Dry box spool holder

The dry box spool holder is designed for 4L cereal box. The cereal box is bought from Taobao, so please double check the size is same as the one you can buy from your local stores or Amazon. Here is the link of the cereal box, if you want to buy from Taobao. https://item.taobao.com/item.htm?id=903798891208&pisk=g89YOkNpX40mhL9AqnlusxMfHBikDbx24E-QINb01ULJWHEDi1bG1OLeJ1wigtfOBU_knZxchG16SeOclIbgBdLyk-2GhFDO5HRrbZjDnlI6NEeMinbDwlB2EI2GoqW9feXt-2DnKn-V7Ogn-LzRkEXCDoNbSiw7VOj9ZnN0An-VQNZu5XAW0lQ5qAMffNiRFGIUlO1fc__5zG2_1F_fNzsdYO665Z15ViSQlNwbCaiRmGwblSw_VYsGjNa65OiRFG755O1X53G85l_u-g29TDnG1A2PhRw6eiCSZn_STE95DQQpcKe0nlSAMwtfy2WtOvCWb1pabRC6cB8NAEaj-s-6wUIABYVfd3d6JgJjKrIyi3thPHEQdH6vwT9X9lw62tQVsd1bk4QB339FF_DIv39yonJJjlM1qebW0K6tdDWAhZ6R4d0zhNdW1KfVQrghghOJyiBC4i9Hp7t7-wIgG0n8_55f46Sk5gw0GVJP2wmb65PN6VIR-0n8_55f4gQncAPa_13O.&spm=tbpc.boughtlist.suborder_itemtitle.1.72a72e8dnODbxv You can buy the Hygrometer from Bambu lab directly. I designed a Desiccant b