Fill
====
+The feature Fill implements a boolean operation for filling of main objects by parts of tool objects.
+
+To perform a boolean opration Fill in the active part:
+
+#. select in the Main Menu *Features - > Fill* item or
+#. click **Fill** button in the toolbar
+
+.. image:: images/bool_fill.png
+ :align: center
+
+.. centered::
+ **Fill** button
+
+The following property panel will be opened:
.. image:: images/Fill.png
:align: center
.. centered::
- Fill definition
+ **Fill operation**
+
+- **Main Objects** contains a list of objects selected in the Object Browser or in the Viewer, which will be cut and filled by tool objects.
+- **Tool Objects** contains a list of objects selected in the Object Browser or in the Viewer, which will cut and filled the main objects.
+- **See preview** button shows a result of the operation.
+
+**TUI Command**: *model.addFill(Part_doc, mainObjects, toolObjects)*
+
+**Arguments**: Part + list of main objects + list of tool objects.
+
+Result
+""""""
+
+The Result of the operation will be a shape which is a fill of tool objects with main objects:
+
+.. image:: images/CreatedFill.png
+ :align: center
+
+.. centered::
+ **Fill created**
+
+**See Also** a sample TUI Script of a :ref:`tui_create_fill` operation.
