Geeetech

Hello everyone.
I am searching on thingiverse a solution but can't find anything that fits my desire. The proble is i want to install a radial fan duct to cool down pla whith a Bowden style extruder. For now i have a support for the extruder but as I have still have problems on the top layers ...

It was very helpful thank you!!

Hi guys, it's about two months now that i have a huge problem, i have also changed the extruder but the result is still the same as you can see in the picture. What am i still doing wrong?
The melting temperature is fine, the plate is more or less balanced: more or less because i have tried lots of ...