Stage 1 - 101hero

No matter you want to upgrade your 101hero or not, one thing you must do to improve printing quality is cooling fan. See the following picture for the difference.

With cooling - Without cooling

Any cooling should work. Calvin Rueb from Unofficial 101hero group have a very good solution

Click here for details

You can also download some cooling fan mount for 101hero from thingiverse

My solution is just a tiny usb desktop fan, simple but work.

But bigger may be better

Patent by Claudio Aurelio Poueriet Galarza