Explain the Dimension Origin Symbol

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Examlex · Accepted Answer

The Answer is The dimension origin symbol consists of a circle in place of an arrowhead on one end of a dimension line. The symbol denotes that a dimension between two surfaces originates from a plane established from one surface and not the other. The high points of the surface are designated as the origin and define the plane for measurement. The measurements are taken from the origin plane and define a zone within which the other surface must be located.

Explain the Dimension Origin Symbol

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