When not selected, the tolerance value used for the conversion is the one that is currently specified for the model. The model tolerance value is defined in the Tolerance edit box under the Precision area of the General - Advanced category of Document Properties. When selected, the tolerance value can be specifically defined in the corresponding edit box.

When selected, these entities are converted into NURBS and their conversion is controlled by the tolerance value.

When selected, these entities are converted into NURBS and their conversion is controlled by the tolerance value.

When selected, these entities are converted into NURBS and their conversion is controlled by the tolerance value.

When selected, these entities are converted into NURBS and their conversion is controlled by the tolerance value.