diff --git a/Altoids_Tin.jpg b/screenshots/Altoids_Tin.jpg
similarity index 100%
rename from Altoids_Tin.jpg
rename to screenshots/Altoids_Tin.jpg
diff --git a/Breadboard.jpg b/screenshots/Breadboard.jpg
similarity index 100%
rename from Breadboard.jpg
rename to screenshots/Breadboard.jpg
diff --git a/tools_and_scripts/g27calib_release.cmd b/tools_and_scripts/g27calib_release.cmd
new file mode 100644
index 0000000..2a4ef5a
--- /dev/null
+++ b/tools_and_scripts/g27calib_release.cmd
@@ -0,0 +1,20 @@
+REM g27calib release script
+REM usage: g27calib_release.bat <path\to\python_interpreter> <GITHUB_VERSION>
+
+%1 -m venv g27calib || exit /B 1
+
+.\g27calib\Scripts\pip install https://github.com/n-e-y-s/G27_Pedals_and_Shifter/archive/%2.zip  || exit /B 1
+.\g27calib\Scripts\pip install pyinstaller pywin32  || exit /B 1
+
+echo from g27_pedals_and_shifter_gui.calib import main > g27calib.py
+echo if __name__ == "__main__": >> g27calib.py
+echo         main() >> g27calib.py
+
+.\g27calib\Scripts\pyinstaller.exe -w --clean .\g27calib.py  || exit /B 1
+
+cd dist
+"C:\Program Files\7-Zip\7z.exe" a g27calib.zip g27calib || exit /B 1
+cd ..
+move dist\g27calib.zip . || exit /B 1
+ 
+
diff --git a/G27_Pedals_and_Shifter/src/test_filter.py b/tools_and_scripts/test_filter.py
similarity index 100%
rename from G27_Pedals_and_Shifter/src/test_filter.py
rename to tools_and_scripts/test_filter.py