Custom Tubing adapter STL file ⌀ 108–41 mm (Length: 50 mm) 📦#12413

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Straight tube coupler ⌀108 mm to ⌀41 mm in STL 3D format. Total length of this reducer is 50 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 5 mm. The two axes of the tubes are offset by 31 mm. The ends are raw.
Generation date: 2026-10-08
3D Model Tubing adapter STL file ⌀ 108–41 mm (Length: 50 mm)

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  • inline-tube-adapter-lenA40mm-d_model12413-nb0_dd{id}.stl : 7.4 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 40 mm (≃1 9/16 in)
#2 side A outer diameter 108 mm (≃4 1/4 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 5 mm (≃3/16 in)
#5 side B outer diameter 41 mm (≃1 5/8 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 5 mm (≃3/16 in)
#8 axis offset 31 mm (≃1.22 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 102 mm (≃4.02 in)
inner diameter (side B) 35 mm (≃1 3/8 in)
total length 50 mm (≃1.97 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 file ⌀ 109–41 mm (Length: 50 mm) (📦 #12412)

1 object(s) - format STL
Tube adapter STL file ⌀ 109–41 mm (Length: 50 mm)
Straight tube coupler ⌀109 mm to ⌀41 mm in STL 3D format. Final length of this connector is 50 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 5 mm. The axes of the tubes are offset by 31 mm. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 109 mm
side A thickness 3 mm
side B length 5 mm
side B outer diameter 41 mm
side B thickness 3 mm
transition length 5 mm
axis offset 31 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 122–75 mm (Length: 30 mm) (📦 #7894)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 122–75 mm (Length: 30 mm)
Diameter adapter ⌀122 mm to ⌀75 mm in STL 3D format. Final length of this adapter is 30 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 10 mm as well. The axes of the tubes are off-center by 23.4 mm. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 122 mm
side A thickness 3 mm
side B length 10 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 10 mm
axis offset 23.4 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 100–56 mm (Length: 75 mm) (📦 #3059)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–56 mm (Length: 75 mm)
Tube adapter ⌀100 mm to ⌀56 mm in STL format. Length of this junction is 75 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. 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 100 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 56 mm
side B thickness 3 mm
transition length 25 mm
axis offset 20 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 95–54 mm (Length: 75 mm) (📦 #3053)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 95–54 mm (Length: 75 mm)
Inline tube coupler ⌀95 mm to ⌀54 mm in STL 3D format. Final length of this reducer is 75 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The two axes of the tubes are offset by 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 95 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 54 mm
side B thickness 3 mm
transition length 25 mm
axis offset 20 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

Tube adapter STL 3D file ⌀ 131–56 mm (Length: 110 mm) (📦 #10400)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 131–56 mm (Length: 110 mm)
Diameter adapter ⌀131 mm to ⌀56 mm in STL format. Final length of this adapter 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 30 mm as well. The axes of the tubes are off-center by 37.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 131 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 56 mm
side B thickness 3 mm
transition length 50 mm
axis offset 37.4 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 90–49 mm (Length: 120 mm) (📦 #9323)

1 object(s) - format STL
Tubing adapter STL file ⌀ 90–49 mm (Length: 120 mm)
Inline tube reducer ⌀90 mm to ⌀49 mm in STL format. Total length of this junction is 120 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 40 mm. The axes of the tubes are off-center by 20 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 90 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 49 mm
side B thickness 4 mm
transition length 30 mm
axis offset 20 mm
ends fillet no fillet

Tube adapter STL file ⌀ 85–46 mm (Length: 84 mm) (📦 #12355)

1 object(s) - format STL
Tube adapter STL file ⌀ 85–46 mm (Length: 84 mm)
Inline tube coupler ⌀85 mm to ⌀46 mm in STL format. Length of this connector is 84 mm. The larger-diameter tube has a thickness of 2.3 mm and a sleeve length of 22 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 27 mm. The two axes of the tubes are offset by 20 mm. The ends are rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 22 mm
side A outer diameter 85 mm
side A thickness 2.3 mm
side B length 27 mm
side B outer diameter 46 mm
side B thickness 3 mm
transition length 35 mm
axis offset 20 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 155–90 mm (Length: 100 mm) (📦 #2579)

1 object(s) - format STL
Tubing adapter STL file ⌀ 155–90 mm (Length: 100 mm)
Tubing adapter ⌀155 mm to ⌀90 mm in STL 3D format. Total length of this adapter is 100 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 20 mm. The axes of the tubes are off-center by 25.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 155 mm
side A thickness 4 mm
side B length 20 mm
side B outer diameter 90 mm
side B thickness 4 mm
transition length 40 mm
axis offset 25.4 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 104–50 mm (Length: 85 mm) (📦 #1458)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 104–50 mm (Length: 85 mm)
Inline tube reducer ⌀104 mm to ⌀50 mm in STL 3D format. Total length of this adapter is 85 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 25 mm. The two axes of the tubes are off-center by 26.9 mm. The ends are rounded on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 30 mm
axis offset 26.9 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 104–50 mm (Length: 85 mm) (📦 #1457)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 104–50 mm (Length: 85 mm)
Tube adapter ⌀104 mm to ⌀50 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 30 mm, the smaller one of 25 mm. The axes of the tubes are off-center by 26 mm. The ends feature an internal fillet to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 30 mm
axis offset 26 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 60–15 mm (Length: 75 mm) (📦 #2407)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 60–15 mm (Length: 75 mm)
Inline tube adapter ⌀60 mm to ⌀15 mm in STL format. Total length of this adapter is 75 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 30 mm. The axes of the tubes are offset by 20 mm. The ends feature an external fillet to ease the connection.
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 20 mm
axis offset 20 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 104–50 mm (Length: 85 mm) (📦 #1456)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL file ⌀ 104–50 mm (Length: 85 mm)
Diameter adapter ⌀104 mm to ⌀50 mm in STL 3D format. Total length of this sleeve is 85 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 25 mm. The two axes of the tubes are offset by 25.4 mm. The ends feature an internal fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 30 mm
axis offset 25.4 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 55–15 mm (Length: 90 mm) (📦 #10602)

