Surface-Based Features

	Create a Split: Click this icon, select the body to be split then the splitting element.
	Create a Thick Surface: Click this icon, select the object to be thickened, define the offset directions and enter offset values.
	Create a Close Surface: Click this icon, select the body and select the object to be closed.
	Create a Sew Surface: Click this icon, select the body and the surface to be sewn.