diff --git a/.gitignore b/.gitignore
index 04b9d85..713f065 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,8 @@
 *.theia/
 launch.json
 src/main/.theia
+*.FCBak
+3D-models/ESP32-housing/ESP32-housing.20250126-111227.FCBak
 
 venv/
 .venv/
diff --git a/3D-models/ESP32-housing/ESP32-housing.3mf b/3D-models/ESP32-housing/ESP32-housing.3mf
new file mode 100644
index 0000000..250603d
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diff --git a/3D-models/ESP32-housing/ESP32-housing.FCStd b/3D-models/ESP32-housing/ESP32-housing.FCStd
new file mode 100644
index 0000000..0deb3c0
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diff --git a/3D-models/ESP32-housing/ESP32-housing.stl b/3D-models/ESP32-housing/ESP32-housing.stl
new file mode 100644
index 0000000..8d71f05
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diff --git a/VERSION b/VERSION
index 346d9ca..f8cef92 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-v5.1.1
+v5.1.1
\ No newline at end of file
diff --git a/docs/README.md b/docs/README.md
index cd3103c..94aad88 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -151,9 +151,9 @@ I installed the ESP32 boards and selected ESP32dev board.
 
 ## 3D Print
 
-![ESP32 Plant Monitoring Housing Image](/static/img/3d-housing.png)
+![ESP32 Plant Monitoring Housing 3D Image](/static/img/ESP32-Housing.jpg)
 
-The housing to hold the ESP32 and sensors can be 3D printed.
+The housing to hold the ESP32 can be 3D printed.
 
 The 3D model files are located under the [3D-models](/3D-models) directory.
 
diff --git a/static/img/ESP32-Housing.jpg b/static/img/ESP32-Housing.jpg
new file mode 100644
index 0000000..0183732
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