a three-dimensional model is obtained for a component based on two-dimensional radiographic ct anatomical images on which are marked reference points, and so on suppo reportedrto by optical reading paper.they are therefore derived shapes of each image on the transparent material which wax using plates of material thickness equal to that of the ct scan.so these silhouettes are superimposed in the same sequence of these scans, each of them is subjected to pressure balance.the equipment comprises a frame with edges graduated and sliders sliding according to cartesian axes to mark the points of reference and a plan of support for deriving these silhouettes and the calibratfor shapes (fig. 1).
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