ANSI/NCSL Z540.3 standard, Scope; References; Terms and Definitions; General Requirements; Calibration System Implementation; and Calibration System Assessment and Improvement,Measurement decision risk criteria, Test uncertainty ratios NCSL International

: Precision techniques for taking accurate body measurements, understanding ease, and translating anatomical curves into flat lines.

Demystifies the scye (armscye) curve to allow complete arm mobility without pulling the torso.

For modern designers, the "better" way to use these PDFs is to trace over them digitally.