diff --git a/README.md b/README.md
index 77cf1980b897b357353581ae919615d6ec37de11..f6079be325f500716b276257370d4297ba7c864a 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,10 @@ The design below has rotational symmetry, which may help flatten its frequency r
 <img src="img/hex-spiral-screenshot.png" height=400px>
 <img src="img/hex-spiral-coil.jpg" height=400px>
 
+Watching the coils being plotted is fun:
+
+<img src="img/hex-spiral-plotting.mp4" height=400px>
+
 
 ## Links: