So just... no. Just don't. Don't do it. Think of some other way to say what you are going for. Some other way. There is always another way...
Okay, honestly this paragraph has allllll sorts of issues. Like... at once symmetrical and what? You can't just be "at once" one thing. At once symmetrical AND delicate? Exotic? Severe? Beautiful? FIND AN ADJECTIVE.
Ahem.