Adjust the orientation of the models in the family mold.
ViewCube click Front View to display the model in the same orientation as in the steps below.
. The Translate dialog appears.
to rescale the Model pane. 
. The Rotate dialog appears.

or
to rotate the selected model by steps of +90° or -90° about the X, Y or Z axes.
and click on the model to set the location as shown.

X -130
Y: 40
Z: 16
ViewCube click Bottom View to display the models in the same orientation as below. 
. The Align dialog appears.

In the next task, you will create a runner system for the mold.