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

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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.
Generation date: 2025-09-14
3D Model Tube adapter STL file ⌀ 66–41 mm (Length: 90 mm)

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  • inline-tube-adapter-lenA40mm-d_model1793-nb0_dd{id}.stl : 10 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
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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 40 mm (≃1 9/16 in)
#2 side A outer diameter 66 mm (≃2.60 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 45 mm (≃1.77 in)
#5 side B outer diameter 41 mm (≃1 5/8 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 5 mm (≃3/16 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 62 mm (≃2 7/16 in)
inner diameter (side B) 37 mm (≃1.46 in)
total length 90 mm (≃3.54 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

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

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...

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...

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

1 object(s) - format STL
Tube adapter STL file ⌀ 72–46 mm (Length: 70 mm)
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.
Parameter Value Unit
side A length 30 mm
side A outer diameter 72 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 46 mm
side B thickness 2 mm
transition length 10 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...

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...

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...

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 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...

Tubing adapter STL file ⌀ 64–42 mm (Length: 95 mm) (📦 #8094)

1 object(s) - format STL
Tubing adapter STL file ⌀ 64–42 mm (Length: 95 mm)
Straight tube connector ⌀64 mm to ⌀42 mm in STL 3D format. Total length of this junction 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 50 mm. The ends are not rounded.
Parameter Value Unit
side A length 35 mm
side A outer diameter 64 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 42 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

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 ⌀ 66–40 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

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...

Tube adapter STL file ⌀ 80–75 mm (Length: 100 mm) (📦 #1220)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–75 mm (Length: 100 mm)
Inline tube coupler ⌀80 mm to ⌀75 mm in STL format. Total length of this adapter is 100 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 45 mm as well. The axes of the tubes are offset by 2.4 mm. The ends have a fillet on the outside to make tube connection easier.
Parameter Value Unit
side A length 45 mm
side A outer diameter 80 mm
side A thickness 2.5 mm
side B length 45 mm
side B outer diameter 75 mm
side B thickness 2.5 mm
transition length 10 mm
axis offset 2.4 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 80–75 mm (Length: 101 mm) (📦 #1219)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–75 mm (Length: 101 mm)
Straight tube adapter ⌀80 mm to ⌀75 mm in STL 3D format. Final length of this reducer is 101 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 46 mm, the smaller one of 45 mm. The axes of the tubes are off-center by 2.4 mm. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 46 mm
side A outer diameter 80 mm
side A thickness 2.5 mm
side B length 45 mm
side B outer diameter 75 mm
side B thickness 2.5 mm
transition length 10 mm
axis offset 2.4 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 44–40 mm (Length: 110 mm) (📦 #8091)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 44–40 mm (Length: 110 mm)
Tubing adapter ⌀44 mm to ⌀40 mm in STL format. Final length of this junction is 110 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 44 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 40 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

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...

Tubing adapter STL file ⌀ 50–45 mm (Length: 95 mm) (📦 #8082)

1 object(s) - format STL
Tubing adapter STL file ⌀ 50–45 mm (Length: 95 mm)
Inline tube junction ⌀50 mm to ⌀45 mm in STL 3D format. Final length of this connector is 95 mm. The larger-diameter tube has a thickness of 2 mm and a sleeve length of 35 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 50 mm. The ends are not rounded.
Parameter Value Unit
side A length 35 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 45 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 68–39 mm (Length: 100 mm) (📦 #3160)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 68–39 mm (Length: 100 mm)
Tube junction ⌀68 mm to ⌀39 mm in STL format. Final length of this reducer is 100 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 50 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 68 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 39 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 39–36 mm (Length: 100 mm) (📦 #7761)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 39–36 mm (Length: 100 mm)
Straight tubing adapter ⌀39 mm to ⌀36 mm in STL 3D format. Total length of this sleeve is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 40 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 39 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 36 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 53–46 mm (Length: 100 mm) (📦 #8995)

1 object(s) - format STL
Tubing adapter STL file ⌀ 53–46 mm (Length: 100 mm)
Tube coupler ⌀53 mm to ⌀46 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 length of 30 mm, the smaller one of 60 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 53 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 46 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 39–30 mm (Length: 80 mm) (📦 #6726)

1 object(s) - format STL
Tube adapter STL file ⌀ 39–30 mm (Length: 80 mm)
Inline tubing adapter ⌀39 mm to ⌀30 mm in STL format. Final length of this connector is 80 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 35 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 35 mm
side A outer diameter 39 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 30 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 48–41 mm (Length: 90 mm) (📦 #8137)

1 object(s) - format STL
Tubing adapter STL file ⌀ 48–41 mm (Length: 90 mm)
Inline fitting ⌀48 mm to ⌀41 mm in STL format. Final length of this adapter is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 30 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 48 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 41 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 48–40 mm (Length: 90 mm) (📦 #8140)

1 object(s) - format STL
Tube adapter STL file ⌀ 48–40 mm (Length: 90 mm)
Tube coupler ⌀48 mm to ⌀40 mm in STL 3D format. Final length of this adapter is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 30 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 48 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 40 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 47–41 mm (Length: 90 mm) (📦 #8139)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 47–41 mm (Length: 90 mm)
Tubing reducer ⌀47 mm to ⌀41 mm in STL 3D format. Final length of this junction is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 47 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 41 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 56–50 mm (Length: 120 mm) (📦 #1493)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL 3D file ⌀ 56–50 mm (Length: 120 mm)
Inline fitting ⌀56 mm to ⌀50 mm in STL format. Length of this adapter is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 56 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 46–40 mm (Length: 91 mm) (📦 #8135)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 46–40 mm (Length: 91 mm)
Inline tube coupler ⌀46 mm to ⌀40 mm in STL 3D format. Total length of this coupler is 91 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 46 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 40 mm
side B thickness 2 mm
transition length 11 mm
axis offset 0 mm
ends fillet no fillet