1 object(s) - format STL
Tube adapter STL file ⌀ 55–15 mm (Length: 90 mm)
Inline tubing adapter ⌀55 mm to ⌀15 mm in STL 3D format. Total length of this sleeve is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 20 mm. The axes of the tubes are off-center by 19.9 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 55 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 40 mm
axis offset 19.9 mm
ends fillet no fillet

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

Tube adapter STL file ⌀ 100–50 mm (Length: 90 mm) (📦 #1455)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–50 mm (Length: 90 mm)
Tube adapter ⌀100 mm to ⌀50 mm in STL 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 30 mm, the smaller one of 30 mm as well. The two axes of the tubes are off-center by 24.9 mm. The ends have a fillet on the inside to ease the connection.
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 50 mm
side B thickness 2 mm
transition length 30 mm
axis offset 24.9 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 67–32 mm (Length: 50 mm) (📦 #11202)

1 object(s) - format STL
Tubing adapter STL file ⌀ 67–32 mm (Length: 50 mm)
Tube fitting ⌀67 mm to ⌀32 mm in STL 3D format. Final length of this reducer is 50 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 axes of the tubes are offset by 15 mm. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 67 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 32 mm
side B thickness 2 mm
transition length 20 mm
axis offset 15 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 104–62 mm (Length: 45 mm) (📦 #2634)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 104–62 mm (Length: 45 mm)
Straight tube adapter ⌀104 mm to ⌀62 mm in STL format. Total length of this connector is 45 mm. The thickness of the tubes is identical: 3.8 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 20 mm. The two axes of the tubes are off-center by 15 mm. The ends have a fillet on the outside.
Parameter Value Unit
side A length 15 mm
side A outer diameter 104 mm
side A thickness 3.8 mm
side B length 20 mm
side B outer diameter 62 mm
side B thickness 3.8 mm
transition length 10 mm
axis offset 15 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 140–100 mm (Length: 80 mm) (📦 #1217)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 140–100 mm (Length: 80 mm)
Straight tube connector ⌀140 mm to ⌀100 mm in STL format. Total length of this junction is 80 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 30 mm. The two axes of the tubes are offset by 19.9 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 140 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 30 mm
axis offset 19.9 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 107–53 mm (Length: 65 mm) (📦 #2647)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 107–53 mm (Length: 65 mm)
Diameter adapter ⌀107 mm to ⌀53 mm in STL format. Total length of this reducer is 65 mm. The larger-diameter tube has a thickness of 3.1 mm and a length of 15 mm. The smaller-diameter tube has a thickness of 2.5 mm and a length of 30 mm. The axes of the tubes are off-center by 15 mm. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 15 mm
side A outer diameter 107 mm
side A thickness 3.1 mm
side B length 30 mm
side B outer diameter 53 mm
side B thickness 2.5 mm
transition length 20 mm
axis offset 15 mm
ends fillet fillet on th...

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 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 file ⌀ 67–40 mm (Length: 50 mm) (📦 #11425)

1 object(s) - format STL
Tube adapter STL file ⌀ 67–40 mm (Length: 50 mm)
Straight tube fitting ⌀67 mm to ⌀40 mm in STL format. Total length of this reducer is 50 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 two axes of the tubes are offset by 13.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 67 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 40 mm
side B thickness 2 mm
transition length 20 mm
axis offset 13.4 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 104–75 mm (Length: 68 mm) (📦 #6596)

1 object(s) - format STL
Tubing adapter STL file ⌀ 104–75 mm (Length: 68 mm)
Diameter adapter ⌀104 mm to ⌀75 mm in STL 3D format. Length of this connector is 68 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 35 mm. The two axes of the tubes are offset by 13.9 mm. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 104 mm
side A thickness 4 mm
side B length 35 mm
side B outer diameter 75 mm
side B thickness 4 mm
transition length 8 mm
axis offset 13.9 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

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 3D file ⌀ 140–100 mm (Length: 80 mm) (📦 #3857)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 140–100 mm (Length: 80 mm)
Inline tubing adapter ⌀140 mm to ⌀100 mm in STL 3D format. Final length of this junction is 80 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 30 mm. The two axes of the tubes are offset by 19.9 mm. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 140 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 30 mm
axis offset 19.9 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 103–75 mm (Length: 80 mm) (📦 #6594)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 103–75 mm (Length: 80 mm)
Tube adapter ⌀103 mm to ⌀75 mm in STL format. Total length of this coupler is 80 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 35 mm. The two axes of the tubes are off-center by 13.9 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 103 mm
side A thickness 4 mm
side B length 35 mm
side B outer diameter 75 mm
side B thickness 4 mm
transition length 20 mm
axis offset 13.9 mm
ends fillet no fillet