Double bolt action pen

看到辛科凝即将出的双枪栓全中轴中性笔有感而发制作，欢迎改编分享，侵删。去码头整点薯条。双枪栓壳体采用卡扣固定，完全没有使用螺纹，靠圆柱后定位，圆柱和拨钮采用过盈配合。笔芯直径适配到8mm（几乎所有笔芯都可容纳），长度适配111mm（用圆柱长端）和112mm（用圆柱短端）。Inspired by the sight of “PONY XIN”'s upcoming double bolt full center Pen. Welcome to adapt and share.The meaning of life lies in going to the wharf for some fries.The double bolt housing is fixed with clasp, no thread is used at all, and is positioned behind the cylinder. The cylinder and the dial button are fitted with interference. The diameter of the re