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At what size should geometry be created in a CAD system?

  • A.at whatever size fits the screen conveniently
  • B.at half size, doubling the dimensions afterwards
  • C.full size, with scaling applied when plotting
  • D.at the intended plot scale from the outset

Answer: C

Drawing everything at its real dimensions keeps the database a true model of the object, so any scale of output can be produced from it and queries return real lengths. Applying the scale at the plotter instead of in the geometry is the settled practice.

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