The thicker acrylic was much more stable, and the extra surface area made it more comfortable to hold. If I wanted to, I could go back and enlarge the locking lugs between the holder and the loop, as the thicker acrylic was much more rigid, and wouldn't have twisted like the 1/8" acrylic. I also learned that there was enough area for the cup to slip off the little platter, which shifts the center of gravity enough to hang well from a loop, even when carrying all of the prior iterations.