Method of making an intaglio three-dimensional solid sculpture

Details Method of making an intaglio three-dimensional solid sculpture Method of making an intaglio three-dimensional solid sculpture

1995-05-01

1998-06-09

Epstein, Henry F.

Stock material or miscellaneous articles

Decorative article

156 59, 434 82, B44C 306

Patent

active

057631026

ABSTRACT:
A sculpture provided with a concavity carrying a relief negative impression of a formation representing a true object, the formation having selected features of proportion:ratio selectively of height:width, of length:width and of depth:width different (1.3:1) compared to the corresponding proportion:ratio of the true object as 1:1. Observing the sculpture under a light source while moving provides a three-dimensional virtual illusion where the sculpture appears to move in the direction of movement of the observer, like following the observer. The process of making the sculpture involves the steps of forming a true sculpted copy of the formation; forming a first alginate/plaster mask carrying a negative relief impression of the formation (the mask defined as a "mother mold" thereof); forming a second alginate/plaster mask using the "mother mold", the second mask carrying a positive relief impression of the negative relief impression carried by the "mother mold" (the second mask comprising a "master mold"), thereafter forming the sculpture by casting using the "master mold". The "master" mold can be reused repeatedly to produce a plurality of copies of the sculpture.

REFERENCES:
patent: D163853 (1951-07-01), Cerracchio
patent: 339334 (1886-04-01), Searle
patent: 1902627 (1933-03-01), Elbogen
patent: 2334750 (1943-11-01), Cerracchio
patent: 2663960 (1953-12-01), Cerracchio
patent: 4397701 (1983-08-01), Johnson et al.

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