Custom Tube adapter STL 3D file ⌀ 40–16 mm (Length: 36 mm) 📦#9409

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Tube connector ⌀40 mm to ⌀16 mm in STL format. Length of this sleeve is 36 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 12 mm, the smaller one of 12 mm as well. The axes of the tubes are off-center by 2 mm. The ends are not rounded.
Generation date: 2026-06-12
3D Model Tube adapter STL 3D file ⌀ 40–16 mm (Length: 36 mm)

3D model download

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  • inline-tube-adapter-lenA12mm-d_model9409-nb0_dd{id}.stl : 3.7 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 12 mm (≃0.47 in)
#2 side A outer diameter 40 mm (≃1 9/16 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 12 mm (≃0.47 in)
#5 side B outer diameter 16 mm (≃5/8 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 12 mm (≃0.47 in)
#8 axis offset 2 mm (≃0.08 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 36 mm (≃1.42 in)
inner diameter (side B) 12 mm (≃0.47 in)
total length 36 mm (≃1.42 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 ⌀ 38–19 mm (Length: 35 mm) (📦 #3655)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 38–19 mm (Length: 35 mm)
Inline tube coupler ⌀38 mm to ⌀19 mm in STL 3D format. Final length of this adapter is 35 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 10 mm. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 38 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 19 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 32–10 mm (Length: 30 mm) (📦 #4049)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 32–10 mm (Length: 30 mm)
Inline tubing adapter ⌀32 mm to ⌀10 mm in STL 3D format. Final length of this adapter is 30 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 10 mm as well. The ends are not rounded.
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 10 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 38–27 mm (Length: 45 mm) (📦 #5269)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 38–27 mm (Length: 45 mm)
Tube coupler ⌀38 mm to ⌀27 mm in STL format. Final length of this fitting is 45 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 38 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 27 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 34–27 mm (Length: 45 mm) (📦 #5268)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 34–27 mm (Length: 45 mm)
Inline tube junction ⌀34 mm to ⌀27 mm in STL 3D format. Total length of this junction is 45 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 have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 34 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 27 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 33–14 mm (Length: 40 mm) (📦 #4348)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 33–14 mm (Length: 40 mm)
Tubing reducer ⌀33 mm to ⌀14 mm in STL format. Length of this coupler is 40 mm. The larger-diameter tube has a thickness of 2.5 mm and a sleeve length of 15 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 15 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 33 mm
side A thickness 2.5 mm
side B length 15 mm
side B outer diameter 14 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 27–7 mm (Length: 39 mm) (📦 #2193)

1 object(s) - format STL
Tube adapter STL file ⌀ 27–7 mm (Length: 39 mm)
Straight tube connector ⌀27 mm to ⌀7 mm in STL format. Length of this coupler is 39 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 14 mm. The ends are raw.
Parameter Value Unit
side A length 15 mm
side A outer diameter 27 mm
side A thickness 2 mm
side B length 14 mm
side B outer diameter 7 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 24–9 mm (Length: 30 mm) (📦 #5787)

1 object(s) - format STL
Tube adapter STL file ⌀ 24–9 mm (Length: 30 mm)
Tube connector ⌀24 mm to ⌀9 mm in STL 3D format. Total length of this coupler is 30 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 axes of the tubes are off-center by 4 mm. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 24 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 9 mm
side B thickness 2 mm
transition length 10 mm
axis offset 4 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 22–13 mm (Length: 35 mm) (📦 #7774)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 22–13 mm (Length: 35 mm)
Inline tube adapter ⌀22 mm to ⌀13 mm in STL 3D format. Final length of this junction is 35 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 15 mm. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 22 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 13 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 26–7 mm (Length: 39 mm) (📦 #2196)

1 object(s) - format STL
Tube adapter STL file ⌀ 26–7 mm (Length: 39 mm)
Tube adapter ⌀26 mm to ⌀7 mm in STL format. Total length of this junction is 39 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 14 mm. The ends are raw.
Parameter Value Unit
side A length 15 mm
side A outer diameter 26 mm
side A thickness 2 mm
side B length 14 mm
side B outer diameter 7 mm
side B thickness 2 mm
transition length 10 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 ⌀ 25–7 mm (Length: 35 mm) (📦 #2190)

1 object(s) - format STL
Tube adapter STL file ⌀ 25–7 mm (Length: 35 mm)
Inline sleeve ⌀25 mm to ⌀7 mm in STL format. Total length of this connector is 35 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 ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 7 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 25–17 mm (Length: 35 mm) (📦 #7977)

1 object(s) - format STL
Tube adapter STL file ⌀ 25–17 mm (Length: 35 mm)
Inline sleeve ⌀25 mm to ⌀17 mm in STL 3D format. Length of this connector is 35 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 raw.
Parameter Value Unit
side A length 15 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 17 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 25–19 mm (Length: 35 mm) (📦 #8069)

