diff --git a/down-spiraling.tdl b/down-spiraling.tdl
new file mode 100644
index 0000000000000000000000000000000000000000..ab0464d48f780afddc2e761f0fca6bbd547b982e
--- /dev/null
+++ b/down-spiraling.tdl
@@ -0,0 +1,27 @@
+= [REF]
+\ x: 0
+\ y: 0
+\ z: 0
+|
+@ T0
+|
+# [position.parametric]
+\ x: 1.5t
+\ y: 0
+\ z: 40t^0.1
+|
+@ T+20 ~ 5Hz
+|
+# [position.parametric]
+\ x: t
+\ y: 1.41^(0.5t) - 1
+\ z: 0
+|
+@ T+40 ~ 5Hz
+|
+# [position.parametric]
+\ x: (-0.75t+30)*cos(-0.3t)-30
+\ y: (-0.75t+30)*sin(0.3t)
+\ z: -1.34t
+|
+@ T+80 ~ 5Hz