Sándor Kabai is a mechanical engineer specializing in aviation and manufacturing engineering. He is also a member of the Association of Users of Visualisation Software, Geometry and Space Research Team, an interdisciplinary group hosted by various universities in Hungary. Some of Mr. Kabai's work can be viewed at the following web sites.
http://members.tripod.com/vismath5/kabai/index.html
http://turing.mi.sanu.ac.yu/vismath/kabai1/index.html