3d digitizer design overview
touch probe
1st laser scanner
2nd laser scanner
3rd laser scanner
touch probe scanner
(designed in 2000)


- mechanical scanning
- very slow
- very high resolution
- high accuracy
1st laser scanner
(designed in 2002)


- sweeping laser
- open scanning system
- no calibration
- low resolution camera
- line laser >1mm width
- low resolution
- low accuracy
2nd laser scanner
(designed in 2005)


- 360 object scanning
- enclosed scanning system
- no calibration
- high resolution camera
- line laser >1mm width
- medium resolution
- low accuracy
3rd laser scanner
(designed in 2006)


- sweeping laser
- open scanning system
- automatic calibration
- low resolution camera
- line laser <1mm width
- medium resolution
- medium accuracy