3D Laser Triangulation


Laser based 3D scanners use a process called trigonometric triangulation to accurately capture a 3D shape as millions of points. Laser scanners work by projecting a laser line or multiple lines onto an object and then capturing its reflection with a single sensor or multiple sensors.



Types of 3D Scanners and 3D Scanning Technologies:




  1. Short Range 3D Scanners Short Range 3D scanners typically utilize a Laser triangulation or Structured Light technology.


  2. Laser based 3D Scanners Laser based 3D scanners use a process called trigonometric triangulation to accurately capture a 3D shape as millions of points. Laser scanners work by projecting a laser line or multiple lines onto an object and then capturing its reflection with a single sensor or multiple sensors.



Benefits of 3D Laser Scanners:




  • Able to scan tough surfaces, such as shiny or dark finishes


  • Less sensitive to changing light conditions and ambient light


  • Often more portable


  • Simpler design – easier to use and lower cost


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