Hi Anis,

> Do you have idea to create 3D football inside MoI3D ?

Check out some of these previous discussions:

http://moi3d.com/forum/index.php?webtag=MOI&msg=2140.46
http://moi3d.com/forum/index.php?webtag=MOI&msg=2153.1
http://moi3d.com/forum/index.php?webtag=MOI&msg=3798.1
http://moi3d.com/forum/index.php?webtag=MOI&msg=2275.1

Also a variety of different polyhedra models can be downloaded from here:
http://www.rhino3d.nl/pythposter/pyth3dm-eng.html

- Michael