Tag: reference dimension

Dimensions Identified for Inspection

by Crystal Bemis on June 30, 2025.

What does it mean when a dimension is circled on a drawing—and how does it impact manufacturing? In this video, Jason explains the informal use of ovals as quality control symbols and what it means for how parts are made and inspected.

Reference Dimensions on True Position

by Crystal Bemis on June 17, 2024.

In this Question Line video, Jason walks through an assembly drawing to explain the scenario where a feature being controlled by position must have a reference size dimension rather than a tolerance on the size of the feature.