The Snapmaker Auxiliary Cooling Fan for U1 is an original add-on fan designed for the Snapmaker U1 IDEX 3D printer. It delivers extra cooling power where the standard part cooling can't keep up - on overhangs, bridges, fine details, and when printing materials sensitive to slow cooling, such as PLA or PETG.

Original accessory for Snapmaker U1

The fan is developed directly by Snapmaker and is fully compatible with the U1 printer. The mounting is designed as plug-and-play, with no need to modify the print head or firmware. You get the assurance that the component fits precisely in its place and will work in harmony with the printer's electronics.

Significantly better print cooling

The auxiliary fan increases the airflow around the nozzle, thereby improving the cooling of freshly extruded plastic. In practice, this means sharper edges, cleaner details, and better handling of overhangs and bridges. You will appreciate the benefit most when printing small parts, where layers are deposited in a short time and the standard fan can't cool the layer sufficiently before the next one is applied.

Ideal for PLA and PETG

Materials such as PLA and PETG require active cooling to achieve a quality surface. The auxiliary fan helps eliminate typical defects such as stringing, sagging bridges, or deformation of small model peaks. When printing materials such as ABS, ASA, or Nylon, it can be easily turned off in the slicer profile to prevent unwanted layer shrinkage.

Higher detail and overhang quality

Faster heat dissipation from the freshly printed layer ensures that the nozzle does not melt already finished details on the next pass. The benefit is particularly evident on models with fine geometry, text, miniatures, or prototypes, where dimensional accuracy and surface cleanliness matter.

Built for long-term operation

The fan is rated for the operational load of an FDM printer with frequent speed reversals. The robust impeller and quality bearings ensure quiet operation even at high RPM. The component serves as a direct replacement in case of failure or as an add-on to extend the setup.

Easy installation

Installation consists of attaching the fan to the pre-prepared mount on the U1 print head and plugging in the connector. No special tools or wiring modifications are required. The entire replacement takes even a beginner only a few minutes.

Technical parameters

Package contents

1x Snapmaker Auxiliary Cooling Fan for U1 including wiring ready for connection to the print head. The spare part is supplied in the manufacturer's original packaging.