In addition to the basic shapes like a
Advanced mode also supports extrude operations. The extrude operation generates a shape by extruding a 2D profile along the Z-axis. To create an extrude select the block from the
objects menu and add three or more
points from the
transformations menu. Then enter the height of the extrusion. The profile below is created by subtracting an array of cylinders from an extrusion.