The following group codes apply to tolerance entities.
Tolerance group codes
Group code
Description
100
Subclass marker (AcDbFcf)
3
Dimension style name
10
Insertion point (in WCS)
DXF: X value; APP: 3D point
20, 30
DXF: Y and Z values of insertion point (in WCS)
1
String representing the visual representation of the tolerance
210
Extrusion direction (optional; default = 0, 0, 1)
DXF: X value; APP: 3D vector
220, 230
DXF: Y and Z values of extrusion direction (optional)
11
X-axis direction vector (in WCS)
21, 31
DXF: Y and Z values of X-axis direction vector (in WCS)