Custom Tubing adapter STL file ⌀ 20–7 mm (Length: 30 mm) 📦#5785

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Straight tubing adapter ⌀20 mm to ⌀7 mm in STL 3D format. Final length of this junction 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 offset by 6.4 mm. The ends have no fillet.
Generation date: 2026-01-02
3D Model Tubing adapter STL file ⌀ 20–7 mm (Length: 30 mm)

3D model download

Free
  • inline-tube-adapter-lenA10mm-d_model5785-nb0_dd{id}.stl : 2.7 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 10 mm (≃0.39 in)
#2 side A outer diameter 20 mm (≃0.79 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 10 mm (≃0.39 in)
#5 side B outer diameter 7 mm (≃0.28 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 10 mm (≃0.39 in)
#8 axis offset 6.4 mm (≃1/4 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 16 mm (≃5/8 in)
inner diameter (side B) 3 mm (≃1/8 in)
total length 30 mm (≃1 3/16 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 

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

Tube adapter STL 3D file ⌀ 16–7 mm (Length: 26 mm) (📦 #6767)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 16–7 mm (Length: 26 mm)
Straight sleeve ⌀16 mm to ⌀7 mm in STL format. Length of this reducer is 26 mm. The larger-diameter tube has a thickness of 2.1 mm and a sleeve length of 10 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 10 mm as well. The axes of the tubes are off-center by 4.3 mm. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 16 mm
side A thickness 2.1 mm
side B length 10 mm
side B outer diameter 7 mm
side B thickness 2 mm
transition length 6 mm
axis offset 4.3 mm
ends fillet no fillet

Tube adapter STL file ⌀ 19–10 mm (Length: 40 mm) (📦 #9238)

1 object(s) - format STL
Tube adapter STL file ⌀ 19–10 mm (Length: 40 mm)
Inline tube junction ⌀19 mm to ⌀10 mm in STL format. 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 20 mm, the smaller one of 10 mm. The axes of the tubes are off-center by 4.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 19 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 4.4 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

Tube adapter STL 3D file ⌀ 16–9 mm (Length: 40 mm) (📦 #1924)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 16–9 mm (Length: 40 mm)
Inline tube junction ⌀16 mm to ⌀9 mm in STL format. Final length of this coupler 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 10 mm as well. The axes of the tubes are offset by 3.1 mm. The ends are not rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 16 mm
side A thickness 2 mm
side B length 10 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

Tube adapter STL file ⌀ 15–9 mm (Length: 40 mm) (📦 #1925)

1 object(s) - format STL
Tube adapter STL file ⌀ 15–9 mm (Length: 40 mm)
Tube adapter ⌀15 mm to ⌀9 mm in STL 3D format. Total length of this adapter 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 10 mm as well. The two axes of the tubes are offset by 2.9 mm. The ends are not rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 15 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 9 mm
side B thickness 2 mm
transition length 20 mm
axis offset 2.9 mm
ends fillet no fillet

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

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 40–16 mm (Length: 36 mm)
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.
Parameter Value Unit
side A length 12 mm
side A outer diameter 40 mm
side A thickness 2 mm
side B length 12 mm
side B outer diameter 16 mm
side B thickness 2 mm
transition length 12 mm
axis offset 2 mm
ends fillet no fillet

Tube adapter STL file ⌀ 13–10 mm (Length: 30 mm) (📦 #4168)

1 object(s) - format STL
Tube adapter STL file ⌀ 13–10 mm (Length: 30 mm)
Straight tube connector ⌀13 mm to ⌀10 mm in STL 3D format. Final length of this connector 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 15 mm. The axes of the tubes are off-center by 1 mm. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 13 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 5 mm
axis offset 1 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 34–17 mm (Length: 35 mm) (📦 #8039)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 34–17 mm (Length: 35 mm)
Inline sleeve ⌀34 mm to ⌀17 mm in STL 3D format. Final length of this fitting is 35 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 5 mm as well. The two axes of the tubes are offset by 8.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 5 mm
side A outer diameter 34 mm
side A thickness 2 mm
side B length 5 mm
side B outer diameter 17 mm
side B thickness 2 mm
transition length 25 mm
axis offset 8.4 mm
ends fillet no fillet

