Anuruddha Higgoda

Hi there, I am new to the forum and wasn't sure where exactly to ask this question! Could someone tell me the best way to attach/mount a centre wing made out of blue foam on top of a fuselage (wooden internal ribs-stringers frame with a foam outer shell) in a high wing arrangement without the use of struts or rubber bands? This would need to be detachable as well. Thank you!