PTC Sites

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PTC Support

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PTC CAD Blog

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PTC Community 

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Precision LMS

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PTC Learning Connector

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Other

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MCAD Central

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Olaf Corten's ProESite

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Beyond PLM

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CAD History

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Tristar

My recommended Value-Added Reseller (VAR) for Creo and Windchill. Disclaimer: I worked for them until 2007.

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Center for Advanced Manufacturing and Innovative Design

Part of the Florida Institute of Technology and home of Dr. Michael Grieves, author of "Product Lifecycle Management."

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Engineering.com

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Machine Design

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