Normal pen Model 3

A pen is a common writing instrument that uses ink to create marks on paper or other surfaces. It consists of a barrel (the body), an ink reservoir or ink cartridge, and a nib or ballpoint that dispenses ink as it moves across a surface. Pens are typically used for writing, drawing, or marking in various contexts, such as for note-taking, signing documents, creating art, or completing forms.

Features of a Pen:

• Grip: Most pens feature a grip area to enhance comfort during extended use.
• Ink Types: The ink may vary in terms of color, opacity, and composition, with options such as blue, black, red, and gel-based colors.
• Refillable vs. Disposable: Some pens can be refilled with ink cartridges, while others are disposable once the ink runs out.