Rocket Assembly

Recently taught a class on 3D printing being used in industry to middle school student as part of a how to design and 3D print summer course. Wanting to share an example of a mock-up assembly of "something", I decided to design, print, and assemble a fun rocket with a payload.

I used knurled pressed inserts for plastics (http://www.mcmaster.com/#press-inserts/=13y0181) and matching machine screws (http://www.mcmaster.com/#machine-screws/=13xzrpq). I used 4-40 and 2-56 size screws and insert