Feature control frames now support the use of additional symbols specified by the 2012 revision of ISO 1101.
The additional symbols are for:
- Median feature
- Between
- From .. To
- Unequally disposed tolerance zone
- Any longitudinal section
- Contacting feature
- Variable distance (for common datum)
- (situation feature or type) Point
- (situation feature or type) Straight line
- (situation feature or type) Plane
- For orientation constraint only