Unless otherwise specified, the limits of size of a feature prescribe the extent within which variations of geometric form, as well as size, are allowed. This control applies solely to individual features of size as defined in para. 1.3.17.
2.7.1 Individual Feature of Size (Rule #1).
Where only a tolerance of size is specified, the limits of size of an individual feature prescribe the extent to which variations in its geometric form, as well as size, are allowed.
fig. 2-5 relating dimensional limits to an origin surface the origin surface the origin
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