| Converting from IGES to think3 | A general explanation about how to convert IGES drawings to think3. |
| Conversion table | The conversion table which lets you know if an IGES entity can be converted to a think3 entity, and, if it can, which the corresponding entity is. |
| Converting from think3 to IGES | A general explanation about how to convert think3 drawings to the IGES format. |
| Conversion table | The conversion table which lets you know to which IGES entities think3 entities are converted. |