Custom Distribution manifold 3 ways STL 3D file – Outer diameter 103 mm, wall thickness 1.5 mm 📦#7869

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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. Each branch is sized for tubes with an outer diameter of 103 mm and an inner diameter of 100 mm. This thickness (1.5 mm) corresponds to a thin wall. The ends are left without fillets, with raw inner and outer edges. The model could be adapted for custom installations, hose routing, or technical projects that need a compact distribution fitting.
Generation date: 2026-03-18
3D Model Distribution manifold 3 ways STL 3D file – Outer diameter 103 mm, wall thickness 1.5 mm

3D model download

Free
  • multi-way-tube-splitter-nbP3-o_model7869-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 103 mm (≃4 1/16 in)
#3 inner diameter 100 mm (≃3 15/16 in)
#4 end fillets none
Metadata Value
wall thickness 1.5 mm (≃1/16 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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Multi-tubes connector 3 tubes STL 3D file – Outer diameter 80 mm, wall thickness 1 mm (📦 #6816)

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Parameter Value Unit
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1 object(s) - format STL
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Parameter Value Unit
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Download this STL 3D multi-tubes fitting model with 3 tubes. 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 168 mm and an inner diameter of 124 mm. This thickness (22 mm) corresponds to a very thick wall. 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
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1 object(s) - format STL
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This STL 3D ways distribution manifold with 3 ways is available for 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 150 mm and provide an internal passage of 147 mm. This thickness (1.5 mm) corresponds to a thin wall. No end fillets are applied, so both the inner and outer edges remain sharp. 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
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3D STL model of a tubes distribution manifold with 3 tubes, ready to use in your projects. The connector has a Y-shaped layout with 3 tubes, spaced 120° apart around the center axis. Each branch is sized for tubes with an outer diameter of 50 mm and an inner diameter of 46 mm. This thickness (2 mm) corresponds to a thin wall. The ends are left without fillets, with raw inner and outer edges. 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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3 ways connector STL 3D model – Outer diameter 51 mm, wall thickness 3 mm (📦 #8687)

1 object(s) - format STL
3 ways connector STL 3D model – Outer diameter 51 mm, wall thickness 3 mm
Download this STL 3D multi-ways connector model with 3 ways. 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 51 mm and provide an internal passage of 45 mm. The wall thickness is 3 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
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3 ways fitting STL 3D model – Outer diameter 103 mm, wall thickness 1 mm (📦 #5024)

1 object(s) - format STL
3 ways fitting STL 3D model – Outer diameter 103 mm, wall thickness 1 mm
Download this STL 3D hoses distribution manifold model with 3 hoses. The connector has a Y-shaped layout with 3 hoses, spaced 120° apart around the center axis. The connector is designed for tubes with a 103 mm outer diameter and a 101 mm inner diameter. This part uses a very thin wall (1 mm). The external edges at each branch end are softened with fillets, which helps when inserting into an existing duct. 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
outer diameter 103 mm
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4 ways connector STL 3D file – Outer diameter 100 mm, wall thickness 5 mm (📦 #8518)

1 object(s) - format STL
4 ways connector STL 3D file – Outer diameter 100 mm, wall thickness 5 mm
Download this STL 3D ways distribution manifold model with 4 ways. The connector uses a cross-shaped layout, with 4 ways set 90° from one another. The branch sections accept tubes with an outer diameter of 100 mm and provide an internal passage of 90 mm. The external edges at each branch end are softened with fillets, which helps when inserting into an existing duct. 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 4
outer diameter 100 mm
inner diameter 90 mm
end fillets outside

Star-pattern connector 3 ways STL file – Outer diameter 42 mm, wall thickness 2 mm (📦 #5177)

1 object(s) - format STL
star-pattern connector 3 ways STL file – Outer diameter 42 mm, wall thickness 2 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 42 mm and provide an internal passage of 38 mm. This thickness (2 mm) corresponds to a thin wall. 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 42 mm
inner diameter 38 mm
end fillets none

Star-pattern fitting 3 hoses STL 3D model – Outer diameter 80 mm, wall thickness 2 mm (📦 #8508)

1 object(s) - format STL
star-pattern fitting 3 hoses STL 3D model – Outer diameter 80 mm, wall thickness 2 mm
STL 3D file of a multi-way ways manifold with 3 ways, ready to download. The connector has a Y-shaped layout with 3 ways, spaced 120° apart around the center axis. The connector is designed for tubes with a 80 mm outer diameter and a 76 mm inner diameter. The connector features a thin wall (2 mm). The external edges at each branch end are softened with fillets, which helps when inserting into an existing duct. 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
outer diameter 80 mm
inner diameter 76 mm
end fillets outside

Multi-ways fitting 3 ways STL file – Outer diameter 75.5 mm, wall thickness 1.75 mm (📦 #5440)

1 object(s) - format STL
multi-ways fitting 3 ways STL file – Outer diameter 75.5 mm, wall thickness 1.75 mm
This STL 3D multi-ways fitting with 3 ways is available for download. The connector has a Y-shaped layout with 3 ways, spaced 120° apart around the center axis. The connector is designed for tubes with a 75.5 mm outer diameter and a 72 mm inner diameter. The wall is thin, with a thickness of 1.75 mm. External fillets are added at the ends to make it easier to slip the connector into ducts or hoses. 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 75.5 mm
inner diameter 72 mm
end fillets outside

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1 object(s) - format STL
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Parameter Value Unit
number of ports 3
outer diameter 39 mm
inner diameter 36 mm
end fillets none

Multi-ways fitting 3 ways STL 3D model – Outer diameter 40 mm, wall thickness 2.5 mm (📦 #5462)

1 object(s) - format STL
multi-ways fitting 3 ways STL 3D model – Outer diameter 40 mm, wall thickness 2.5 mm
This STL 3D hoses distribution manifold with 3 hoses is available for download. The connector has a Y-shaped layout with 3 hoses, spaced 120° apart around the center axis. Each branch is sized for tubes with an outer diameter of 40 mm and an inner diameter of 35 mm. This model uses a wall of 2.5 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 40 mm
inner diameter 35 mm
end fillets none

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

1 object(s) - format STL
multi-ways connector 3 ways STL file – Outer diameter 39 mm, wall thickness 2 mm
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.
Parameter Value Unit
number of ports 3
outer diameter 39 mm
inner diameter 35 mm
end fillets none

3 ways fitting STL file – Outer diameter 36 mm, wall thickness 1.65 mm (📦 #9395)

1 object(s) - format STL
3 ways fitting STL file – Outer diameter 36 mm, wall thickness 1.65 mm
Download this STL 3D multi-ways connector model with 3 ways. The connector has a Y-shaped layout with 3 ways, spaced 120° apart around the center axis. The branch sections accept tubes with an outer diameter of 36 mm and provide an internal passage of 32.7 mm. The connector features a thin wall (1.65 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 3
outer diameter 36 mm
inner diameter 32.7 mm
end fillets none