Form tolerances limit the amount of deviation from a perfect geometric form, such as a line, circle, plane or cylinder. They control only features themselves, and not in relation to any other feature.
![](https://engineeringtechnology.org/wp-content/uploads/2023/11/Form-Tolerances-585x600.jpg)
Form tolerances limit the amount of deviation from a perfect geometric form, such as a line, circle, plane or cylinder. They control only features themselves, and not in relation to any other feature.