When the Single-operand Boolean operation option is select in the Object combinations dialog, the following displays:

To perform this operation:
- Define the number of the complex object to be created from the selected objects.
- Select a single-operand operation.
- Indicate the required type of Boolean operation. The following types are available for single-operand operations: union, common part, exclusive alternative, or partition (using Solid Modeler).
- Define the list of objects to be considered when creating a complex object.
- Click Apply.
Robot creates a complex object based on the defined parameters. After the "<<" button is clicked, the Object Combinations dialog is enlarged and the definition of the newly-created complex object is entered in the additional field. The definition covers:
- Number of the complex object.
- Numbers of the component objects making up the complex object.
- Name of the logical (Boolean) operation.
Successive complex objects are displayed in the form of a tree.
To restore the original size of the dialog, click the ">>" button.
You can also define additional parameters for creating complex objects. After the Advanced settings button is clicked, a dialog displays that allows you to define the additional parameters.