Custom Multi-ways connector 3 ways STL file – Outer diameter 39 mm, wall thickness 2 mm 📦#7082

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Download this STL 3D multi-way tubes manifold model with 3 tubes. This Y-style model provides 3 tubes, each separated by 120° for a balanced flow split. The branch sections accept tubes with an outer diameter of 39 mm and provide an internal passage of 35 mm. The connector features a thin wall (2 mm). The tube ends stay straight, with no internal or external fillets. It could be used to branch off flexible ducts, hoses, or rigid pipes in custom layouts.
Generation date: 2026-02-04
3D Model Multi-ways connector 3 ways STL file – Outer diameter 39 mm, wall thickness 2 mm

3D model download

Free
  • multi-way-tube-splitter-nbP3-o_model7082-nb0_dd{id}.stl : 118.1 Ko
STL Mesh quality : Linear deflection 0.001 Angular deflection 0.1
No compliance warranty No compliance warranty
(Internal and private use, non-commercial – no distribution – no derivatives)
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Values for this model

This model was generated by the Multi-way Tube Splitter / Connector template, with the following values:
Parameter Value
#1 number of ports 3
#2 outer diameter 39 mm (≃1.54 in)
#3 inner diameter 35 mm (≃1 3/8 in)
#4 end fillets none
Metadata Value
wall thickness 2 mm (≃0.08 in)
illustration of the parameters
Parameter overview

The usable length of each branch, measured from the central hub to the end of the tube, is equal to the outer diameter × 1.2.

Labels are used in the naming of the downloaded 3D files.

Parameter Label
#1 number of ports nbP
#2 outer diameter ouD
#3 inner diameter inD
#4 end fillets fil

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To search for a model based on your own parameters, go to the template page Multi-way Tube Splitter / Connector 

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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
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1 object(s) - format STL
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Parameter Value Unit
number of ports 3
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1 object(s) - format STL
star-pattern fitting 3 tubes STL 3D file – Outer diameter 62 mm, wall thickness 2.5 mm
3D STL model of a multi-way ways manifold with 3 ways, ready to use in your projects. This Y-style model provides 3 ways, each separated by 120° for a balanced flow split. The connector is designed for tubes with a 62 mm outer diameter and a 57 mm inner diameter. The wall has a thickness of 2.5 mm. The ends are left without fillets, with raw inner and outer edges. This multi-way connector could be used in ventilation setups, air distribution lines, or fluid circuits where the flow needs to be split.
Parameter Value Unit
number of ports 3
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3 hoses connector STL 3D model – Outer diameter 62 mm, wall thickness 2.25 mm (📦 #5710)

1 object(s) - format STL
3 hoses connector STL 3D model – Outer diameter 62 mm, wall thickness 2.25 mm
STL 3D file of a multi-ways fitting with 3 ways, ready to download. This Y-style model provides 3 ways, each separated by 120° for a balanced flow split. The branch sections accept tubes with an outer diameter of 62 mm and provide an internal passage of 57.5 mm. The wall has a thickness of 2.25 mm. The tube ends stay straight, with no internal or external fillets. This part could suit extraction systems, air-cooling setups, or any project where a flow has to be routed toward several outlets.
Parameter Value Unit
number of ports 3
outer diameter 62 mm
inner diameter 57.5 mm
end fillets none

Star-pattern connector 3 ways STL file – Outer diameter 63 mm, wall thickness 3 mm (📦 #6035)

1 object(s) - format STL
star-pattern connector 3 ways STL file – Outer diameter 63 mm, wall thickness 3 mm
STL 3D file of a tubes distribution manifold with 3 tubes, ready to download. The connector has a Y-shaped layout with 3 tubes, spaced 120° apart around the center axis. The branch sections accept tubes with an outer diameter of 63 mm and provide an internal passage of 57 mm. The wall thickness is 3 mm. No end fillets are applied, so both the inner and outer edges remain sharp. It could be used to branch off flexible ducts, hoses, or rigid pipes in custom layouts.
Parameter Value Unit
number of ports 3
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1 object(s) - format STL
multi-ways fitting 3 ways STL file – Outer diameter 15 mm, wall thickness 1.5 mm
Download this STL 3D multi-way hoses manifold model with 3 hoses. This Y-style model provides 3 hoses, each separated by 120° for a balanced flow split. The connector is designed for tubes with a 15 mm outer diameter and a 12 mm inner diameter. The wall is thin, with a thickness of 1.5 mm. No end fillets are applied, so both the inner and outer edges remain sharp. It could be used to branch off flexible ducts, hoses, or rigid pipes in custom layouts.
Parameter Value Unit
number of ports 3
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Multi-tubes fitting 4 tubes STL 3D file – Outer diameter 24 mm, wall thickness 1.5 mm (📦 #8696)

