Autodesk 235B1-05A761-1301 - AutoCAD MEP 2010 User Manual page 703

value of D1 to Model Parameters in the part browser. The software also adds a diameter dimension
(D2) to Size Parameters and a second connector to Connections.
7 To specify the third connection point, right-click Connections in the part browser, click Add
Connection, and select the connector location on the end of the branch.
8 Press ENTER to accept the default value for the third connector number.
9 Pick a location to the left of the model to place the dimension of the circular profile of the
branch in the model.
TIP Turn off object snaps if you are having problems selecting a position off the model.
Building Parametric Fittings Using Content Builder | 685