Toolbox
Geometrical tolerancing
The symbols of the geometrical characteristics, what they specify and which ones need a datum.
| Characteristic | Specification | Symbol | Unicode character | Datum needed | 3D Rendering for lines | 3D Rendering for surface |
|---|---|---|---|---|---|---|
| Angularity | Orientation |
|
U+2220 | Yes | ||
| Circular run-out | Run-out |
|
U+2197 | Yes | ||
| Coaxiality for median lines | Location |
|
U+25CE | Yes | ||
| Concentricity for centre points | Location |
|
U+25CE | Yes | ||
| Cylindricity | Form |
|
U+232D | No | ||
| Flatness | Form |
|
U+23E5 | No |