Parallel constraint
===================
+
+Parallel constraint fixes two lines as parallel to one another.
+
+To create a Parallel constraint in the active Sketch:
+
+#. select in the Main Menu *Sketch - > Parallel* item or
+#. click **Parallel** button in Sketch toolbar:
+
+.. image:: images/parallel.png
+ :align: center
+
+.. centered::
+ **Parallel** button
+
+Property panel:
+
+.. image:: images/Parallel_panel.png
+ :align: center
+
+Input fields:
+
+- **First line** is the first line selected in the view.
+- **Second line** is the second line selected in the view.
+
+After the lines are selected **||** sign will be added to each of them in the view.
+
+**TUI Command**: *Sketch_1.setParallel(Line1, Line2)*
+
+**Arguments**: 2 line objects
+
+Result
+""""""
+
+Created Parallel constraint appears in the view.
+
+.. image:: images/Parallel_res.png
+ :align: center
+
+.. centered::
+ Created parallel constraint
+
+**See Also** a sample TUI Script of :ref:`tui_create_parallel` operation.
\ No newline at end of file
