The Ohio State University - A Short History of ACCAD

including Cranston/Csuri Productions

Institute of Robotics and System Dynamics, FF-DR-RS

German Aerospace Center - DLR

Visit 3D Cafe

SpaceCubes

Sculptor.org - A Comprehensive Resource for Sculptors

Viewpoint Datalabs

International Guild of Glass Artists

Hays Gallery

See and Show art in the ARTViSiON Studios and Gallery

Prof. George W. Hart's "Pavilion of Polyhedreality"

The KnotPlot Site


Rob's Puzzle pages archive

MindSports - abstract games and puzzles


Mathematical Art

interlocking puzzles Web Site

Go to Tom Longtin's Home Page