Custom Tube adapter STL file ⌀ 79–36 mm (Length: 176 mm) 📦#9375

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Tube connector ⌀79 mm to ⌀36 mm in STL format. Final length of this fitting is 176 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 136 mm. The axes of the tubes are offset by 20 mm. The ends are not rounded.
Generation date: 2026-06-09
3D Model Tube adapter STL file ⌀ 79–36 mm (Length: 176 mm)

3D model download

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  • inline-tube-adapter-lenA30mm-d_model9375-nb0_dd{id}.stl : 9.6 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
No compliance warranty No compliance warranty
(attribution - commercial use allowed)
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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 79 mm (≃3 1/8 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 136 mm (≃5.35 in)
#5 side B outer diameter 36 mm (≃1.42 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 10 mm (≃0.39 in)
#8 axis offset 20 mm (≃0.79 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 75 mm (≃2 15/16 in)
inner diameter (side B) 32 mm (≃1 1/4 in)
total length 176 mm (≃6 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 

Tubing adapter STL 3D file ⌀ 55–30 mm (Length: 150 mm) (📦 #9186)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 55–30 mm (Length: 150 mm)
Tube reducer ⌀55 mm to ⌀30 mm in STL format. Final length of this coupler is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 100 mm. The two axes of the tubes are offset by 12.4 mm. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 55 mm
side A thickness 2 mm
side B length 100 mm
side B outer diameter 30 mm
side B thickness 2 mm
transition length 10 mm
axis offset 12.4 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 44–38 mm (Length: 180 mm) (📦 #6685)

1 object(s) - format STL
Tubing adapter STL file ⌀ 44–38 mm (Length: 180 mm)
Tube coupler ⌀44 mm to ⌀38 mm in STL 3D format. Length of this coupler is 180 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 120 mm. The two axes of the tubes are off-center by 2.9 mm. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 44 mm
side A thickness 2 mm
side B length 120 mm
side B outer diameter 38 mm
side B thickness 2 mm
transition length 20 mm
axis offset 2.9 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 47–28 mm (Length: 180 mm) (📦 #6702)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 47–28 mm (Length: 180 mm)
Tube coupler ⌀47 mm to ⌀28 mm in STL 3D format. Total length of this coupler is 180 mm. The larger-diameter tube has a thickness of 3 mm and a length of 40 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 120 mm. The axes of the tubes are off-center by 2.9 mm. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 47 mm
side A thickness 3 mm
side B length 120 mm
side B outer diameter 28 mm
side B thickness 2 mm
transition length 20 mm
axis offset 2.9 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 85–46 mm (Length: 122 mm) (📦 #8911)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 85–46 mm (Length: 122 mm)
Tube adapter ⌀85 mm to ⌀46 mm in STL format. Final length of this fitting is 122 mm. The larger-diameter tube has a thickness of 2.3 mm and a length of 22 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 65 mm. The axes of the tubes are offset by 20 mm. The ends have no fillet.
Parameter Value Unit
side A length 22 mm
side A outer diameter 85 mm
side A thickness 2.3 mm
side B length 65 mm
side B outer diameter 46 mm
side B thickness 3 mm
transition length 35 mm
axis offset 20 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 40–26 mm (Length: 200 mm) (📦 #7059)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 40–26 mm (Length: 200 mm)
Tube coupler ⌀40 mm to ⌀26 mm in STL format. Total length of this reducer is 200 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 150 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 40 mm
side A thickness 3 mm
side B length 150 mm
side B outer diameter 26 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 40–15 mm (Length: 165 mm) (📦 #4194)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 40–15 mm (Length: 165 mm)
Inline fitting ⌀40 mm to ⌀15 mm in STL 3D format. Final length of this junction is 165 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 150 mm. The ends have no fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 40 mm
side A thickness 2 mm
side B length 150 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 58–16 mm (Length: 195 mm) (📦 #7000)

1 object(s) - format STL
Tubing adapter STL file ⌀ 58–16 mm (Length: 195 mm)
Tube connector ⌀58 mm to ⌀16 mm in STL format. Length of this fitting is 195 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 5 mm, the smaller one of 175 mm. The axes of the tubes are off-center by 2 mm. The ends have no fillet.
Parameter Value Unit
side A length 5 mm
side A outer diameter 58 mm
side A thickness 2 mm
side B length 175 mm
side B outer diameter 16 mm
side B thickness 2 mm
transition length 15 mm
axis offset 2 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 56–17 mm (Length: 183 mm) (📦 #7300)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 56–17 mm (Length: 183 mm)
Inline sleeve ⌀56 mm to ⌀17 mm in STL format. Final length of this fitting is 183 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 8 mm, the smaller one of 135 mm. The ends are raw.
Parameter Value Unit
side A length 8 mm
side A outer diameter 56 mm
side A thickness 2 mm
side B length 135 mm
side B outer diameter 17 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 29–16 mm (Length: 195 mm) (📦 #6999)

