Rotate Eagle CAD component about its origin
Open the Library, and select the device you want to change. Open the device, and move everything, so that the Origin cross is centered in the middle of your component. Save and done. If you have used the component in your schematic/PCB, you will need to run &quot;Update library&quot;.
Open the Library, and select the footprint you want to change. Open the footprint, and move everything, so that the Origin cross is centered in the middle pin of your footprint. Save and done. If you have used the component in your schematic/PCB, you will need to run &quot;Update library&quot;.
Edit: added both possible explanations