The following group codes apply to revolved surfaces.
| Revolved Surface group codes |
|---|
| Group code | Description |
|---|
| 100 | Subclass markar (AcDbRevolvedSurface) |
| 90 | ID of revolve entity |
| 90 | Size of binary data |
| 310 | Binary data |
| 10, 20, 30 | Axis point |
| 11, 21, 31 | Axis vector |
| 40 | Revolve angle (in radians) |
| 41 | Start angle (in radians) |
| 42 | Transform matrix of revolved entity (16 reals; row major format; default = identity matrix) |
| 43 | Draft angle (in radians) |
| 44 | Start draft distance |
| 45 | End draft distance |
| 46 | Twist angle (in radians) |
| 290 | Solid flag |
| 291 | Close to axis flag |