Display UI panel content in RenderTexture (or whatever) in Panel WorldSpace

I have a UI component with map contents which helps the user moving a boat around (see screenshot) I want to display this content also on the boats plotter panel but cannot find a suitable method for this. I tried the Camera - RenderTexture approach but this introduces a lot of issues because the UI map element is moveable/resizable and also I would need to switch the whole UI canvas to rendermode camera which in turn would hide other UI widgets not supposed to go on the boat plotter. Is there any more appropriate method to duplicate content from UI canvas panel to a World panel?

Since it is a widget, you can have multiple copies of it, and if you can have multiple copies of it, you can place one widge onto screen canvas, and another widget onto world space canvas. No need to use RenderTexture.