About this 3D model
Nose cone designed for the Polylactic Rocket: http://maximsachs.com/polylactic-3d-printed-rocket/ The nosecone is designed for a body tube with a diameter of 80mm and a wallthickness of 2mm. Many design parameters can be modified in the Catia model. The new updated version: http://www.thingiverse.com/thing:294783