Evaporation/passive humidifier

Passive humidifier with 100 g/hr evaporation rate (based on the fan I chose). It can be also used as a passive humidifier without running the fan.Require parts:120mm fan: (like this one: https://www.amazon.com/gp/product/B07PFBPHL6/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1 ）Voltage regulator: ( https://www.aliexpress.us/item/3256807143629614.html?spm=a2g0o.productlist.main.11.18d0NGN6NGN6Li&algo_pvid=712cb487-811c-4557-837d-7178e2501ac5&algo_exp_id=712cb487-811c-4557-837d-7178e2501ac5-5&pdp_npi=4%40dis%21USD%213.90%213.90%21%21%2128.23%2128.23%21%40210313e917377408191924776e441e%2112000040290668237%21sea%21US%211992844261%21X&curPageLogUid=5FngbY1hf3Mw&utparam-url=scene%3Asearch%7Cquery_from%3A ）paper towelOther stuff: hot glue, silicone conformal coating, soldering related stuffMost of parts in the file can be printed with PLA. But it is good to print the part between paper towel rack and the fan container with TPU to minimize the fan vibration. This part can also be used to adju