How can I have a canvas and external controls at the same time?

Typically all the space of an applet is used for 2D or 3D; that is, the applet provides the canvas. I am trying to develop an applet where I only want to use part of the applet space for 3D, and then, outside that space (but still within the applet) I would like to add some controls (e.g. buttons or text fields) to provide some interaction. In other words, I want to have an applet that contains something like a frame for 3D, and some controls outside the frame.
It may be quite easy, but I am very new to applets. Can anyone kindly give me some suggestions? Any help is highly appreciated!
Regards,
Hua

I got it figured out. Thanks anyway!

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