Noncontact digitizing, a new wave of prototyping.

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By optically projecting intersecting grid patterns onto a compound model
part, manufacturers can quickly machine a transcript of the part, check
quality, or modify CAD data.

Manufacturers can shorten yield development by digitizing with optical
image sensors to propagate with high accuracy complex free-form surfaces.
One of the like kind optical sensor from Pace Optical trial & Measurement, Phoenix,
combines Moire techniques with triangulation rules to record up
to 300000 point coordinates from single angle of view.

Triangulation calculations surpass the limitations of conventional