Design Simulation Technologies is dedicated to supporting its customers.

Support, Maintenance, and Update contracts are available for SimWise 4D, Dynamic Designer Motion and Working Model 2D professional/commercial customers. For more information, email

Customers with current maintenance contracts can contact technical support via email or phone Monday to Friday, 8:00 am to 5:00 pm EST.

Technical support for customers without maintenance contracts is available via our support forums.

Email (preferred):

  • SimWise 4D -

  • Dynamic Designer Motion -

  • Working Model 2D -

  • Interactive Physics -

Phone: 1-800-766-6615 (toll free within the US)
extension 802 or press 1

Phone: +1-734-446-6935 (international customers)
extension 802 or press 1

Fax: +1-734-259-4207

Check our support forums for frequently asked questions.