Geometrical tolerancing
| Characteristic | Specification | Symbol | Unicode character | Datum needed | 3D Rendering for lines | 3D Rendering for surface |
|---|---|---|---|---|---|---|
| Position | Location |
|
U+2316 | Yes | ||
| Concentricity for centre points | Location |
|
U+25CE | Yes | ||
| Coaxiality for median lines | Location |
|
U+25CE | Yes | ||
| Symmetry | Location |
|
U+232F | Yes | ||
| Line profile | Location |
|
U+2312 | Yes | ||
| Surface profile | Location |
|
U+2313 | Yes |