I plan on getting this out if it works with M2, Haven't had a chance to really read up on it yet.
http://www.graphene3dlab.com/s/news.asp ... e-Filament
Conductive filament
Re: Conductive filament
If you have a MicroCenter near you they have conductive plastic for like $16/KG.
Custom 3D printing for you or your business -- quote [at] pingring.org