diff --git a/README.md b/README.md
index 0a66121..99de847 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,9 @@
 
 Public domain 3D software rasterizer for (not only) resource-limited computers.
 
-If you like this, you may also like my similar project: [raycastlib](https://gitlab.com/drummyfish/raycastlib).
+If you like this, you may also like my similar project: [raycastlib](https://gitlab.com/drummyfish/raycastlib). These two libraries can very easily be combined together -- here is a proof-of-concept gif (environment rendered with raycastlib, cubes with small3dlib):
+
+![](media/rcl_plus_s3l.gif)
 
 ## eye-candy previews