Three-dimensional drawing tool

Details Three-dimensional drawing tool Three-dimensional drawing tool

1981-03-19

1982-08-10

Phillips, Charles E.

Geometrical instruments

Scriber

B43L 1300

Patent

active

043430910

ABSTRACT:
A drawing tool comprises a pair of transparent screens each defining a drawing surface on the underside thereof. A powderized etching composition is contained in a closed and sealed chamber beneath each drawing surface to fully coat the surface upon shaking of the drawing tool. An operator-controlled joy stick can be manipulated universally to simultaneously move drawing points along the drawing surfaces to scribe nearly identical two-dimensional designs thereon. An optical viewer mounted upon the screens enables the operator to stereoscopically view the individual images created by the designs as a three-dimensional image.

REFERENCES:
patent: 2561436 (1951-07-01), Bachmann
patent: 3055113 (1962-09-01), Grandjean
patent: 3468032 (1969-09-01), Smith
patent: 3760505 (1973-09-01), Clark
patent: 4251920 (1981-02-01), Cassagnes
"The Intelligent Eye", pp. 132-136, 1970, McGraw-Hill Book Co.
"Skedoodle", 1979, Hasbro Industries, Inc.

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