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  • Users: piznal
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  1. piznal

    Datum display

    Is anyone familiar with displaying datums in 2-D drawings. Specifically, if a datum axis is defined in the model ("set datum"), and placed, for example, "on feature" on the I.D. surface of a hole, the datum shows up in the drawing views that are "end on" to the datum axis itself (drawing plane...
  2. piznal

    Symmetric dimensioning

    A simple situation, but I have not found explicit reference to it: - Entirely symmetric part with many mirrored features. - I believe functional (mating) emphasis requires horizontal dimensioning relative to a part center-line (planar primary and secondary datums, with tertiary datum plane of...

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