+
+### Tetraflexagon
+
+Create a new tetraflexagon base file with the following command:
+
+```
+$ ./src/svg_tetraflexagon_editor.py
+```
+
+Open the generated file `inkscape-tetraflexagon-editor.svg` in Inkscape and add
+the squares content to the layers named *Square 1*, *Square 2*, *Square 3*.
+
+See the tetraflexagon being composed automatically and interactively.