The Product button opens the Product Category menu.

The Bonding buttons fill the main viewing area with the selected product and mortar. Options include Stack Bond, Running Bond and 1/3 Bond.

The Zoom buttons increase or decrease the magnification factor. You can see the current magnification factor at the bottom right of the screen.

The Coursing button has 3 states. The first is the Standard Coursing style. Click once and it changes to Soldier Coursing. Click twice and it changes to Header bricks.

TIP - Use the Image/Fill Random option to mix in a percentage of a second like-sized material.