DULLIN, EricOUARET, SeddikMAY, PaulD.S. Greenaway and E.A. Warman2015-09-292015-09-2919821017-4656https://doi.org/10.2312/eg.19821022"POK" is provided, through a purposely designed measuring appliance, for digitizing (in cylindrical coordinates) skew three-dimensional patterns in an automatic way as well as for carrying out an interactive 2D processing of their schematic representations (projections, developed views) (1). Besides, a two-directional relation between the three-dimensional shape and the given 2D representation is made possible by the system : drawing on 3D pattern from 2D digitizing on a board. 2D drawing from 3D digitizing on the very pattern.10.2312/eg.19821022