3d Printed Rocket with Rocket engine

The uploaded model ist the full model, the single pieces and the whole description and Downloads are on my Website.

Download: http://www.sweetrc.de/3d-druck/modelle-drucke/rakete/
Description: http://www.sweetrc.de/diverses/rakete/

I Print the Pieces with my robox rbx1 and glue it Together. Inside the Rocket is D9 engine and a Parachute made from an old umbrella.
If the Rocket reached the top the engine in the inside make a back thrust and divide the Rocket in 2 pieces. The 2