120mm Fan to 4 Inch Duct (Customizable) 3D printable model by Tyler
120mm Fan to 4 Inch Duct (Customizable) photo 1 120mm Fan to 4 Inch Duct (Customizable) photo 2 120mm Fan to 4 Inch Duct (Customizable) photo 3 120mm Fan to 4 Inch Duct (Customizable) photo 4

120mm Fan to 4 Inch Duct (Customizable)

Source: MakerWorld by Tyler

The 120mm Fan to 4 Inch Duct (Customizable) is a free printable 3D model from MakerWorld by Tyler. This is an adapter to connect a 120mm PC fan to a 4 inch duct/pipe/dryer hose. You can download the STL file from the original listing below and print it at home.

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1,872 saves Source: MakerWorld Updated 2026-09-27 Print time: 2h 2m Filament: 78 g License: CC-BY · commercial OK ★ 5.0 (61) 1,130 makes Category: Home & Organization

Tags: parametric, 360, fusion, pipe, 4, fan, adapter, dryer, duct, hose, inch, 120mm, f3d, customizer, customizable

About this model

This is an adapter to connect a 120mm PC fan to a 4 inch duct/pipe/dryer hose. I know there are already models like this out there, but I always find something I wish was done a little differently, so here's mine. It has the following features:Fully parametric through Makerworld's customizer in case you have a different sized fan, duct, or if you think I got something wrong (with labels and comments to make it easy to follow)Everything slightly chamfered on the bottom for built in elephants foot compensation (not that it would affect much anyhow)Chamfered top to make it easier to seat a duct to the adapter in the case you have a tight fitFairly thick attachment point for strengthFairly tall attachment point to give you plenty of room for tape or whateverRelatively tight fit compared to at …

Frequently asked questions

Is this 3D model free to download?
Yes. 120mm Fan to 4 Inch Duct (Customizable) is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link above to open the original listing.
Where is the STL hosted?
The download is hosted by MakerWorld, not by Thinger. We link you directly to the original listing by Tyler.
Who made this model?
Designed by Tyler, published on MakerWorld. 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.

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