Used to create a mat boundary by clicking on grid intersection nodes. To close the polygon, simply click on right mouse button or click on the first point.

If the mat slab is imported from STAAD.Pro, this icon allows you to create a mat boundary by clicking on plate nodes.

Used to create a rectangular shaped mat boundary by clicking on grid intersection nodes. Click on the first point to define top, left corner of the rectangle and then draw a rubber band and release mouse on a grid intersection point which will define bottom right corner of the rectangle.

Used to create a circular shaped mat boundary by clicking on grid intersection nodes. Click on the first point to define the center of the circle. Drag the mouse and release on another grid intersection point on circle perimeter. The distance between center and this point will be the radius of the circle.

Used to delete piles outside the boundary for mat on piles. All the piles outside the selected boundary will be deleted from the project.

Draw all the designed footings to actual scale. This is useful for checking for interference.

Also this step is the first step for creating footing groups. Select all the footings by clicking left mouse button while holding <Ctrl> key and the click on Create Group tool to make all those footings of one group.