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

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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.
Generation date: 2025-10-22
3D Model Tubing adapter STL 3D file ⌀ 107–53 mm (Length: 65 mm)

3D model download

Free
  • inline-tube-adapter-lenA15mm-d_model2647-nb0_dd{id}.stl : 10.9 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 15 mm
#2 side A outer diameter 107 mm
#3 side A thickness 3.1 mm
#4 side B length 30 mm
#5 side B outer diameter 53 mm
#6 side B thickness 2.5 mm
#7 transition length 20 mm
#8 axis offset 15 mm
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 100.8 mm
inner diameter (side B) 48 mm
total length 65 mm
illustration of the parameters
Representation of the parameters

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 ⌀ 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 ⌀ 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 ⌀ 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 ⌀ 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 ⌀ 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

Tube adapter STL file ⌀ 85–70 mm (Length: 80 mm) (📦 #1321)

1 object(s) - format STL
Tube adapter STL file ⌀ 85–70 mm (Length: 80 mm)
Straight tube fitting ⌀85 mm to ⌀70 mm in STL 3D format. Length of this sleeve 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 off-center by 7.4 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 85 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 70 mm
side B thickness 3 mm
transition length 20 mm
axis offset 7.4 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 ⌀ 80–70 mm (Length: 80 mm) (📦 #1166)

1 object(s) - format STL (4.5/5) 2 vote(s)
Tube adapter STL 3D file ⌀ 80–70 mm (Length: 80 mm)
Straight tube adapter ⌀80 mm to ⌀70 mm in STL format. Total length of this fitting 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 off-center by 4.9 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 70 mm
side B thickness 3 mm
transition length 20 mm
axis offset 4.9 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 94–80 mm (Length: 50 mm) (📦 #1929)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 94–80 mm (Length: 50 mm)
Tube reducer ⌀94 mm to ⌀80 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 20 mm, the smaller one of 20 mm as well. The axes of the tubes are off-center by 5.9 mm. The ends feature an external fillet.
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 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 5.9 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

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 ⌀ 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 3D file ⌀ 94–80 mm (Length: 80 mm) (📦 #1928)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 94–80 mm (Length: 80 mm)
Inline sleeve ⌀94 mm to ⌀80 mm in STL 3D format. Total length of this coupler 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 50 mm. The axes of the tubes are off-center by 5.9 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 94 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 5.9 mm
ends fillet fillet on th...

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...

Tube adapter STL file ⌀ 102–90 mm (Length: 80 mm) (📦 #1382)

1 object(s) - format STL (4.0/5) 1 vote(s)
Tube adapter STL file ⌀ 102–90 mm (Length: 80 mm)
Straight sleeve ⌀102 mm to ⌀90 mm in STL 3D format. Final 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 50 mm. The two axes of the tubes are offset by 5.9 mm. The ends feature an external fillet to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 102 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 90 mm
side B thickness 2 mm
transition length 10 mm
axis offset 5.9 mm
ends fillet fillet on th...

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

1 object(s) - format STL
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 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 3D file ⌀ 94–80 mm (Length: 90 mm) (📦 #1936)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 94–80 mm (Length: 90 mm)
Straight tube coupler ⌀94 mm to ⌀80 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 40 mm, the smaller one of 40 mm as well. The axes of the tubes are offset by 5.9 mm. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 40 mm
side A outer diameter 94 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 5.9 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 ⌀ 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 file ⌀ 82–63 mm (Length: 75 mm) (📦 #2117)

1 object(s) - format STL
Tube adapter STL file ⌀ 82–63 mm (Length: 75 mm)
Straight sleeve ⌀82 mm to ⌀63 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 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 82 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 63 mm
side B thickness 3 mm
transition length 25 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 80–50 mm (Length: 80 mm) (📦 #1163)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL 3D file ⌀ 80–50 mm (Length: 80 mm)
Tube coupler ⌀80 mm to ⌀50 mm in STL format. Final length of this adapter 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 ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 97–65 mm (Length: 90 mm) (📦 #2804)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 97–65 mm (Length: 90 mm)
Diameter adapter ⌀97 mm to ⌀65 mm in STL format. Final length of this junction is 90 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 not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 97 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 65 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

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 ⌀ 85–60 mm (Length: 45 mm) (📦 #1165)

1 object(s) - format STL
Tube adapter STL file ⌀ 85–60 mm (Length: 45 mm)
Tube coupler ⌀85 mm to ⌀60 mm in STL format. Final length of this connector is 45 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 have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 85 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 106–70 mm (Length: 90 mm) (📦 #2795)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 106–70 mm (Length: 90 mm)
Straight tube coupler ⌀106 mm to ⌀70 mm in STL 3D format. Total length of this sleeve is 90 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 have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 106 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 70 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 76–50 mm (Length: 80 mm) (📦 #1439)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 76–50 mm (Length: 80 mm)
Straight sleeve ⌀76 mm to ⌀50 mm in STL 3D format. Total length of this sleeve 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 ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 76 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 97–70 mm (Length: 90 mm) (📦 #2797)

1 object(s) - format STL
Tubing adapter STL file ⌀ 97–70 mm (Length: 90 mm)
Tubing adapter ⌀97 mm to ⌀70 mm in STL 3D format. Total length of this coupler is 90 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 ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 97 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 70 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 99–62 mm (Length: 90 mm) (📦 #2838)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 99–62 mm (Length: 90 mm)
Tubing adapter ⌀99 mm to ⌀62 mm in STL 3D format. Total length of this fitting is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 35 mm as well. The ends are rounded on the inside.
Parameter Value Unit
side A length 35 mm
side A outer diameter 99 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 62 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 100–40 mm (Length: 80 mm) (📦 #1578)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–40 mm (Length: 80 mm)
Inline tube junction ⌀100 mm to ⌀40 mm in STL 3D format. Length of this adapter is 80 mm. The thickness of the tubes is identical: 2.5 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 100 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 40 mm
side B thickness 2.5 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet