diff --git a/support_material/tutorial_0/test_one_building.geojson b/support_material/tutorial_0/test_one_building.geojson
new file mode 100644
index 0000000..084c390
--- /dev/null
+++ b/support_material/tutorial_0/test_one_building.geojson
@@ -0,0 +1,294 @@
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\ No newline at end of file