1 object(s) - format STL
Tubing adapter STL file ⌀ 25–19 mm (Length: 35 mm)
Inline tube adapter ⌀25 mm to ⌀19 mm in STL format. Final length of this sleeve is 35 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 are raw.
Parameter Value Unit
side A length 15 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 19 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 24–17 mm (Length: 35 mm) (📦 #7975)

1 object(s) - format STL
Tube adapter STL file ⌀ 24–17 mm (Length: 35 mm)
Inline tubing adapter ⌀24 mm to ⌀17 mm in STL 3D format. Final length of this coupler is 35 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 raw.
Parameter Value Unit
side A length 15 mm
side A outer diameter 24 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 17 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 30–26 mm (Length: 40 mm) (📦 #8439)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 30–26 mm (Length: 40 mm)
Inline tubing adapter ⌀30 mm to ⌀26 mm in STL 3D format. Final length of this fitting is 40 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 are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 30 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 26 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 22–14 mm (Length: 31 mm) (📦 #5097)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 22–14 mm (Length: 31 mm)
Tube junction ⌀22 mm to ⌀14 mm in STL format. Length of this fitting is 31 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 ends are raw.
Parameter Value Unit
side A length 15 mm
side A outer diameter 22 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 14 mm
side B thickness 2 mm
transition length 6 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 25–22 mm (Length: 40 mm) (📦 #8415)

1 object(s) - format STL
Tube adapter STL file ⌀ 25–22 mm (Length: 40 mm)
Straight tubing adapter ⌀25 mm to ⌀22 mm in STL format. Total length of this junction is 40 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 20 mm. The ends have no fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 22 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 25–22 mm (Length: 35 mm) (📦 #4401)

1 object(s) - format STL
Tube adapter STL file ⌀ 25–22 mm (Length: 35 mm)
Straight tube adapter ⌀25 mm to ⌀22 mm in STL 3D format. Total length of this adapter is 35 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 25 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 22 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 30–27 mm (Length: 40 mm) (📦 #8437)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 30–27 mm (Length: 40 mm)
Inline sleeve ⌀30 mm to ⌀27 mm in STL 3D format. Total length of this sleeve is 40 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 are not rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 30 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 27 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 24–19 mm (Length: 22 mm) (📦 #7570)

1 object(s) - format STL
Tube adapter STL file ⌀ 24–19 mm (Length: 22 mm)
Straight tube connector ⌀24 mm to ⌀19 mm in STL 3D format. Final length of this junction is 22 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 7 mm. The ends are not rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 24 mm
side A thickness 2 mm
side B length 7 mm
side B outer diameter 19 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 21–13 mm (Length: 31 mm) (📦 #5103)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 21–13 mm (Length: 31 mm)
Inline tube adapter ⌀21 mm to ⌀13 mm in STL 3D format. Final length of this sleeve is 31 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 10 mm. The ends are not rounded.
Parameter Value Unit
side A length 15 mm
side A outer diameter 21 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 13 mm
side B thickness 2 mm
transition length 6 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 21–12 mm (Length: 31 mm) (📦 #5101)

1 object(s) - format STL
Tubing adapter STL file ⌀ 21–12 mm (Length: 31 mm)
Tube reducer ⌀21 mm to ⌀12 mm in STL 3D format. Total length of this coupler is 31 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 ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 21 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 6 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 22–15 mm (Length: 35 mm) (📦 #7970)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 22–15 mm (Length: 35 mm)
Straight tube reducer ⌀22 mm to ⌀15 mm in STL 3D format. Total length of this adapter is 35 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 are raw.
Parameter Value Unit
side A length 15 mm
side A outer diameter 22 mm
side A thickness 2 mm
side B length 15 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 3D file ⌀ 20–13 mm (Length: 26 mm) (📦 #5095)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 20–13 mm (Length: 26 mm)
Straight tube connector ⌀20 mm to ⌀13 mm in STL format. Total length of this connector is 26 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 10 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 20 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 13 mm
side B thickness 2 mm
transition length 6 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 22–20 mm (Length: 30 mm) (📦 #6751)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 22–20 mm (Length: 30 mm)
Straight tube adapter ⌀22 mm to ⌀20 mm in STL format. Total length of this junction is 30 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 15 mm. The ends have no fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 22 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 20 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 21–9 mm (Length: 42 mm) (📦 #4164)

1 object(s) - format STL
Tube adapter STL file ⌀ 21–9 mm (Length: 42 mm)
Tubing adapter ⌀21 mm to ⌀9 mm in STL 3D format. Final length of this reducer is 42 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 12 mm. The two axes of the tubes are offset by 3.1 mm. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 21 mm
side A thickness 2 mm
side B length 12 mm
side B outer diameter 9 mm
side B thickness 2 mm
transition length 20 mm
axis offset 3.1 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 24–23 mm (Length: 35 mm) (📦 #6756)

1 object(s) - format STL
Tubing adapter STL file ⌀ 24–23 mm (Length: 35 mm)
Inline tube junction ⌀24 mm to ⌀23 mm in STL format. Length of this adapter is 35 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 24 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 23 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet