![]() To get a complete phone model, it has to be scanned from the front and from the back side. The telephone with reference points is presented in Figure 3, and the scanning procedure in Figure 4. Because of the need to apply titanium dioxide on the phone, adhesive tape is used to close all the openings on the phone housing prior to applying the spray in order to avoid possible damages. If the measuring object is transparent or has a very reflective surface, then the surface needs to be treated by titanium dioxide powder. The reference points with the stereo setting of cameras enable easy determination of the current position of the 3D scanner in relation to the measuring object as well as automatic matching of individual scans into a complete model. ![]() The first step of 3D scanning is the preparation of the object which means that it is necessary to remove from the measuring object all the contaminants that could cause wrong geometry and it is necessary to paste the reference points on the object of measurement.
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