Aquarium airpump  is great for cooling.

3D Printing HercuLien and Eustathios
1

Aquarium airpump is great for cooling. I think Schorsch printer uses it too https://pp.vk.me/c620323/v620323705/c873/xirxVrIIjc4.jpg

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2

That’s a nice idea, Is it not a little noisy?

3

No, my e3d fan is louder. It is loud if only without tubing

4

thought about the same idea :slight_smile:

5

Just do it! About 5 russian forum members did it for themselves in last 2 weeks. All are happy. One connected via relay to fan output. One via DIY PID regulator