+:download:`Download this script <../../../examples/use_existing_faces.py>`
+
+Resulting mesh:
+
+.. image:: ../images/use_existing_face_sample_mesh.png
+ :align: center
+
+
+.. _tui_prism_3d_algo:
+
+Usage of Extrusion 3D meshing algorithm
+########################################
+
+.. literalinclude:: ../../../examples/prism_3d_algo.py
+ :language: python
+
+:download:`Download this script <../../../examples/prism_3d_algo.py>`
+
+The result geometry and mesh is shown below
+
+.. image:: ../images/prism_tui_sample.png
+ :align: center
+
+
+.. _tui_quad_ma_proj_algo:
+
+Usage of Medial Axis Projection algorithm
+#########################################
+
+.. literalinclude:: ../../../examples/quad_medial_axis_algo.py
+ :language: python
+
+:download:`Download this script <../../../examples/quad_medial_axis_algo.py>`
+
+
+.. _tui_segments_around_vertex:
+
+Usage of Segments around Vertex algorithm
+#########################################
+
+.. literalinclude:: ../../../examples/defining_hypotheses_len_near_vertex.py
+ :language: python