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Tube adapter STL 3D file ⌀ 45–44 mm (Length: 70 mm) 📦#3011

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Straight sleeve ⌀45 mm to ⌀44 mm in STL 3D format. Total length of this adapter is 70 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 40 mm. The ends are raw.
Generation date: 2025-11-03
3D Model Tube adapter STL 3D file ⌀ 45–44 mm (Length: 70 mm)

3D model download

Free
  • inline-tube-adapter-lenA20mm-d_model3011-nb0_dd{id}.stl : 320 Ko
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
No compliance warranty No compliance warranty
(attribution - commercial use allowed)
Safe download

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
#2 side A outer diameter 45 mm
#3 side A thickness 2 mm
#4 side B length 40 mm
#5 side B outer diameter 44 mm
#6 side B thickness 2 mm
#7 transition length 10 mm
#8 axis offset 0 mm
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 41 mm
inner diameter (side B) 40 mm
total length 70 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 ⌀ 40–29 mm (Length: 90 mm) (📦 #2321)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 40–29 mm (Length: 90 mm)
Inline tube coupler ⌀40 mm to ⌀29 mm in STL 3D format. Total length of this connector 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 40 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 40 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 29 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 52–45 mm (Length: 75 mm) (📦 #2154)

1 object(s) - format STL
Tube adapter STL file ⌀ 52–45 mm (Length: 75 mm)
Inline fitting ⌀52 mm to ⌀45 mm in STL 3D format. Length of this connector is 75 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 50 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 52 mm
side A thickness 2.5 mm
side B length 50 mm
side B outer diameter 45 mm
side B thickness 2.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 39–29 mm (Length: 90 mm) (📦 #2319)

1 object(s) - format STL
Tube adapter STL file ⌀ 39–29 mm (Length: 90 mm)
Tube coupler ⌀39 mm to ⌀29 mm in STL format. Final length of this coupler 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 40 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 39 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 29 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 54–45 mm (Length: 75 mm) (📦 #2338)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 54–45 mm (Length: 75 mm)
Tube fitting ⌀54 mm to ⌀45 mm in STL format. Total length of this reducer is 75 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 50 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 54 mm
side A thickness 2.5 mm
side B length 50 mm
side B outer diameter 45 mm
side B thickness 2.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 55–50 mm (Length: 75 mm) (📦 #2339)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 55–50 mm (Length: 75 mm)
Straight tube coupler ⌀55 mm to ⌀50 mm in STL 3D format. Final length of this sleeve is 75 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 50 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 55 mm
side A thickness 2.5 mm
side B length 50 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 30–26 mm (Length: 50 mm) (📦 #1109)

1 object(s) - format STL (3.5/5) 2 vote(s)
Tube adapter STL 3D file ⌀ 30–26 mm (Length: 50 mm)
Inline tube coupler ⌀30 mm to ⌀26 mm in STL format. Total length of this connector 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 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 30 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 26 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 44–24 mm (Length: 90 mm) (📦 #2322)

1 object(s) - format STL
Tube adapter STL file ⌀ 44–24 mm (Length: 90 mm)
Straight tube adapter ⌀44 mm to ⌀24 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 sleeve length of 30 mm, the smaller one of 40 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 44 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 24 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 45–40 mm (Length: 65 mm) (📦 #1942)

1 object(s) - format STL
Tube adapter STL file ⌀ 45–40 mm (Length: 65 mm)
Tube adapter ⌀45 mm to ⌀40 mm in STL format. Total length of this coupler is 65 mm. The thickness of the tubes is identical: 2.5 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 45 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 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 69–46 mm (Length: 85 mm) (📦 #2626)

1 object(s) - format STL
Tubing adapter STL file ⌀ 69–46 mm (Length: 85 mm)
Inline tube coupler ⌀69 mm to ⌀46 mm in STL format. Total length of this adapter is 85 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 not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 46 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 70–49 mm (Length: 85 mm) (📦 #2632)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–49 mm (Length: 85 mm)
Inline tubing adapter ⌀70 mm to ⌀49 mm in STL 3D format. Length of this connector is 85 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 raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 70 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 49 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 70–62 mm (Length: 100 mm) (📦 #2254)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–62 mm (Length: 100 mm)
Straight tube adapter ⌀70 mm to ⌀62 mm in STL format. Length of this adapter 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 70 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 62 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

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 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...

