From: Tom Richards (
Date: Tue Feb 24 1998 - 05:28:15 EET


My approach is

Resolution: Measure the radius at the intersection of two and/or three planes.

Accuracy: Measure enough parts to establish the process capability to print
tolerances, in the x, y, and z directions.

Surface finish: Compare your RP parts at 45 degrees to and parallel to the
build plane with the usual machioning standards, or use instrumentation.

Best Regards,

Tom Richards, Metallurgist

At 08:09 PM 2/20/98 -0800, you wrote:
>Has someone finally developed definitions for feature size, dimensional
>accuracy, etc.?

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