Custom Tube adapter STL file ⌀ 72–46 mm (Length: 70 mm) 📦#7400

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Inline tube coupler ⌀72 mm to ⌀46 mm in STL format. Total length of this fitting is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The ends are rounded on the outside to make tube connection easier.
Generation date: 2026-02-21
3D Model Tube adapter STL file ⌀ 72–46 mm (Length: 70 mm)

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  • inline-tube-adapter-lenA30mm-d_model7400-nb0_dd{id}.stl : 11.4 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
No compliance warranty No compliance warranty
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Values for this model

This model was generated by the Inline tube adapter template, with the following values:
Parameter Value
#1 side A length 30 mm (≃1 3/16 in)
#2 side A outer diameter 72 mm (≃2.83 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 30 mm (≃1 3/16 in)
#5 side B outer diameter 46 mm (≃1 13/16 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 10 mm (≃0.39 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 68 mm (≃2 11/16 in)
inner diameter (side B) 42 mm (≃1.65 in)
total length 70 mm (≃2 3/4 in)
illustration of the parameters
Parameter overview

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

Parameter Label
#1 side A length lenA
#2 side A outer diameter diA
#3 side A thickness thA
#4 side B length lenB
#5 side B outer diameter diB
#6 side B thickness thB
#7 transition length tra
#8 axis offset ofs
#9 ends fillet fil

Related 3D models

To search for a model based on your own parameters, go to the template page Inline tube adapter 

Tube adapter STL 3D file ⌀ 60–42 mm (Length: 70 mm) (📦 #6025)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 60–42 mm (Length: 70 mm)
Straight tube connector ⌀60 mm to ⌀42 mm in STL 3D format. Length of this junction is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The ends have a fillet on the outside to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 60 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 42 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 57–50 mm (Length: 70 mm) (📦 #4752)

1 object(s) - format STL
Tubing adapter STL file ⌀ 57–50 mm (Length: 70 mm)
Tube reducer ⌀57 mm to ⌀50 mm in STL 3D format. Final length of this sleeve is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 25 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 35 mm
side A outer diameter 57 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 94–58 mm (Length: 75 mm) (📦 #7222)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 94–58 mm (Length: 75 mm)
Inline sleeve ⌀94 mm to ⌀58 mm in STL 3D format. Final length of this adapter is 75 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The ends have a fillet on the outside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 94 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 58 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 66–41 mm (Length: 90 mm) (📦 #1793)

1 object(s) - format STL
Tube adapter STL file ⌀ 66–41 mm (Length: 90 mm)
Straight tube adapter ⌀66 mm to ⌀41 mm in STL format. Length of this reducer is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 45 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 40 mm
side A outer diameter 66 mm
side A thickness 2 mm
side B length 45 mm
side B outer diameter 41 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 80–58 mm (Length: 100 mm) (📦 #8529)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–58 mm (Length: 100 mm)
Inline tube coupler ⌀80 mm to ⌀58 mm in STL 3D format. Length of this sleeve is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 40 mm as well. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 58 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 70–69 mm (Length: 50 mm) (📦 #1394)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–69 mm (Length: 50 mm)
Diameter adapter ⌀70 mm to ⌀69 mm in STL 3D format. Length of this sleeve is 50 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 70 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 69 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 77–68 mm (Length: 55 mm) (📦 #11040)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 77–68 mm (Length: 55 mm)
Straight sleeve ⌀77 mm to ⌀68 mm in STL 3D format. Final length of this sleeve is 55 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 20 mm as well. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 77 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 68 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 79–74 mm (Length: 55 mm) (📦 #10867)

1 object(s) - format STL
Tube adapter STL file ⌀ 79–74 mm (Length: 55 mm)
Straight tube connector ⌀79 mm to ⌀74 mm in STL 3D format. Final length of this fitting is 55 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 25 mm
side A outer diameter 79 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 74 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 71–50 mm (Length: 70 mm) (📦 #8588)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 71–50 mm (Length: 70 mm)
Inline sleeve ⌀71 mm to ⌀50 mm in STL 3D format. Final length of this adapter is 70 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 71 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 58–47 mm (Length: 85 mm) (📦 #2827)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 58–47 mm (Length: 85 mm)
Tube coupler ⌀58 mm to ⌀47 mm in STL format. Length of this fitting is 85 mm. The larger-diameter tube has a thickness of 2.5 mm and a length of 35 mm. The smaller-diameter tube has a thickness of 3.2 mm and a length of 35 mm as well. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 35 mm
side A outer diameter 58 mm
side A thickness 2.5 mm
side B length 35 mm
side B outer diameter 47 mm
side B thickness 3.2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 72–65 mm (Length: 49 mm) (📦 #8717)

