To set the origin of the coordinate system for a B-axis turn/mill feature, select
B-axis fixture location in the attributes list and use the
Pick point
button to pick the location in the Graphics window.
When it is set, the B-axis fixture location point is used as the origin instead of the natural anchor for the B-axis feature.
Note: This attribute is shown only when the feature is on the OD (B !=0).
Note: If B == 90, then it is shown only if
Use coordinate transformation for B-axis on OD is selected in
XBUILD.
Note: This attribute is dominant if it is set and
Offset fixture to feature origin is selected in
XBUILD.