o make a thick line, I need to use more pressure on my pencil. I can also use a sharp/blunt pencil and may either do several lines next to each other or draw a rectangle and opposite: I use a sharp/blunt pencil and press down as I need to use more pressure and a it in. To make a thin line, I would do the as I can on the paper. To make a dark line, pencil or another drawing implement e. g.