How do I choose the default brick material for new polygons?

Geometry Elements- Dielectric Bricks

You choose the default brick material of new polygons by selecting a default brick material. To do this, perform the following:

1. Select Circuit => Brick Materials from the project editor main menu.

2. In the Brick Materials dialog box which appears, select a brick material from the Default for add bricks drop list in the upper right hand corner of the dialog box. Whichever brick material you select is used for any new brick polygons added to the circuit.

3. Click on the OK button to close the dialog box.