>>6593361You could try hiding their stand arm like this. There's another alternative here using paper clips:
https://kixkillradio.com/2013/01/19/nendoroid-photography-tips-and-tricks/.
I know someone else had a trick where they cut a strip of clear plastic. They rounded out one end and put a neck hole in to fit around the Nendo's neck. Then the bent the long end down to work like an invisible stand, kind of like in the pic I posted.