Students' own design and 3D printed Flying Model Rocket. The idea comes from Minecraft with a 24mm engine mount 

67mm Diameter, this innovative rocket with a triangular shape is against the traditional design. 29mm engine mount

Students' own design and 3D printed Flying Model Rocket. 24mm Engine mount

Students' own design and 3D printed Flying Model Rocket

Students' own design and 3D printed Flying Model Rocket. Small Double Stage with 24mm engine mount. Large Double Stage with 29mm engine mount.