Stereophotographic process for producing works of sculpture

Details Stereophotographic process for producing works of sculpture Stereophotographic process for producing works of sculpture

1979-02-01

1980-12-16

Griffin, Donald A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156 58, G03B 3508, B44C 306

Patent

active

042393590

ABSTRACT:
Improvements in a stereophotographic process for producing works of sculpture by arranging a number of cameras and a number of projectors, each fitted with a screen having a number of parallel stripes, in a circle around an object so as to face the latter, taking pictures of the object simultaneously with the cameras while the striped screens are being projected thereon by the projectors, replacing the projectors and cameras by an increased number of projectors arranged in similar positions to face instead a mass of material to be modeled which is placed at the center, projecting the pictures as well as the screens fitted in the projectors on the mass of material, and then modeling the material until the stripes of the same sources on the screens and pictures projected are in coincidence on the material surface. The improved process is characterized in that each pair of adjacent projectors are fitted with pictures, one for each, or a picture for one and a screen for the other to match, when projected, on the material surface, either picture or screen being positive and the other being negative, only such matchable projectors are lighted to project stripes s'" which combine the stripes s' and s" of the positives and negatives in coincidence and also fringelike projections of unusual brightness and darkness appearing on both sides of the stripes s'" indications of unmatched stripes, and then the material is modeled by eliminating the portions represented by the projections until an original model of uniform lightness is reached.

REFERENCES:
patent: 891013 (1908-06-01), Smith
patent: 1527733 (1925-02-01), Heise
patent: 2350796 (1944-06-01), Morioka
patent: 3580758 (1971-05-01), Morioka

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