Is there a question in there? I wasn’t sure.
Lemur can do 3D GUIs easily as it doesn’t really care whether the GUI is 2D or 3D… and any JME Node can be a Lemur gui element. Like in the 3D node+links thing above, they don’t even have to be GUI elements to interact with them since you can add mouse event support to any Node… it’s already setup for that.
Here are some videos I’ve posted before. These GUIs were all done with Lemur:
