@tig said:
Get the latest version of k_tools.rb - this has various tools that do what you want including 3d graph/forms from equations... here's a link to v5 http://rhin.crai.archi.fr/rld/plugin_details.php?id=210
Didier's 'Depot' has many scripts - between the Plugins here, the Depot, Smustard and Jim's Blog you ca find most scripts available to download - or at least links to them...
thanks a lot, that's exactly what i was looking for!