Here's a super-specific logo that a couple of people might be interested in. here's a symbol that was used on the back packs of Snowtroopers and was also seen on the rocket pack of the pre-production Supertrooper, aka albino Fett.
Here's a preview of what the PDF looks like. The symbol is provided in multiple sizes. The largest would fit in the middle top part of a rocket pack, though you can print at any size you want.
Thanks go to Brak's for the reference pics and help. We haven't determined that all of the shapes are exact, since the method by which the symbol was applied to the prop could have changed the edges, but it's a decent start.