1 object(s) - format STL
Tube adapter STL file ⌀ 72–65 mm (Length: 49 mm)
Inline tubing adapter ⌀72 mm to ⌀65 mm in STL 3D format. Length of this coupler is 49 mm. The larger-diameter tube has a thickness of 3 mm and a length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 20 mm as well. The ends have a fillet on the outside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 72 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 9 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 69–65 mm (Length: 100 mm) (📦 #1393)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 69–65 mm (Length: 100 mm)
Inline tube coupler ⌀69 mm to ⌀65 mm in STL format. Final length of this fitting is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 50 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 96–66 mm (Length: 95 mm) (📦 #2875)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 96–66 mm (Length: 95 mm)
Straight sleeve ⌀96 mm to ⌀66 mm in STL 3D format. Total length of this adapter is 95 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 35 mm, the smaller one of 35 mm as well. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 35 mm
side A outer diameter 96 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 66 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 81–55 mm (Length: 80 mm) (📦 #1440)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 81–55 mm (Length: 80 mm)
Inline sleeve ⌀81 mm to ⌀55 mm in STL 3D format. Final length of this connector is 80 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends are rounded on the outside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 81 mm
side A thickness 2.5 mm
side B length 25 mm
side B outer diameter 55 mm
side B thickness 2.5 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 82–75 mm (Length: 45 mm) (📦 #10882)

1 object(s) - format STL
Tube adapter STL file ⌀ 82–75 mm (Length: 45 mm)
Straight tube reducer ⌀82 mm to ⌀75 mm in STL 3D format. Final length of this reducer is 45 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 20 mm as well. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 82 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 75 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 100–66 mm (Length: 95 mm) (📦 #2876)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–66 mm (Length: 95 mm)
Tube fitting ⌀100 mm to ⌀66 mm in STL format. Final length of this adapter is 95 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 35 mm, the smaller one of 35 mm as well. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 35 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 66 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 39–31 mm (Length: 80 mm) (📦 #2553)

1 object(s) - format STL
Tube adapter STL file ⌀ 39–31 mm (Length: 80 mm)
Tube connector ⌀39 mm to ⌀31 mm in STL format. Length of this adapter is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 40 mm. The ends feature an external fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 39 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 31 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 62–52 mm (Length: 33 mm) (📦 #8856)

1 object(s) - format STL
Tube adapter STL file ⌀ 62–52 mm (Length: 33 mm)
Straight tube fitting ⌀62 mm to ⌀52 mm in STL format. Length of this junction is 33 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 8 mm, the smaller one of 15 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 8 mm
side A outer diameter 62 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 52 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 49–46 mm (Length: 87 mm) (📦 #7194)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 49–46 mm (Length: 87 mm)
Inline sleeve ⌀49 mm to ⌀46 mm in STL 3D format. Length of this reducer is 87 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 37 mm, the smaller one of 40 mm. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 37 mm
side A outer diameter 49 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 46 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 60–40 mm (Length: 85 mm) (📦 #1123)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–40 mm (Length: 85 mm)
Inline tube adapter ⌀60 mm to ⌀40 mm in STL 3D format. Final length of this coupler is 85 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 40 mm as well. The axes of the tubes are off-center by 1 mm. The ends feature an external fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 40 mm
side B thickness 3 mm
transition length 5 mm
axis offset 1 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 62–58 mm (Length: 70 mm) (📦 #10493)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 62–58 mm (Length: 70 mm)
Straight sleeve ⌀62 mm to ⌀58 mm in STL 3D format. Final length of this adapter is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 62 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 58 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 70–61 mm (Length: 70 mm) (📦 #7958)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 70–61 mm (Length: 70 mm)
Tube reducer ⌀70 mm to ⌀61 mm in STL format. Length of this adapter is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The ends feature an internal fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 70 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 61 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 65–47 mm (Length: 80 mm) (📦 #3046)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 65–47 mm (Length: 80 mm)
Straight tube fitting ⌀65 mm to ⌀47 mm in STL format. Length of this adapter is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 65 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 47 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 69–60 mm (Length: 60 mm) (📦 #7962)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 69–60 mm (Length: 60 mm)
Inline tube adapter ⌀69 mm to ⌀60 mm in STL format. Final length of this coupler is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The ends are rounded on the inside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 69–60 mm (Length: 58 mm) (📦 #7960)

1 object(s) - format STL
Tube adapter STL file ⌀ 69–60 mm (Length: 58 mm)
Straight tubing adapter ⌀69 mm to ⌀60 mm in STL format. Length of this fitting is 58 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends have a fillet on the inside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 8 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 32–25 mm (Length: 80 mm) (📦 #9682)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 32–25 mm (Length: 80 mm)
Inline tube adapter ⌀32 mm to ⌀25 mm in STL format. Total length of this junction is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 35 mm. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 25 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 66–40 mm (Length: 75 mm) (📦 #2359)

1 object(s) - format STL
Tube adapter STL file ⌀ 66–40 mm (Length: 75 mm)
Diameter adapter ⌀66 mm to ⌀40 mm in STL format. Total length of this coupler is 75 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 30 mm. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 66 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 40 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 55–44 mm (Length: 65 mm) (📦 #9290)

1 object(s) - format STL
Tubing adapter STL file ⌀ 55–44 mm (Length: 65 mm)
Inline tube reducer ⌀55 mm to ⌀44 mm in STL 3D format. Final length of this fitting is 65 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 55 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 44 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 74–65 mm (Length: 49 mm) (📦 #8718)

1 object(s) - format STL
Tube adapter STL file ⌀ 74–65 mm (Length: 49 mm)
Tube junction ⌀74 mm to ⌀65 mm in STL format. Length of this junction is 49 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends feature an external fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 74 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 65 mm
side B thickness 3 mm
transition length 9 mm
axis offset 0 mm
ends fillet fillet on th...