Take a look at this (and follow-up tutorials), download the plug-in and see if it can get the lines for you:
http://vectorboom.com/load/web_roundups/mesh_tormentor_plugin_complete_guide/13-1-0-18
Take a look at this (and follow-up tutorials), download the plug-in and see if it can get the lines for you:
http://vectorboom.com/load/web_roundups/mesh_tormentor_plugin_complete_guide/13-1-0-18