diff --git a/docs/img/Sonar-3D-15-back.png b/docs/img/Sonar-3D-15-back.png
new file mode 100644
index 00000000..5236fed2
Binary files /dev/null and b/docs/img/Sonar-3D-15-back.png differ
diff --git a/docs/sonar-3d/sonar-3d-15.md b/docs/sonar-3d/sonar-3d-15.md
index d8cbea4e..73035d7b 100644
--- a/docs/sonar-3d/sonar-3d-15.md
+++ b/docs/sonar-3d/sonar-3d-15.md
@@ -14,8 +14,8 @@
 ## Dimensions
 
 ![Sonar 3D 15 Dimensions](../img/Sonar-3D-15-physical-dims-public-alpha-4x.png)
-
-The cable can be bent as shown in the image up to 90 degrees without causing any damage. 
+The cable can be bent as shown in the image up to 90 degrees without causing any damage.
+![Sonar 3D 15 Back Dim](../img/Sonar-3D-15-back.png)
 
 ## Field of view