Quantity   Component name
1 × Peltier Cooler 40mm x 40mm 12V, 6A
1 × 12V Centrifugal Fan .26A 70mm x 30mm
1 × 3D Printer I used an ender 3 pro for the smaller fan/bigger fan model, and mars 2 pro for bigfan/big fan
2 × Copper Heatsinks
1 × Battery Pack 12V, as many amps as you can get in a reasonable size
1 × 12V fan .08A