This utility model relates to a pen which can write on the plane with stereovision effect, consisting of a pen point, a pen core and a pen tube.
本实用新型涉及在平面上书写出具有立体视觉效果字的笔，由笔尖、笔芯和笔管三部份组成。
The pen core has the advantages that the pen tip can be replaced, so that good pen tips can be repeatedly used, the utilization rate is improved, and raw materials are saved.
本发明的有益效果是，可以替换笔尖，使好用的笔尖得到反复使用，提高了利用率，节约了原材料。
The invention relates to a pen core, which comprises a core pipe with a pen tip. The pen core is characterized in that the pen tip is connected to the pen core through screw threads.
本发明的笔芯，包括带有笔尖的芯管，其特殊之处在于：笔尖通过螺纹连接在笔芯上。
The trouble and the waste caused by abandoning the core of the ball pen and changing a new one without using up the ink are avoided.
避免了圆珠笔总是笔油用不完就要将笔芯弃旧换新，而带来了麻烦和浪费。
The trouble and the waste caused by abandoning the core of the ball pen and changing a new one without using up the ink are avoided.
避免了圆珠笔总是笔油用不完就要将笔芯弃旧换新，而带来了麻烦和浪费。
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