---
title: "Inline 3-fan cowling 120 mm to 100 mm Pipe (Noctua Fan)"
description: "Inline 3-fan cowling 120 mm to 100 mm Pipe (Noctua Fan) is a 3D printable model (adapters & couplers) by Tugsynz on the SpeakCAD marketplace, 1040 × 145 × 151 mm: STL and 3MF, free, editable with AI in the browser before you print it."
canonical: https://speakcad.com/marketplace/inline-3-fan-cowling-120-mm-to-100-mm-pipe-noctua-fan-7100e7
published: 2026-10-25
updated: 2026-10-25
publisher: SpeakCAD
---

# Inline 3-fan cowling 120 mm to 100 mm Pipe (Noctua Fan)

> Inline 3-fan cowling 120 mm to 100 mm Pipe (Noctua Fan) is a 3D printable model (adapters & couplers) by Tugsynz on the SpeakCAD marketplace, 1040 × 145 × 151 mm: STL and 3MF, free, editable with AI in the browser before you print it.

## About this model

Inline duct system for mounting three 120 mm Noctua fans horizontally with 100 mm gaps between them. The assembly tapers from 120 mm to 100 mm diameter and includes a wall-mounted bracket, spacers with flow-straightening vanes, and an intake duct. Overall assembled length 1040 mm, spacers 100 mm long with 114 mm bore, intake duct 100 mm tall. Four M4 bolt holes on 105 mm centres throughout. Vanes and flanges print mostly without supports; the intake duct's open tube hangs downward from its single flange.

## Facts

- Category: Adapters & couplers
- Maker: Tugsynz
- Size: 1040 × 145 × 151 mm
- Volume: 1047.6 cm³
- Formats: STL, 3MF (G-code sliced for 380+ printers in the editor)
- Price: free
- Editable: yes, change any dimension with the AI or by typing a number in the viewer before printing
- Licence: personal use; Tugsynz keeps ownership of the design

## Get it

- Get it in SpeakCAD: https://app.speakcad.com/market/inline-3-fan-cowling-120-mm-to-100-mm-pipe-noctua-fan-7100e7
- No printer? Order it printed and delivered: https://app.speakcad.com/print?listing=inline-3-fan-cowling-120-mm-to-100-mm-pipe-noctua-fan-7100e7
- More models: https://speakcad.com/marketplace?category=adapters

## About SpeakCAD

SpeakCAD is the most intuitive CAD for 3D printing, made for people who own a 3D printer and need a part that fits something they have: tap a face and type a size to shape it with simple tools, or describe it to the AI, on your phone or computer, and download a print-ready STL, 3MF or G-code sliced for your printer.

SpeakCAD works inside ChatGPT and Claude as a plugin (an MCP server): ask the assistant for a part with its measurements and SpeakCAD's own CAD AI designs it, shows it in 3D in the chat and hands over a print-ready STL, 3MF or G-code sliced for your printer.

- Live demo, no account: https://speakcad.com/demo
- In ChatGPT, Claude and other MCP clients: https://speakcad.com/chatgpt-plugin, https://speakcad.com/claude-connector, https://speakcad.com/mcp-server
- Pricing: https://speakcad.com/pricing
- FAQ: https://speakcad.com/faq
- Site index for AI assistants: https://speakcad.com/llms.txt