P2S and X2D Auxiliary Fan Diffuser

Update 20-04-2026:

     AIR DIFFUSERS AVAILABLE FOR X2D, the right-side air diffuser is compatible with the P2S one

     IF YOU OWN A BAMBULAB X2D YOU MUST PRINT THE PRINT PROFILE “V.2.1 / 45º Diffuser / X2D / left+right”

     Thanks to the collaboration of user 1stXerox, the model has been resized to be compatible with the left-side air outlet of X2D, a print profile has been created to print both diffusers (left and right) for X2D

Update 11-11-2025:

      The diffuser has been redesigned and version V.2.0 has been included, improving fan efficiency and redirecting airflow over the entire printer surface

      Version V.1.0 diverted air vertically at a 45º angle upwards but horizontally maintained the airflow completely straight as it does originally

      Version V.2.0 not only diverts air vertically 45º upwards but also horizontally redistributes it across the entire upper surface, spreading the fan further improving its efficiency

 IF YOU WANT TO DOWNLOAD VERSION V.2.1 YOU JUST HAVE TO SELECT THE PRINT PROFILE “ V.2.1 / 45º Diffuser ”

Update 03-11-2025:

       A new nozzle design with a 30º inclination has been added (untested)

🌬️ Solve Warping on your Bambu Lab P2S and Improve Cooling! 🛠️

Are you a Bambu Lab P2S owner and tired of warping on your large prints? One of the culprits is known: the original auxiliary fan nozzle, just like its predecessor P1S, projects cold air directly onto your prints, causing sudden and irregular cooling, ruining bed adhesion

I have the ultimate solution! 🎉

I have redesigned the P2S auxiliary fan nozzle to eliminate this problem at its root and, incidentally, optimize the thermal management of your print chamber

Key Features of the Solution

• **45∘ Flow Diversion:** The nozzle diverts air 45∘ upwards. This prevents the cold air jet from directly hitting the part, eliminating the risk of warping
• Improved Chamber Cooling: By forcing air to circulate upwards, a better mixing and movement of hot air within the chamber is promoted, improving temperature homogeneity, resulting in a lower required auxiliary fan speed
• Simple and Fast Printing:
  • Material: PETG recommended as a minimum, for its durability and resistance to moderate chamber heat
  • Weight: Consumes less than 5 grams of material
  • Print Time: Prints in just 20 minutes
  • No Supports! It has been designed to print without the need for support structures, facilitating immediate installation

Install this small improvement and forget about warping caused by the auxiliary fan! Give your prints the stable thermal environment they deserve