+.. |projection.icon| image:: images/projection.png
Projection
==========
+| The Projection operation creates a projection of 3D edge or vertex onto the sketch plane.
+| The result of projection is a line.
-.. image:: images/Projection.png
+To create a Projection in the active Sketch:
+
+#. select in the Main Menu *Sketch - > Projection* item or
+#. click |projection.icon| **Projection** button in Sketch toolbar:
+
+Property panel:
+
+.. image:: images/Projection_panel.png
:align: center
.. centered::
- Create a projection
+ Projection
+
+Input fields:
+
+- **Object** is the 3D object (edge or vertex) to project onto the sketch plane.
+- **Include into the sketch result** option defines whether to include the projection line into the sketch result.
+
+**TUI Commands**:
+
+.. py:function:: Sketch_1.addProjection(EdgeOrVertex, IncludeIntoResult)
+
+ :param object: Edge or vertex.
+ :param boolean: Include into the result flag.
+ :return: Result object.
+
+.. py:function:: Sketch_1.addProjection(EdgeOrVertexName, IncludeIntoResult)
+
+ :param object: Edge or vertex name.
+ :param boolean: Include into the result flag.
+ :return: Result object.
+
+Result
+""""""
+
+Created Projection appears in the view.
+
+.. image:: images/Projection_res.png
+ :align: center
+
+.. centered::
+ Created projection (purple line)
+
+**See Also** a sample TUI Script of :ref:`tui_create_projection` operation.
\ No newline at end of file
