diff --git a/orx-kdtree/README.md b/orx-kdtree/README.md
index c6d21315..f31f9796 100644
--- a/orx-kdtree/README.md
+++ b/orx-kdtree/README.md
@@ -1,2 +1,8 @@
 # orx-kdtree
 
+<!-- __demos__ -->
+## Demos
+### DemoNearestNeighbour01
+[source code](src/demo/kotlin/DemoNearestNeighbour01.kt)
+
+![DemoNearestNeighbour01Kt](https://raw.githubusercontent.com/openrndr/orx/media/orx-kdtree/images/DemoNearestNeighbour01Kt.png)