I’ve made an utility program “Text2dialog” have a try: t2d_beta_20130414.7z
If you have a problem get it work. Please post here.
OpenSCAD model of the Ahmed body. Get OpenSCAD. File could be opened directly and be edited in OpenSCAD, or run from commandline: “openscad -o ahmed_25.stl -D angle=25 ahmed_body.scad”. (file: ahmed_body.zip )