Tube adapter STL file ⌀ 80–50 mm (Length: 80 mm) (📦 #1575)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–50 mm (Length: 80 mm)
Tube reducer ⌀80 mm to ⌀50 mm in STL 3D format. Final length of this coupler 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 are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 80–60 mm (Length: 60 mm) (📦 #1882)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–60 mm (Length: 60 mm)
Tube connector ⌀80 mm to ⌀60 mm in STL 3D format. Final length of this connector is 60 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 ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 23–16 mm (Length: 45 mm) (📦 #1835)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 23–16 mm (Length: 45 mm)
Inline tube junction ⌀23 mm to ⌀16 mm in STL format. Final length of this sleeve is 45 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 5 mm, the smaller one of 30 mm. The axes of the tubes are off-center by 2.5 mm. The ends are raw.
Parameter Value Unit
side A length 5 mm
side A outer diameter 23 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 16 mm
side B thickness 2 mm
transition length 10 mm
axis offset 2.5 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 33–26 mm (Length: 50 mm) (📦 #1526)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 33–26 mm (Length: 50 mm)
Straight tube adapter ⌀33 mm to ⌀26 mm in STL 3D format. Final length of this fitting is 50 mm. The larger-diameter tube has a thickness of 2.8 mm and a sleeve length of 15 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 15 mm
side A outer diameter 33 mm
side A thickness 2.8 mm
side B length 20 mm
side B outer diameter 26 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 44–24 mm (Length: 110 mm) (📦 #3008)

1 object(s) - format STL
Tubing adapter STL file ⌀ 44–24 mm (Length: 110 mm)
Inline tube coupler ⌀44 mm to ⌀24 mm in STL 3D format. Total length of this fitting is 110 mm. The thickness of the tubes is identical: 2.1 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 40 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 44 mm
side A thickness 2.1 mm
side B length 40 mm
side B outer diameter 24 mm
side B thickness 2.1 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 20–12 mm (Length: 50 mm) (📦 #2410)

1 object(s) - format STL
Tube adapter STL file ⌀ 20–12 mm (Length: 50 mm)
Inline tube coupler ⌀20 mm to ⌀12 mm in STL format. Total length of this coupler 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 ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 20 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 40–24 mm (Length: 110 mm) (📦 #3009)

1 object(s) - format STL
Tubing adapter STL file ⌀ 40–24 mm (Length: 110 mm)
Straight tube adapter ⌀40 mm to ⌀24 mm in STL 3D format. Total length of this adapter is 110 mm. The thickness of the tubes is identical: 2.1 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 40 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 40 mm
side A thickness 2.1 mm
side B length 40 mm
side B outer diameter 24 mm
side B thickness 2.1 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 68–53 mm (Length: 65 mm) (📦 #1232)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 68–53 mm (Length: 65 mm)
Straight tube coupler ⌀68 mm to ⌀53 mm in STL 3D format. Final length of this fitting is 65 mm. The larger-diameter tube has a thickness of 2 mm and a length of 25 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 25 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 68 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 53 mm
side B thickness 4 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 60–45 mm (Length: 75 mm) (📦 #1234)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 60–45 mm (Length: 75 mm)
Diameter adapter ⌀60 mm to ⌀45 mm in STL format. Final length of this sleeve is 75 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 have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 45 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 40–20 mm (Length: 110 mm) (📦 #3010)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 40–20 mm (Length: 110 mm)
Inline fitting ⌀40 mm to ⌀20 mm in STL format. Final length of this reducer is 110 mm. The larger-diameter tube has a thickness of 2 mm and a length of 40 mm. The smaller-diameter tube has a thickness of 2.2 mm and a length of 40 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 40 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 20 mm
side B thickness 2.2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 44–16 mm (Length: 90 mm) (📦 #1270)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 44–16 mm (Length: 90 mm)
Inline fitting ⌀44 mm to ⌀16 mm in STL format. Final length of this sleeve is 90 mm. The larger-diameter tube has a thickness of 2.5 mm and a sleeve length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 44 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 16 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 60–47 mm (Length: 80 mm) (📦 #2556)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–47 mm (Length: 80 mm)
Straight tube reducer ⌀60 mm to ⌀47 mm in STL format. Length of this reducer 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 axes of the tubes are offset by 0.1 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 47 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0.1 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 66–44 mm (Length: 85 mm) (📦 #2625)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 66–44 mm (Length: 85 mm)
Straight tube reducer ⌀66 mm to ⌀44 mm in STL 3D format. Final length of this connector is 85 mm. The larger-diameter tube has a thickness of 2 mm and a sleeve length of 30 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 66 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 44 mm
side B thickness 4 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 45–15 mm (Length: 90 mm) (📦 #1272)

1 object(s) - format STL
Tube adapter STL file ⌀ 45–15 mm (Length: 90 mm)
Tube coupler ⌀45 mm to ⌀15 mm in STL format. Total length of this sleeve is 90 mm. The larger-diameter tube has a thickness of 2.5 mm and a sleeve length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 45 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 32–25 mm (Length: 25 mm) (📦 #1103)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL file ⌀ 32–25 mm (Length: 25 mm)
Straight tube reducer ⌀32 mm to ⌀25 mm in STL 3D format. Length of this junction is 25 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 10 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

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

1 object(s) - format STL
Tube adapter STL file ⌀ 66–41 mm (Length: 90 mm)
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.
Parameter Value Unit
side A length 40 mm
side A outer diameter 66 mm
side A thickness 2 mm
side B length 45 mm
side B outer diameter 41 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

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