Hi OSTexo, Brian (user name bemfarmer) has done a bunch of different sprial scripts, was it any one of these? :

http://moi3d.com/forum/index.php?webtag=MOI&msg=4543.6

http://moi3d.com/forum/index.php?webtag=MOI&msg=4599.1

http://moi3d.com/forum/index.php?webtag=MOI&msg=4599.19

http://moi3d.com/forum/index.php?webtag=MOI&msg=4955.1

http://moi3d.com/forum/index.php?webtag=MOI&msg=6906.1

http://moi3d.com/forum/index.php?webtag=MOI&msg=6951.1

- Michael