There are lots of large EPP quilts that use a variety of shapes. Check out Willyne Hammerstein's Millefiori Quilts books as a starting point. Here is a link to some templates for her quilts:
https://www.paperpieces.com/designer...ne-hammerstein if you click on the patterns, you can see all the different shapes used.
Katya Marek is another designer of EPP patterns; I have a template set for one of her quilts, and it uses about 30 different shapes.
It takes a long time to make a large EPP quilt. I've been working on La Passacaglia on and off for 3 years, with no end in sight. Because it's so slow, fewer of them get made. There are still lots of them out there, though. Once you start finding them, you will see that there is a tremendous amount of creativity in patterns, colour use, and quilting (it's definitely not just straight lines!)
I suggest you look for EPP groups on Facebook. I'm a member of a couple different ones, and there is a lot of eye candy to be found there.