Is this 3D model free to download?

Yes, Ugly-but-Light • Fan Duct for Ender 3 V2 is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by Alessi_io, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Ugly-but-Light • Fan Duct for Ender 3 V2 3D printable model by Alessi_io

Ugly-but-Light • Fan Duct for Ender 3 V2 photo 1

Ugly-but-Light • Fan Duct for Ender 3 V2 photo 2

Ugly-but-Light • Fan Duct for Ender 3 V2 photo 3

Ugly-but-Light • Fan Duct for Ender 3 V2 photo 4

Ugly-but-Light • Fan Duct for Ender 3 V2

Source: Thingiverse by Alessi_io

The Ugly-but-Light • Fan Duct for Ender 3 V2 is a free printable 3D model from Thingiverse by Alessi_io. Light. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

665 saves Source: Thingiverse Updated 2026-10-09 Print time: 4h License: CC-BY · commercial OK 4 makes Category: 3D Printer

Tags: Creality, E3V2, Ender 3, ender 3 v2

About this model

Light. Compact. Ugly. • Only 35g to reach that sweet print speed you crave. • Ugly-but-Light is inspired by Satsana and mini Satsana, but built from zero in an ugly way. • Compact, just a few millimeters wider than the stock cooler. • 4010/4020 fan for hotend, 5015 fan for parts cooling. • Compatible with Ender 3 v2 and maybe some clone printers. • Minimal supports required because i can't design. • Only tested with standard parts, but i've included a .step file so you can design your own ugly version. Print Settings • Rotate the model placing the flat side on the bed. • With just minimal supports it prints in under 4 hours. • PLA is fine, more durable materials recommended. • 0.32 layer height for faster print. • 20% infill, you can try even less to save some weight. • I used 2 walls and …

Frequently asked questions

Is this 3D model free to download?: Yes. Ugly-but-Light • Fan Duct for Ender 3 V2 is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by Alessi_io.
Who made this model?: Designed by Alessi_io, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.