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6 Inch ( 150 mm ) Duct Coupler

Print Profile(1)

All
P1S
H2S
H2C
P1P
A1
P2S
H2D
X1 Carbon
X1
A1 mini
H2D Pro
X1E
X2D
A2L

0.2mm layer, 5 walls, 15% infill
0.2mm layer, 5 walls, 15% infill
Designer
7.2 h
1 plate
5.0(2)

Open in Bambu Studio
Boost
10
30
2
2
24
21
Released 

Description

A precision-fit 6-inch (150 mm) duct coupler designed for joining standard round duct sections using common duct clamps. This part is optimized for reliable alignment, strong grip, and consistent airflow sealing, making it ideal for ventilation, workshop extraction, grow setups, or custom HVAC projects.

 

When 3D printing duct components, slight variation can often cause loose joints or overly tight connections. This coupler is designed to compensate for those real-world tolerances, providing a forgiving but secure interface that reduces fitting frustration and improves assembly speed.

 

Printing notes

 

  • Prints vertically with no supports required
  • Works well with ASA, PETG, ABS, or other heat-resistant filaments

 

 

A practical solution for anyone printing their own duct systems who wants dependable fitment without constant scaling adjustments.

 

More Designs: Check out my profile for additional duct components including wyes, splitters, and 45° / 90° duct fittings to complete your system.

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License

This user content is licensed under the MakerWorld Exclusive License.

You may create derivative works based on this object, provided that all such derivative works are published exclusively on the MakerWorld platform and include proper attribution to the original creator. You may not share, upload, host, distribute, or publish this object—or any derivative work of this object—on any other digital platform, marketplace, or distribution channel. Commercial use of this object and any derivative works is strictly prohibited. This includes, but is not limited to, selling, renting, sublicensing, or using the object in any context in which you receive monetary compensation or other financial benefits.