To create a basic rectangular slab

Select

(Slab ).

The Slabs opens.

Set options on the Slabs tab to define dimensions and assignment information for the slab.

Place your slab using one of the following methods:

Option	Description
Insert Polygon by Points	Define the shape of the slab by clicking existing points on your model.
Insert by Selected Polygon, Circle, or Arc	Define the shape of the slab by selecting an already drawn polyline in your model. Define the shape of the slab by selecting an already drawn smartline in your model.
Insert Rectangular Slab by Insertion Point	Place a rectangular shaped slab on your model using dimensions set up in the tool's dialog box.
Insert Rectangular Slab by Selected Diagonal	Define a slab by picking two existing parallel lines from within your model.
Insert Rectangular Slab Along a Line	Place a rectangular slab along an existing line.
Insert Rectangular Slab by Four Points	Define the slab by selecting four existing points from your model.

Note: For most placement options, the size of the slab is determined by your placement options ? the points you click or the shape you select. The Insert Rectangular Slab by Insertion Point and Insert Rectangular Slab Along a Line options use dimensions and insertion settings from the Slab dialog box.