Chapter 6 -- ENTITIES Section
REGION

The following group codes apply to region entities. In addition to the group codes described here, see "Common Group Codes for Entities." For information about abbreviations and formatting used in this table, see "Formatting Conventions in This Reference."

Region group codes
Group codes Description

100

Subclass marker (AcDbModelerGeometry)

70

Modeler format version number (currently = 1)

1

Proprietary data (multiple lines < 255 characters each)

3

Additional lines of proprietary data (if previous group 1 string is greater than 255 characters) (optional)