Finally, create a folder for your add-on in the addons\ folder (or place your Python file here if using only only a single file). ex: C:\blender-scripts\addons\my_blender_addon\... Your add-on should ...

Any python script that can be run in Blender should work as a button ... Panel presets allow you to switch between groups of buttons with a drop-down menu. Click the 'Panel Presets' menu at the top of ...