阻门器，脚踩可解除，站立打印，高2.5cm门缝都可以，如果太小就用打火机烧一下掰开一些，两个版本一个带限位，一个不带，带限位槽宽50mm，根据需求缩放打印。

Door stopper, foot can be lifted, standing printing, 2.5cm high door seam can be, if too small, burn with a lighter to break off some, two versions one with a limit, one without, with a limit slot width 50mm, scale printing according to demand.