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Computer-aided-engineering (CAE) approaches to modeling of biological objects are limited due to the extensive amount of manually entered geometric data needed to accurately represent the object. A solution to this problem combines a CAE program with cursor position data entry, a terminal emulator with graphic overlay capability, and image analysis software. This combination aided the developing of the geometry for a finite element model of a whole wheat kernel from 35 mm slides of serial cross-sections. The geometry was defined in less time than conventional methods and has great potential as a data entry aid in developing models of agricultural and biological materials.