The Twelfth Solid Freeform Fabrication (SFF) Symposium, held at The University of Texas
in Austin on August 6-8, 2001, was attended by over 130 national and international researchers.
Papers addressed SFF issues in computer software, machine design, materials synthesis and
processing, and integrated manufacturing. The diverse domestic and foreign attendees included
industrial users, SFF machine manufacturers, university researchers and representatives from the
government. The Symposium organizers look forward to its being a continuing forum for technical
exchange among the expanding body of researchers involved in SFF.
A special plenary session on the state of SFF was organized to present overview talks on
various aspects of the field. Invited speakers were Joseph Beaman (University of Texas) who gave
a historical perspective, Emanuel Sachs (MIT) who related SFF to manufacturing, Phill Dickens
(DeMontfort University) who gave a presentation on the role of SFF in design, Kevin Lyons
(NIST) who spoke on software developments and Fritz Prinz (Stanford) who discussed the future
The Symposium was again organized in a manner to allow the multi-disciplinary nature of
the SFF research to be presented coherently, with various sessions emphasizing modeling, process
development, and materials. We believe that documenting the changing state of SFF art as
represented by these Proceedings will serve both those presently involved in this fruitful technical
area as well as new researchers and users entering the field.
The editors would like to extend a warm “Thank You” to Rosalie Foster for her detailed
handling of the logistics of the meeting and the Proceedings, as well as her excellent performance as
registrar and problem solver during the meeting. We would like to thank the Organizing
Committee, the session chairs, the attendees for their enthusiastic contributions, and the speakers
both for their significant contribution to the meeting and for the relatively prompt delivery of the
manuscripts comprising this volume. We look forward to the continued close cooperation of the
SFF community in organizing the Symposium. We also want to thank the Office of Naval
Research (N00014-01-1-0637) and the National Science Foundation (DMI-0117072) for
supporting this meeting financially. The meeting was co-organized by the University of
Connecticut at Storrs, and the Mechanical Engineering Department, Laboratory for Freeform
Fabrication and the Texas Materials Institute at The University of Texas at Austin.
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