<?xml version="1.0"?> <model> <name>Disk Part</name> <version>1.0</version> <sdf version="1.6">model.sdf</sdf> <author> <name>Nate Koenig</name> <email>nate@osrfoundation.org</email> </author> <author> <name>Cole Biesemeyer</name> </author> <description> A hypothetical disk part that might exist in an industrial manufacturing setting. </description> </model>