I’m not kidding. Take some time out of your day, and figure out how dat thang actually attaches to your person. Heck, don’t limit it to the glutes, study everything, you’ll figure out how it works with the rest of the body a lot easier.
Break muscles down to basic workable shapes. That’s how construction works.
With these studies and simplifications, I’ve learned:
There’s a fair amount more to it, especially if we’re talking about fat vs. muscle, proportions, relation to hips, etc., but these are more or less the basics, I think.
Seriously though, practice anatomy. Then you can go off and do whatever you please.