QiDi Q2 - 4 Inch Exhaust Duct

4-Inch Exhaust Duct for Qidi Q2 – Improved, Optimized, and Easy to Install

Upgrade your Qidi Q2 airflow setup with this redesigned 4-inch exhaust duct, engineered to offer smoother airflow and easier hose connections compared to the original design.

This custom model adapts the stock 3" exhaust port to a full 4-inch outlet, allowing for increased ventilation efficiency—perfect for users running enclosed prints, venting outdoors, or managing fumes more effectively. The Outlet is slightly undersized, designed for standard 4-inch duct hose. 

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Printed on the QiDi Q2

• 0.20 Layer Height

• 30% Honeycomb infill

• Tree supports

• Sirayatech ABS-GF Filament 

Whether you're upgrading your ventilation system or simply want a more user-friendly design, this improved exhaust duct is a practical, print-ready solution for enhancing your Qidi Q2 experience.

Key Improvements:

3" to 4" Conversion: Enlarged outlet for improved airflow and compatibility with standard 4" ducting systems.

Internal Chamfers: Added throughout the internal duct path to reduce turbulence and ensure smoother air movement.

Angled Outlet: Slightly angled for easier hose attachment and less strain on your setup.

Ribbed Flange: Fits standard Hose clamps, Zip ties or Apok84's 3d printable clamps (See link)

( https://www.printables.com/model/1338893-100mm-4in-hose-clamp )

Drop-in Fit: Designed specifically for the Qidi Q2, ensuring a secure and reliable fit without modifications. (The original Model fit too tightly)