Their apparatus used three - dimensional miniature sets built to the scale of the animation artwork .
The technicians at Fleischer Studios created a distantly related device , called the Stereoptical Camera or Setback , in 1934 .
technicians ' apparatus used three - dimensional miniature sets built to the scale of the animation artwork .
The technicians at Fleischer Studios created a distantly related device , called the Stereoptical Camera or Setback , in 1934 .