Geometrical tolerancing
| Characteristic | Specification | Symbol | Unicode character | Datum needed | 3D Rendering for lines | 3D Rendering for surface |
|---|---|---|---|---|---|---|
| Surface profile | Location |
|
U+2313 | Yes | ||
| LineProfile | Orientation |
|
U+2312 | Yes | ||
| Line profile | Location |
|
U+2312 | Yes | ||
| Line profile | Form |
|
U+2312 | No | ||
| Parallelism | Orientation |
|
U+2225 | Yes | ||
| Angularity | Orientation |
|
U+2220 | Yes |