I built https://egghead.space exeggdly for this - absolutely some pun intended ;)
Just look at this awesome idea: https://egghead.space/sketch/iKGw9vQ9Qmub39Djz1ZR/Fallout+4+...
I never managed to bring it beyond alpha stage though and no one ever used it.
Main problem for me was that I always got the feeling it looked just ugly. I'm not a designer, so that was really demotivating...