1 object(s) - format STL
Tube adapter STL file ⌀ 29–16 mm (Length: 195 mm)
Tube adapter ⌀29 mm to ⌀16 mm in STL format. Final length of this fitting is 195 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 5 mm, the smaller one of 175 mm. The axes of the tubes are offset by 2 mm. The ends are not rounded.
Parameter Value Unit
side A length 5 mm
side A outer diameter 29 mm
side A thickness 2 mm
side B length 175 mm
side B outer diameter 16 mm
side B thickness 2 mm
transition length 15 mm
axis offset 2 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 29–15 mm (Length: 195 mm) (📦 #6998)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 29–15 mm (Length: 195 mm)
Tube fitting ⌀29 mm to ⌀15 mm in STL format. Total length of this connector is 195 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 5 mm, the smaller one of 175 mm. The two axes of the tubes are off-center by 2 mm. The ends are raw.
Parameter Value Unit
side A length 5 mm
side A outer diameter 29 mm
side A thickness 2 mm
side B length 175 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 15 mm
axis offset 2 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 56–17 mm (Length: 213 mm) (📦 #7299)

1 object(s) - format STL
Tubing adapter STL file ⌀ 56–17 mm (Length: 213 mm)
Straight tube coupler ⌀56 mm to ⌀17 mm in STL 3D format. Total length of this junction is 213 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 8 mm, the smaller one of 165 mm. The ends are raw.
Parameter Value Unit
side A length 8 mm
side A outer diameter 56 mm
side A thickness 2 mm
side B length 165 mm
side B outer diameter 17 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 80–77 mm (Length: 150 mm) (📦 #6566)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–77 mm (Length: 150 mm)
Inline sleeve ⌀80 mm to ⌀77 mm in STL format. Total length of this fitting is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 90 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 90 mm
side B outer diameter 77 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 84–81 mm (Length: 150 mm) (📦 #6589)

1 object(s) - format STL
Tubing adapter STL file ⌀ 84–81 mm (Length: 150 mm)
Inline tubing adapter ⌀84 mm to ⌀81 mm in STL 3D format. Total length of this connector is 150 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 90 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 84 mm
side A thickness 2 mm
side B length 90 mm
side B outer diameter 81 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 120–96 mm (Length: 100 mm) (📦 #8884)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 120–96 mm (Length: 100 mm)
Tube adapter ⌀120 mm to ⌀96 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 20 mm, the smaller one of 60 mm. The two axes of the tubes are offset by 11.9 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 120 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 96 mm
side B thickness 2 mm
transition length 20 mm
axis offset 11.9 mm
ends fillet no fillet

Tube adapter STL file ⌀ 45–35 mm (Length: 155 mm) (📦 #5340)

1 object(s) - format STL
Tube adapter STL file ⌀ 45–35 mm (Length: 155 mm)
Tube adapter ⌀45 mm to ⌀35 mm in STL 3D format. Total length of this sleeve is 155 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 5 mm, the smaller one of 100 mm. The ends have no fillet.
Parameter Value Unit
side A length 5 mm
side A outer diameter 45 mm
side A thickness 2 mm
side B length 100 mm
side B outer diameter 35 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 120–96 mm (Length: 100 mm) (📦 #8883)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 120–96 mm (Length: 100 mm)
Tube adapter ⌀120 mm to ⌀96 mm in STL 3D format. Length of this adapter 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 60 mm. The axes of the tubes are offset by 11 mm. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 120 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 96 mm
side B thickness 2 mm
transition length 20 mm
axis offset 11 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 60–15 mm (Length: 130 mm) (📦 #8396)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 60–15 mm (Length: 130 mm)
Tube reducer ⌀60 mm to ⌀15 mm in STL 3D format. Length of this adapter is 130 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 60 mm. The axes of the tubes are off-center by 9 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 60 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 50 mm
axis offset 9 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 46–41 mm (Length: 95 mm) (📦 #8409)

