Custom Tube adapter STL 3D file ⌀ 75–50 mm (Length: 100 mm) 📦#1238

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Tube fitting ⌀75 mm to ⌀50 mm in STL 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 20 mm, the smaller one of 20 mm as well. The axes of the tubes are off-center by 12.4 mm. The ends have no fillet.
Generation date: 2025-07-20
3D Model Tube adapter STL 3D file ⌀ 75–50 mm (Length: 100 mm)

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  • inline-tube-adapter-lenA20mm-d_model1238-nb0_dd{id}.stl : 197 Ko
STL Mesh quality : not defined
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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 20 mm (≃0.79 in)
#2 side A outer diameter 75 mm (≃2 15/16 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 20 mm (≃0.79 in)
#5 side B outer diameter 50 mm (≃1.97 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 60 mm (≃2 3/8 in)
#8 axis offset 12.4 mm (≃1/2 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 71 mm (≃2.80 in)
inner diameter (side B) 46 mm (≃1 13/16 in)
total length 100 mm (≃3 15/16 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 ⌀ 90–68 mm (Length: 90 mm) (📦 #1188)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 90–68 mm (Length: 90 mm)
Tube connector ⌀90 mm to ⌀68 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 15 mm, the smaller one of 30 mm. The two axes of the tubes are offset by 10 mm. The ends are not rounded.
Parameter Value Unit
side A length 15 mm
side A outer diameter 90 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 68 mm
side B thickness 2 mm
transition length 45 mm
axis offset 10 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 94–60 mm (Length: 80 mm) (📦 #1685)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 94–60 mm (Length: 80 mm)
Straight sleeve ⌀94 mm to ⌀60 mm in STL 3D format. Total length of this sleeve 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 20 mm as well. The two axes of the tubes are offset by 15 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 94 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 40 mm
axis offset 15 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 84–54 mm (Length: 100 mm) (📦 #4642)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 84–54 mm (Length: 100 mm)
Inline tubing adapter ⌀84 mm to ⌀54 mm in STL format. Final length of this coupler 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 30 mm as well. The two axes of the tubes are off-center by 10 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 84 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 54 mm
side B thickness 2 mm
transition length 40 mm
axis offset 10 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 69–28 mm (Length: 85 mm) (📦 #8782)

1 object(s) - format STL
Tubing adapter STL file ⌀ 69–28 mm (Length: 85 mm)
Straight sleeve ⌀69 mm to ⌀28 mm in STL format. Final length of this junction is 85 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 15 mm, the smaller one of 10 mm. The axes of the tubes are off-center by 19.5 mm. The ends are raw.
Parameter Value Unit
side A length 15 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 28 mm
side B thickness 2 mm
transition length 60 mm
axis offset 19.5 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 60–15 mm (Length: 65 mm) (📦 #9935)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 60–15 mm (Length: 65 mm)
Tube adapter ⌀60 mm to ⌀15 mm in STL format. Total length of this coupler is 65 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 10 mm, the smaller one of 15 mm. The two axes of the tubes are off-center by 10 mm. The ends have no fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 60 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 40 mm
axis offset 10 mm
ends fillet no fillet

Tube adapter STL file ⌀ 103–61 mm (Length: 100 mm) (📦 #4667)

1 object(s) - format STL
Tube adapter STL file ⌀ 103–61 mm (Length: 100 mm)
Tube reducer ⌀103 mm to ⌀61 mm in STL 3D format. Length of this connector is 100 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 30 mm as well. The two axes of the tubes are off-center by 10 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 103 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 61 mm
side B thickness 3 mm
transition length 40 mm
axis offset 10 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 61–12 mm (Length: 90 mm) (📦 #1325)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 61–12 mm (Length: 90 mm)
Inline tube reducer ⌀61 mm to ⌀12 mm in STL format. Length of this junction is 90 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 axes of the tubes are off-center by 20 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 61 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 50 mm
axis offset 20 mm
ends fillet no fillet

Tube adapter STL file ⌀ 100–60 mm (Length: 70 mm) (📦 #1115)

1 object(s) - format STL (4.9/5) 8 vote(s)
Tube adapter STL file ⌀ 100–60 mm (Length: 70 mm)
Straight tube adapter ⌀100 mm to ⌀60 mm in STL format. Length of this fitting is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 10 mm, the smaller one of 20 mm. The two axes of the tubes are off-center by 15 mm. The ends are rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 10 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 40 mm
axis offset 15 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 61–12 mm (Length: 95 mm) (📦 #1339)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL file ⌀ 61–12 mm (Length: 95 mm)
Straight sleeve ⌀61 mm to ⌀12 mm in STL 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 25 mm, the smaller one of 20 mm. The two axes of the tubes are off-center by 20 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 61 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 50 mm
axis offset 20 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 104–75 mm (Length: 130 mm) (📦 #6581)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 104–75 mm (Length: 130 mm)
Straight tube adapter ⌀104 mm to ⌀75 mm in STL format. Length of this coupler is 130 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 40 mm as well. The two axes of the tubes are off-center by 11.4 mm. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 104 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 50 mm
axis offset 11.4 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 115–74 mm (Length: 75 mm) (📦 #7998)

1 object(s) - format STL
Tubing adapter STL file ⌀ 115–74 mm (Length: 75 mm)
Inline sleeve ⌀115 mm to ⌀74 mm in STL format. Length of this connector is 75 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 15 mm, the smaller one of 20 mm. The axes of the tubes are offset by 15 mm. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 15 mm
side A outer diameter 115 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 74 mm
side B thickness 2 mm
transition length 40 mm
axis offset 15 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 116–74 mm (Length: 85 mm) (📦 #8002)

1 object(s) - format STL
Tubing adapter STL file ⌀ 116–74 mm (Length: 85 mm)
Tube adapter ⌀116 mm to ⌀74 mm in STL 3D format. Final length of this junction is 85 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 20 mm. The two axes of the tubes are offset by 15 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 116 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 74 mm
side B thickness 2 mm
transition length 40 mm
axis offset 15 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 82–61 mm (Length: 100 mm) (📦 #1969)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 82–61 mm (Length: 100 mm)
Inline fitting ⌀82 mm to ⌀61 mm in STL format. Total length of this connector is 100 mm. The larger-diameter tube has a thickness of 2 mm and a length of 20 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 20 mm as well. The ends are not rounded.
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 61 mm
side B thickness 3 mm
transition length 60 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 116–79 mm (Length: 85 mm) (📦 #8017)

1 object(s) - format STL
Tube adapter STL file ⌀ 116–79 mm (Length: 85 mm)
Tube adapter ⌀116 mm to ⌀79 mm in STL 3D format. Final length of this reducer is 85 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 20 mm. The two axes of the tubes are offset by 15 mm. The ends feature an external fillet to ease the connection.
Parameter Value Unit
side A length 25 mm
side A outer diameter 116 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 79 mm
side B thickness 2 mm
transition length 40 mm
axis offset 15 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 60–15 mm (Length: 105 mm) (📦 #2404)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 60–15 mm (Length: 105 mm)
Tube coupler ⌀60 mm to ⌀15 mm in STL format. Length of this adapter is 105 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 30 mm. The axes of the tubes are off-center by 20 mm. The ends have a fillet on the outside to make tube connection easier.
Parameter Value Unit
side A length 25 mm
side A outer diameter 60 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 50 mm
axis offset 20 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 60–12 mm (Length: 95 mm) (📦 #1674)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–12 mm (Length: 95 mm)
Straight tube fitting ⌀60 mm to ⌀12 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 sleeve length of 25 mm, the smaller one of 20 mm. The two axes of the tubes are offset by 20 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 25 mm
side A outer diameter 60 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 50 mm
axis offset 20 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 111–79 mm (Length: 85 mm) (📦 #8022)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 111–79 mm (Length: 85 mm)
Straight sleeve ⌀111 mm to ⌀79 mm in STL 3D format. Length of this fitting is 85 mm. The larger-diameter tube has a thickness of 3 mm and a length of 25 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 20 mm. The two axes of the tubes are off-center by 14.9 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 25 mm
side A outer diameter 111 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 79 mm
side B thickness 2 mm
transition length 40 mm
axis offset 14.9 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 100–38 mm (Length: 110 mm) (📦 #7444)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–38 mm (Length: 110 mm)
Straight tube connector ⌀100 mm to ⌀38 mm in STL format. Total length of this reducer is 110 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 have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 38 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 80–60 mm (Length: 70 mm) (📦 #3752)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 80–60 mm (Length: 70 mm)
Inline fitting ⌀80 mm to ⌀60 mm in STL 3D format. Total length of this connector is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 15 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 15 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 78–43 mm (Length: 120 mm) (📦 #7593)

1 object(s) - format STL
Tube adapter STL file ⌀ 78–43 mm (Length: 120 mm)
Tubing reducer ⌀78 mm to ⌀43 mm in STL format. Total length of this sleeve is 120 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 no fillet.
Parameter Value Unit
side A length 35 mm
side A outer diameter 78 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 43 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 90–56 mm (Length: 110 mm) (📦 #8151)

1 object(s) - format STL
Tube adapter STL file ⌀ 90–56 mm (Length: 110 mm)
Tube fitting ⌀90 mm to ⌀56 mm in STL format. Final length of this coupler is 110 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 20 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 90 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 56 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 36–26 mm (Length: 100 mm) (📦 #7731)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 36–26 mm (Length: 100 mm)
Tubing reducer ⌀36 mm to ⌀26 mm in STL 3D 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 20 mm, the smaller one of 20 mm as well. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 36 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 26 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 81–61 mm (Length: 115 mm) (📦 #2666)

1 object(s) - format STL
Tube adapter STL file ⌀ 81–61 mm (Length: 115 mm)
Inline tube coupler ⌀81 mm to ⌀61 mm in STL 3D format. Final length of this coupler is 115 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 15 mm, the smaller one of 15 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 81 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 61 mm
side B thickness 2 mm
transition length 85 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 96–58 mm (Length: 120 mm) (📦 #8155)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 96–58 mm (Length: 120 mm)
Tubing reducer ⌀96 mm to ⌀58 mm in STL 3D format. Length of this reducer is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 20 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 96 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 58 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 73–64 mm (Length: 90 mm) (📦 #8635)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 73–64 mm (Length: 90 mm)
Inline tubing adapter ⌀73 mm to ⌀64 mm in STL format. Final length of this connector is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 10 mm, the smaller one of 20 mm. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 73 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 64 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 70–42 mm (Length: 80 mm) (📦 #1901)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–42 mm (Length: 80 mm)
Inline tube junction ⌀70 mm to ⌀42 mm in STL 3D format. Total length of this coupler is 80 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 two axes of the tubes are offset by 13.8 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 70 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 42 mm
side B thickness 3 mm
transition length 20 mm
axis offset 13.8 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 71–65 mm (Length: 90 mm) (📦 #8649)

1 object(s) - format STL
Tubing adapter STL file ⌀ 71–65 mm (Length: 90 mm)
Straight tube connector ⌀71 mm to ⌀65 mm in STL 3D format. 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 20 mm, the smaller one 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 71 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...