1 object(s) - format STL
multi-tubes fitting 4 tubes STL 3D file – Outer diameter 24 mm, wall thickness 1.5 mm
Download this STL 3D hoses distribution manifold model with 4 hoses. The connector uses a cross-shaped layout, with 4 hoses set 90° from one another. Each branch is sized for tubes with an outer diameter of 24 mm and an inner diameter of 21 mm. The wall is thin, with a thickness of 1.5 mm. No end fillets are applied, so both the inner and outer edges remain sharp. This part could suit extraction systems, air-cooling setups, or any project where a flow has to be routed toward several outlets.
Parameter Value Unit
number of ports 4
outer diameter 24 mm
inner diameter 21 mm
end fillets none

Distribution manifold 3 tubes STL file – Outer diameter 9 mm, wall thickness 1.5 mm (📦 #4666)

1 object(s) - format STL
distribution manifold 3 tubes STL file – Outer diameter 9 mm, wall thickness 1.5 mm
Download this STL 3D multi-ways fitting model with 3 ways. The connector has a Y-shaped layout with 3 ways, spaced 120° apart around the center axis. Each branch is sized for tubes with an outer diameter of 9 mm and an inner diameter of 6 mm. The wall is thin, with a thickness of 1.5 mm. The tube ends stay straight, with no internal or external fillets. The model could be adapted for custom installations, hose routing, or technical projects that need a compact distribution fitting.
Parameter Value Unit
number of ports 3
outer diameter 9 mm
inner diameter 6 mm
end fillets none

Star-pattern connector 3 hoses STL 3D model – Outer diameter 32 mm, wall thickness 2 mm (📦 #6158)

1 object(s) - format STL
star-pattern connector 3 hoses STL 3D model – Outer diameter 32 mm, wall thickness 2 mm
STL 3D file of a multi-tubes connector with 3 tubes, ready to download. This Y-style model provides 3 tubes, each separated by 120° for a balanced flow split. Each branch is sized for tubes with an outer diameter of 32 mm and an inner diameter of 28 mm. This thickness (2 mm) corresponds to a thin wall. Internal end fillets improve the insertion lead-in and reduce the risk of aggressive burrs. It could be used to branch off flexible ducts, hoses, or rigid pipes in custom layouts.
Parameter Value Unit
number of ports 3
outer diameter 32 mm
inner diameter 28 mm
end fillets inside

Star-pattern connector 3 hoses STL 3D model – Outer diameter 9 mm, wall thickness 2.75 mm (📦 #8058)

1 object(s) - format STL
star-pattern connector 3 hoses STL 3D model – Outer diameter 9 mm, wall thickness 2.75 mm
STL 3D file of a multi-way tubes manifold with 3 tubes, ready to download. This Y-style model provides 3 tubes, each separated by 120° for a balanced flow split. The connector is designed for tubes with a 9 mm outer diameter and a 3.5 mm inner diameter. This model uses a wall of 2.75 mm. The tube ends stay straight, with no internal or external fillets. It could be used to branch off flexible ducts, hoses, or rigid pipes in custom layouts.
Parameter Value Unit
number of ports 3
outer diameter 9 mm
inner diameter 3.5 mm
end fillets none

3 tubes manifold STL 3D file – Outer diameter 6.3 mm, wall thickness 0.5 mm (📦 #8455)

1 object(s) - format STL
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STL 3D file of a ways distribution manifold with 3 ways, ready to download. The three branches are arranged evenly, with an angular step of 120° between each outlet. The connector is designed for tubes with a 6.3 mm outer diameter and a 5.3 mm inner diameter. This part uses a very thin wall (0.5 mm). The ends are left without fillets, with raw inner and outer edges. This part could suit extraction systems, air-cooling setups, or any project where a flow has to be routed toward several outlets.
Parameter Value Unit
number of ports 3
outer diameter 6.3 mm
inner diameter 5.3 mm
end fillets none