This 3D print requires additional parts. See updated photos on wiring up control switch Wiring instructions:Waterproofing your print, making it watertight Always a problem for any printsBOM include: 1) Ultrasonic Atomiser (Search ebay for ultrasonic mist fogger, it's the black plastic version, 36mm diameter) 2) 30mm Fan (4 x 18mm screw for attachment) 3) 2 (height) x3 (diameter) mm neodydium magnets (Search ebay) 4) A Step down power converter module, (http://www.icstation.com/step-down-module-power-supply-p-2734.html) 5) Rectangle flashlight push button switch (http://www.ebay.co.uk/itm/3-Pcs-Rectangle-Flashlight-Latching-Push-Button-Switch-AC-250V-1-5A-/121759137697?hash=item1c5968ffa1:g:N3UAAOSwEetV9dkz) You can use either a 'coke' PET bottle or Kikkoman Soy Sauce classic bottle (look nicer and it's glass). The ultrasonic atomiser requires 18~24V, you can use any 19V laptop adpater for this purpose, old Dell and Acer's often uses regular 2.5mm DC plug. The fan blower speed can be adjusted with the voltage step down module. The humidifier blower is held in place simply with the magnets superglued into the inserts.