A small box that can be switched and switched freely, only 2g of material is needed for printing, I use it to load pigments, if you can think of other uses, please reply to me, please tell me if there are any suggestions for improvement, thank you!

一个可以自由开关的小盒子，只需要2g材料打印，我用它来装颜料，如你还能想到其他用途，请回复我，有什么改进的建议也请告诉我，谢谢！