This is the first high-quality printing head for Ultimaker 2, which uses hotend e3d v6, and turbines for blowing parts :)

If you want to use hotend volcano, then print the appropriate blowing nozzles from the list of files.

Used blower 40x10mm

I recommend using "Gdstime (dual ball)" blowers

Use this fasteners for Assembly:

• Blower
  M2.58 - 6pcs
  M2.516 - 2pcs (fasten 3 part at once)

• Radiator clamp
  M3*16 - 1pcs
  M3 NUT - 1pcs

• Cable clamp
  M3*10 1pcs

• Fan adapter 30mm to 40mm
  M3*12 - 4pcs

• Fan 4010
  M3*16 - 4pcs