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Where You Put That Triangle!
Placement of the new datum feature
symbol (triangle) can be critical. In the first three views
below the datum feature symbol is associated with the size
dimension of a feature of size. They indicate that a datum
axis should be established using the feature
indicated.
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In the view below,
the datum may be interpreted as a line lying in a plane
tangent to the feature indicated. If line contact is
desired a datum target line should be
indicated. |
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