In order to 3D print a prototype, there is an
important stage to go through. If we don’t have the digital representation of
our model we must scan it.
In order to collect the data there are many
ways to do it, but two methods stand in the front, the laser scanning and the
digitalizing. With the laser scanning, a laser line passes over the surface of
an object in order to record three-dimensional information without touching the
object. This method is mostly used for scanning organic shapes. On the other
hand digitalizing is a contact based form of 3D data collection and works by
touching a probe to various points on the surface of the object to record 3D
information. The latter method is commonly used for geometric shapes.
In the medical sector 3D scanners are used to
capture 3D shape of a patient in for instance orthotics or dentistry. Thus
Computer aided design and manufacturing (CAD/CAM) software is used to draw and
produce the orthosis, prosthesis or dental implants.
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