ISO 10303-214:2010(E)
A Projection is a condition where a Tolerance_zone is projected from an element of a part. The projection is external to the part and made from one of the ends of the element for a specified length.
NOTE The concept of projected tolerance zones is defined in ISO 10578 [20].
A Projection is a type of Tolerance_zone_definition.
The data associated with a Projection are the following:
The projection_end specifies the Shape_element from which the tolerance zone is projected.
See projection to shape_element for the application assertion.
The projection_length specifies the distance from the projection_end where the Geometric_tolerance shall be measured.
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