This issue's cover is by Todd Sheridan of GlyphX, Inc., done with 3D Studio r4 (DOS). On pages 20-21, he explains how he sculpted the cover model in Plastilina clay, digitized it, cleaned up the wireframe, and applied exact and subtle mapping. He includes a stereogram made from the same model and, on page 36, explains how you can make your own stereograms on PCs.
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