1 object(s) - format STL
Tubing adapter STL file ⌀ 46–41 mm (Length: 95 mm)
Straight sleeve ⌀46 mm to ⌀41 mm in STL 3D format. Final length of this sleeve is 95 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 16 mm, the smaller one of 74 mm. The ends are raw.
Parameter Value Unit
side A length 16 mm
side A outer diameter 46 mm
side A thickness 3 mm
side B length 74 mm
side B outer diameter 41 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 70–42 mm (Length: 87 mm) (📦 #1900)

1 object(s) - format STL
Tube adapter STL file ⌀ 70–42 mm (Length: 87 mm)
Inline fitting ⌀70 mm to ⌀42 mm in STL 3D format. Final length of this reducer is 87 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 27 mm, the smaller one of 40 mm. The axes of the tubes are off-center by 13.8 mm. The ends are raw.
Parameter Value Unit
side A length 27 mm
side A outer diameter 70 mm
side A thickness 3 mm
side B length 40 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

Tube adapter STL 3D file ⌀ 91–50 mm (Length: 109 mm) (📦 #8786)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 91–50 mm (Length: 109 mm)
Inline tube junction ⌀91 mm to ⌀50 mm in STL 3D format. Length of this adapter is 109 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 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 91 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 29 mm
axis offset 20 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 80–32 mm (Length: 110 mm) (📦 #3928)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–32 mm (Length: 110 mm)
Inline sleeve ⌀80 mm to ⌀32 mm in STL format. Total length of this fitting is 110 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 60 mm. The two axes of the tubes are offset by 10 mm. The ends feature an internal fillet to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 60 mm
side B outer diameter 32 mm
side B thickness 3 mm
transition length 20 mm
axis offset 10 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 92–71 mm (Length: 90 mm) (📦 #1371)

1 object(s) - format STL
Tube adapter STL file ⌀ 92–71 mm (Length: 90 mm)
Inline sleeve ⌀92 mm to ⌀71 mm in STL 3D format. Total length of this adapter is 90 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 10 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 50 mm. The axes of the tubes are offset by 9.1 mm. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 92 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 71 mm
side B thickness 2 mm
transition length 30 mm
axis offset 9.1 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 27–21 mm (Length: 137 mm) (📦 #3671)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 27–21 mm (Length: 137 mm)
Straight tube adapter ⌀27 mm to ⌀21 mm in STL 3D format. Length of this fitting is 137 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 31 mm, the smaller one of 71 mm. The ends have no fillet.
Parameter Value Unit
side A length 31 mm
side A outer diameter 27 mm
side A thickness 2 mm
side B length 71 mm
side B outer diameter 21 mm
side B thickness 2 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 116–91 mm (Length: 108 mm) (📦 #6136)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 116–91 mm (Length: 108 mm)
Inline tube junction ⌀116 mm to ⌀91 mm in STL 3D format. Final length of this connector is 108 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 58 mm. The axes of the tubes are offset by 12.4 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 116 mm
side A thickness 4 mm
side B length 58 mm
side B outer diameter 91 mm
side B thickness 4 mm
transition length 20 mm
axis offset 12.4 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 25–21 mm (Length: 137 mm) (📦 #3668)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 25–21 mm (Length: 137 mm)
Diameter adapter ⌀25 mm to ⌀21 mm in STL 3D format. Total length of this adapter is 137 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 31 mm, the smaller one of 71 mm. The ends have no fillet.
Parameter Value Unit
side A length 31 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 71 mm
side B outer diameter 21 mm
side B thickness 2 mm
transition length 35 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 ⌀ 153–122 mm (Length: 250 mm) (📦 #5583)

1 object(s) - format STL
Tube adapter STL file ⌀ 153–122 mm (Length: 250 mm)
Straight tube connector ⌀153 mm to ⌀122 mm in STL format. Total length of this fitting is 250 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 190 mm. The two axes of the tubes are off-center by 10 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 153 mm
side A thickness 2 mm
side B length 190 mm
side B outer diameter 122 mm
side B thickness 2 mm
transition length 40 mm
axis offset 10 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 29–21 mm (Length: 230 mm) (📦 #7802)

1 object(s) - format STL
Tubing adapter STL file ⌀ 29–21 mm (Length: 230 mm)
Straight tube adapter ⌀29 mm to ⌀21 mm in STL 3D format. Final length of this junction is 230 mm. The larger-diameter tube has a thickness of 4 mm and a length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 200 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 29 mm
side A thickness 4 mm
side B length 200 mm
side B outer diameter 21 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 48–25 mm (Length: 90 mm) (📦 #6238)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 48–25 mm (Length: 90 mm)
Diameter adapter ⌀48 mm to ⌀25 mm in STL format. Total 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 60 mm. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 48 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet