How does the size design of the student mechanical pencil meet the portability and grip comfort of students' daily use?

The size design of the student mechanical pencil has been carefully considered in terms of portability and grip comfort to meet the needs of students' daily use.
The length of 135mm is designed to be just right, neither too long to take up unnecessary space in a school bag or pocket, nor too short to affect stability and control when writing. This length allows students to carry it easily without adding burden when moving quickly or needing to change study locations frequently. At the same time, the 18.5mm diameter ensures grip stability while ensuring that the pen can easily slide into the pen slot of most pencil cases and pen bags, avoiding the problem of being difficult to store due to excessive size.
After in-depth research on the characteristics of students' hand shape and pen-holding habits, the optimal shape and angle of the pen body were finally determined through simulation tests and adjustments. This design helps the fingers to distribute strength naturally when holding, reduces the pressure on the hand muscles caused by long-term writing, and prevents hand fatigue and discomfort. The choice of plastic material not only takes into account the needs of cost and lightweight, but also because of its good processing performance and plasticity, which enables designers to create more diverse surface textures and textures. For example, the pen body may be finely frosted or soft-gel coated, which can effectively increase the friction when holding, prevent the pen from slipping during writing, and also improve the comfort of touch.
Anti-slip texture and soft-gel wrapping are important details to improve the comfort of holding. The anti-slip texture may appear on the pen body in the form of dots, strips or meshes, providing additional grip points for fingers and enhancing grip stability. The soft-gel wrapping part may be located in a specific area of ​​the pen body, such as the grip area or finger rest position, to provide a softer and more fitting touch and reduce the pressure on the hand. The design of the pen cap also reflects the care for the student's experience. In addition to considering the contact area and shape with the finger, the pen cap may also adopt a shape and material that is easy to grip, such as a surface design with grooves or convexities, so that students can easily put the pen cap back when not in use. In addition, some designs may also connect the pen cap to the pen body through magnetic attraction or snaps to prevent the pen cap from being lost and make it convenient for students to use it at any time.
In summary, the size design of this student mechanical pencil has been carefully considered in terms of portability and grip comfort, aiming to provide students with a stationery product that is both easy to carry and comfortable to write with.