Model Rocket Concept 1

Initial Model rocket concept. The idea is to have modularity. This is a rough draft of the entire set of objects. They will be refined and broken up later. Components:

1) Fin can tube: should have a launch lug and a cutout for an engine retention hook
2) Tube
3) Tube coupler
4) Engine stop cylinder (goes into the fin can tube)
5) 2 sample fins