Pencil sharpener/knife on pencil/essay knife
The pencil sharpener is designed to be integrated with the pencil. Don't look everywhere for a knife, just turn the pen tip and cut out the refill.
Increase the diameter of the pen tip and the bulge. Just the touch will increase. Hand grip is not easy to sour.
The pencil sharpener is threaded inside, and the rotating pen will advance and peel.
Production realization method:
The metal body is stamping and forming of the plate-the plate is hardened-the blade is polished out-the metal body is fixed with a plastic shell.
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I have seen many designs combining pencil and pencil sharpener. You are the most special one. Of course, there are also many problems, such as grip and refill thickness. It is better to use wooden maps directly, and the distortion of direct shading is too serious.
This rendered wood material can be changed to be a little distorted.
Your writing feel is very affected! And your whole metal cap is prone to sweat
Holding it is also a problem.
The tip of the nose cannot become thinner, the thicker it is used, and finally it becomes a 2.0 mechanical pencil.