定義

• Set Lines.  Real or imaginary lines used by a hand engraver when laying out the design to be hand engraved. Set lines are useful in providing a reference for a ground line or a horizon if these are included in the design, and in keeping design elements and base lines for lettering parallel. Set points are also established (as at the corners of a triangle) to take measurements when reducing a drawing (cartoon) to the face of the die by triangulation.

  excerpted with permission from

  An Encyclopedia of Coin and Medal Technology

  For Artists, Makers, Collectors and Curators

  COMPILED AND WRITTEN BY D. WAYNE JOHNSON

  Roger W. Burdette, Editor

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