Opens the chosen tool in the same way as when clicked on the related icon in the tool bar.
Subtracts the space occupied by the selected brush from all other brushes with whom the selected brush intersects.
Turns all faces of the selected brush into a solid wall with a thickness, that is specified in a popup dialog.
Puts all selected objects into a group, so they can be selected together by clicking at one group member.
Cancels the group status of all selected groups.
Transforms the selected brushes to an solid entity.
Transforms a solid entity back to a normal brush.
Opens the Replace Materials dialog.
If activated materials are locked and no longer automatically shifted if you move, resize, rotate or shear a brush and its faces.
Snaps the point of origin of the selection onto the nearest grid point.
Opens the Transform Type-In dialog.