It is difficult to print fine details when the plastic are still molten and slosh around by the nozzle.Mount a fan with this mount, adjust the height to direct air flow towards the nozzle.Configure your slicer to set appropriate fan speed.Use with this hotend mount:https://www.youmagine.com/designs/makibox-hotend-mount-4mm-bushing
Technical
ABS printed parts
2.5cm 12V fan
M3 screw x2
M2.6 screw x2