Part Cooling

Also known as: Cooling Fan, Print Cooling

beginner Slicer Settings ⚙️ Slicer Setting

Using fans to cool printed material quickly for better quality and overhangs.

Part cooling uses fans to rapidly cool freshly extruded filament. Proper cooling improves overhangs, bridges, and fine details.

Cooling by Material

MaterialFan Speed
PLA100%
PETG50-100%
ABS0-20%
TPU50-100%
Nylon0-20%

When to Use Cooling

More Cooling

  • Overhangs
  • Bridges
  • Fine details
  • Small layers (cooling time)

Less Cooling

  • ABS/ASA (warping, layer adhesion)
  • First layer (adhesion)
  • Large parts with long layer times

First Layer

Always disable or reduce cooling for first layer—you need adhesion, not rapid cooling.

Tips

  • Upgrade to better fan ducts
  • Dual fans provide more even cooling
  • Some printers have adjustable fan angle
  • Watch minimum layer time settings