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convert3dm Version 80 (2417003088) Copyright © 2021-2014 Robert McNeel & Associates
Convert3dm is a simple command-line utility that reads a 3dm file and writes a new 3dm file using the specified file version.
Convert3dm support Rhino file versions 1 through 8.
convert3dm input.3dm output.3dm [–version=0] [–log=logfile_path]
If the optional –version argument is not specified, a version 80 file is written. If an error or warning occurs during conversion, this program ends with exit code 1. Successful conversion ends with exit code 0.