Creality Ender 3 V2 - mainboard air ventilation system

This air ventilation system will help you to keep your Ender 3 series printer mainboard cool with minimum cost investment. Compared to the previous version, it can be attached firmly to the bottom of the frame and having almost two times air intake capability. It is easy to assemble, easy to print, Just print out the two components and attach to the bottom. And say goodbye to the layershifting issues.