Until now you could only export the selected object. I’ve added a toggle button that enables you to save all the objects in the scene. I’ve also removed the class name input box. It now uses the name from the object itself.
Doing this, I discovered a bug in the script that affected the x, y and z position of the object which is now fixed.
The layout has changed a bit as well:
Download the latest version here.
Thanks to Lance for requesting this feature!