A calligraphy pen is a specialized writing instrument designed for creating beautiful, decorative lettering. It typically features a flexible nib that allows for varying line thickness, which is essential for achieving the elegant strokes characteristic of calligraphy. These pens can be filled with ink or use pre-filled cartridges, making them convenient for artists and hobbyists alike. Calligraphy pens come in various styles, including fountain pens, dip pens, and brush pens. Each type offers unique advantages, such as ease of use or the ability to create different effects. Many calligraphy enthusiasts use these pens for invitations, artwork, and personal projects, enhancing the visual appeal of their writing.