Project any grid of curves
then Transform/ Array objects on Curve

or Scripts by MaAx SMirnov... VScatter, Vcloene etc...
http://moi3d.com/forum/index.php?webtag=MOI&msg=6486.1

or this...
http://moi3d.com/4.0/docs/moi_command_reference10.htm#arraygem