Fantasia 2000 frame 3 letter word that defines frame. what is it?

Answer 1

Cel . "A cel, short for celluloid, is a transparent sheet on which objects are drawn or painted for traditional, hand-drawn animation. Celluloid was used for animation and film production up until the late 20th century, however, it burned easily and suffered from spontaneous decomposition, and was largely replaced by cellulose acetate plastics."