fustellificio-arena-incisoria-laser_01 3d engraving on brass surface produced with CNC milling machine.
![[:en]3d engraving on brass surface[:it]Incisione 3D su ottone[:de]3D-Gravur aus Messing](https://www.fustellificioarena.it/wp-content/uploads/2014/09/fustellificio-arena-incisoria-laser_01.jpg)