The fins are done! I cut up the packing tube from the G125 that shredded V1 and embedded a chunk in each fin. These tube sections are attached with hot glue. To brace the fins, I glued paint stirrers between adjacent fins. I used wood glue on the wood/cardboard joint and then hot glue between the paint stirrers and the fins. I'll try to shred this one on a G106 at the next MDRA launch.