When a change is made on a part by not altering the print of the part but only changing the dimension, that dimension is labeled not to scale.

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If a change is made to a dimension on a part without altering the print, the new dimension will usually be labeled as "not to scale" to indicate that it is not an accurate representation of the size and should not be used for precise measurements. This is important to ensure that the part is manufactured correctly and meets the required specifications.

When a Change Is Made on a Part by Not