The paper presents the bases of a methodology for obtaining a 3D solid model by three-dimensional scanning. The three-dimensional scanning has been available for more than 15 years; and yet, some people have heard of it but a few are familiar with the applications of this technology. 3D scanning is also known as 3D digitization, its name coming from the fact that it is a process that employs a contact or non-contact digitizing feeler in order to capture the form of objects and recreate them as 3D graphic representations in a virtual work space through a very dense network of points (xyz). By means of certain specialized programmes, we can obtain not only the tool’s geometric parameters that can be compared with the obligatory parameters, but also a direct evaluation of the geometric deviations from ideal values.
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