M

Pattern-locating tolerance zone cylinders

Datum plane A

One possible displacement of Feature-relating tolerance zone cylinders

Feature pattern not shown

3-Datum-plane reference system

Pattern-locating tolerance zone framework (PLTZF)-

-Tolerance zonea of PLTZF (as a group) are-

perpendicular to A and basically related to B and C

Tolerance zones of PLTZF (as a group) are —* perpendicular to A and basically related to B

-Tolerance zones of PLTZF-

(as a group) are perpendicular to A

— Size of pattern-locating-tolerance zones at MMC

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