1.75mm wood filament
Wood filament is a relatively new filament used with 3D printers. This filament contains of woodchips and a binder. Because of this, 3D prints made with this material not only look like they are made of wood. They are made of wood! 3D printed objects made with wood filament can be sawed, sanded, painted, etc. Just like normal wood. This page has more information and nice examples to print with this fun material.