diff --git a/README.md b/README.md
index 3f35d4d..34f7873 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,7 @@ lua main.lua maze3d_openscad -w 91 -h 91 -d 71 -f 91x91x71.scad
 openscad -o 91x91x71.stl 91x91x71.scad
 ```
 
+![(Horizontal line)](https://starbeamrainbowlabs.com/blog/images/20200831-mazes/hr.png)
 
 ## Contributing
 Contributions are very welcome - both issues and patches! Please mention in your pull request that you release your work under the MPL-2.0 (see below).