I've been working on my level 3 rocket project for a while. I'll eventually add more text here, but for now it's just pictures of the build.
thumb|the full kit, again
thumb|the full kit, and again
thumb|the full kit, and again again
thumb|first dry fit of the whole thing
thumb|close-up of the fins
thumb|cutting the first fin
thumb|sanding the inside of the booster to get it ready for epoxy
thumb|taping up the motor retainer so epoxy doesn't get on the threads
thumb|tacking the fins in place
thumb|applying epoxy to the fin fillets
thumb|using a syringe to inject epoxy to cover the inside fin fillets
thumb|using my sword as a straight edge