I've never made one, but what about a Warm Wishes pattern? That would definitely give her space to feature the motorcycle fabric ... of course, it depends on what the other fabrics are. I always think the WW quilts look nicest when there is a dark fabric for the large squares, a medium fabric for the sashing & a light fabric for the interior stripe. Here's an example with Classic Cars fabric as the feature:
https://images.duckduckgo.com/iu/?u=...132990.jpe&f=1