In order to write, usage of pointed pen with flexible nib is known as nib pen calligraphy. The user may generate any number of line widths in a single stroke by changing the pressure provided on the nib. The difference between thick and thin lines is one feature that sets calligraphy apart.

Three tools—pencils, fountain pens, and gel pen—should be picked up when discussing round pen calligraphy. All three are nicely combined at this level in a special mixed manner. Additionally, it guarantees that the fountain pens be held and moved correctly in vertical slant layouts on paper.