How does the optical system of a structured light 3D scanner work?

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Hello, can anyone explain me how optical system of a structured light 3d scanner like this one works? I tried to google it, but still didn't understand how it get's Z coordinate.
 

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SnPtL said:
Hello, can anyone explain me how optical system of a structured light 3d scanner like this one works? I tried to google it, but still didn't understand how it get's Z coordinate.
Welcome to the PF. :smile:

That same website has more information on how to do the 3-D scans...

https://artecgroup.zendesk.com/hc/en-us/categories/201309909-Scanning
 

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