+.. |fillet.icon| image:: images/fillet.png
+
+.. _featureFillet:
Fillet
======
+**Fillet** feature creates fillets on the edges of a shape.
+
+To create a Fillet in the active part:
+
+#. select in the Main Menu *Feature - > Fillet* item or
+#. click |fillet.icon| **Fillet** button in the toolbar
+
+There are 2 types of fillet:
+
+ .. image:: images/fillet_fixed_radius.png
+ :align: left
+ fillet by fixed radius
+
+ .. image:: images/fillet_var_radius.png
+ :align: left
+ fillet by variable radius
+
+Fillet by fixed radius
+----------------------
+
+The property panel is shown below.
-.. image:: images/Fillet.png
+.. image:: images/FilletFixed.png
:align: center
.. centered::
- Fillet by fixed radius
+ Fillet by fixed radius property panel
+Input fields:
-.. image:: images/Fillet2.png
+- **Faces or/and edges** panel contains filleted faces and edges. All edges of a face are subject to fillet operation. Faces and edges are selected in 3D OCC viewer;
+- **Radius** defines fillet radius.
+
+**TUI Command**:
+
+.. py:function:: model.addFillet(Part_doc, [face,edge], radius)
+
+ :param part: The current part object.
+ :param list: A list of faces and edges subject to fillet operation in format *model.selection(TYPE, shape)*.
+ :param number: Radius value.
+ :return: Created object.
+
+Result
+""""""
+
+Result of **Fillet by fixed radius** is shown below.
+
+.. image:: images/fillet_fix_rad.png
+ :align: center
+
+.. centered::
+ Fillet by fixed radius
+
+**See Also** a sample TUI Script of :ref:`tui_create_fillet1` operation.
+
+Fillet by variable radius
+-------------------------
+
+Alternatively, there is a possibility to create a fillet with a variable radius.
+
+.. image:: images/FilletVarious.png
:align: center
.. centered::
- Fillet by varyable radius
+ Fillet by variable radius
+
+Input fields:
+
+- **Faces or/and edges** panel contains filleted faces and edges. All edges of a face are subject to fillet operation. Faces and edges are selected in 3D OCC viewer;
+- **Start radius** defines the fillet radius at the start of the selected edge(s);
+- **End radius** defines the fillet radius at the end of the selected edge(s).
+
+**TUI Command**:
+
+.. py:function:: model.addFillet(Part_doc, [face,edge], R1, R2)
+
+ :param part: The current part object.
+ :param list: A list of faces and edges subject to fillet operation in format *model.selection(TYPE, shape)*.
+ :param number: Start radius value.
+ :param number: End radius value.
+ :return: Created object.
+
+Result
+""""""
+
+Result of **Fillet by variable radius** is shown below.
+
+.. image:: images/fillet_var_rad.png
+ :align: center
+
+.. centered::
+ Fillet by variable radius
+
+**See Also** a sample TUI Script of :ref:`tui_create_fillet2` operation.
