces, I could do it there, but I did not see an option for that.

Thank you.