diff --git a/Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polyline_example/polylines_illustration.pdf b/Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polylines-wip-tests/examples_illustrations/polylines_illustration.pdf
similarity index 100%
rename from Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polyline_example/polylines_illustration.pdf
rename to Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polylines-wip-tests/examples_illustrations/polylines_illustration.pdf
diff --git a/Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polyline_example/polylines_illustration.tex b/Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polylines-wip-tests/examples_illustrations/polylines_illustration.tex
similarity index 100%
rename from Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polyline_example/polylines_illustration.tex
rename to Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polylines-wip-tests/examples_illustrations/polylines_illustration.tex
diff --git a/Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polylines-WIP-dror.cpp b/Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polylines-wip-tests/polylines-WIP-dror.cpp
similarity index 100%
rename from Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polylines-WIP-dror.cpp
rename to Arrangement_on_surface_2/examples/Arrangement_on_surface_2/polylines-wip-tests/polylines-WIP-dror.cpp