6 The feature Common implements a boolean operation for extraction of a common part from a set of selected shapes.
8 To perform a boolean opration Common in the active part:
10 #. select in the Main Menu *Features - > Common* item or
11 #. click **Common** button in the toolbar
13 .. image:: images/common_btn.png
19 The following property panel will be opened:
21 .. image:: images/Common.png
27 - **Main Objects** contains a list of objects selected in the Object Browser or in the Viewer, which will be common with tool objects.
28 - **Tool Objects** contains a list of objects selected in the Object Browser or in the Viewer, which will be common with main objects.
29 - **See preview** button shows a result of the operation.
31 **TUI Command**: *model.addCommon(Part_doc, mainObjects, toolObjects)*
33 **Arguments**: Part + list of main objects + list of tool objects.
38 The Result of the operation will be a shape which is a common for all selected shapes:
40 .. image:: images/CreatedCommon.png
46 **See Also** a sample TUI Script of a :ref:`tui_create_common` operation.