You can add textures to your pencil drawing rein many ways. You can use pencils of different hardnesses or charcoal for a dark, bold look. Using ballpoint pens to create artwork is not without limitations. Color availability and sensitivity of ink to light are among concerns of ballpoint pen artists.[49] https://lasercleaningmachine15937.atualblog.com/27814264/wenig-bekannte-fakten-über-pencil-drawing