Tube adapter STL file ⌀ 16–7 mm (Length: 30 mm) (📦 #6523)

1 object(s) - format STL
Tube adapter STL file ⌀ 16–7 mm (Length: 30 mm)
Straight tube adapter ⌀16 mm to ⌀7 mm in STL 3D format. Length of this connector 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 ends have no fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 16 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 3D file ⌀ 16–10 mm (Length: 28 mm) (📦 #8956)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 16–10 mm (Length: 28 mm)
Tube adapter ⌀16 mm to ⌀10 mm in STL format. Length of this connector is 28 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 8 mm. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 16 mm
side A thickness 2 mm
side B length 8 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 11–9 mm (Length: 30 mm) (📦 #6536)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 11–9 mm (Length: 30 mm)
Inline tubing adapter ⌀11 mm to ⌀9 mm in STL format. Total length of this adapter 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 ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 11 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 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

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 file ⌀ 34–15 mm (Length: 35 mm) (📦 #8038)

1 object(s) - format STL
Tube adapter STL file ⌀ 34–15 mm (Length: 35 mm)
Tube adapter ⌀34 mm to ⌀15 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 5 mm, the smaller one of 5 mm as well. The axes of the tubes are off-center by 9.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 5 mm
side A outer diameter 34 mm
side A thickness 2 mm
side B length 5 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 25 mm
axis offset 9.4 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 ⌀ 38–19 mm (Length: 35 mm) (📦 #8040)

1 object(s) - format STL
Tube adapter STL file ⌀ 38–19 mm (Length: 35 mm)
Inline tube junction ⌀38 mm to ⌀19 mm in STL format. Final length of this reducer is 35 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 5 mm as well. The axes of the tubes are off-center by 8 mm. The ends have no fillet.
Parameter Value Unit
side A length 5 mm
side A outer diameter 38 mm
side A thickness 2 mm
side B length 5 mm
side B outer diameter 19 mm
side B thickness 2 mm
transition length 25 mm
axis offset 8 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

Tube adapter STL 3D file ⌀ 7–5.5 mm (Length: 15 mm) (📦 #1104)

1 object(s) - format STL (4.0/5) 6 vote(s)
Tube adapter STL 3D file ⌀ 7–5.5 mm (Length: 15 mm)
Tube reducer ⌀7 mm to ⌀5.5 mm in STL format. Length of this sleeve is 15 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 5 mm, the smaller one of 5 mm as well. The axes of the tubes are off-center by 0.6 mm. The ends have no fillet.
Parameter Value Unit
side A length 5 mm
side A outer diameter 7 mm
side A thickness 2 mm
side B length 5 mm
side B outer diameter 5.5 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0.6 mm
ends fillet no fillet

Tube adapter STL file ⌀ 47–19 mm (Length: 36 mm) (📦 #9411)

1 object(s) - format STL
Tube adapter STL file ⌀ 47–19 mm (Length: 36 mm)
Tube junction ⌀47 mm to ⌀19 mm in STL 3D format. Length of this reducer 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 two axes of the tubes are offset by 2 mm. The ends are not rounded.
Parameter Value Unit
side A length 12 mm
side A outer diameter 47 mm
side A thickness 2 mm
side B length 12 mm
side B outer diameter 19 mm
side B thickness 2 mm
transition length 12 mm
axis offset 2 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 7–6 mm (Length: 30 mm) (📦 #9540)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 7–6 mm (Length: 30 mm)
Tube coupler ⌀7 mm to ⌀6 mm in STL 3D format. Final 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 ends are not rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 7 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 6 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 15–12 mm (Length: 25 mm) (📦 #4175)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 15–12 mm (Length: 25 mm)
Inline tube reducer ⌀15 mm to ⌀12 mm in STL 3D format. Length of this coupler 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 are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 15 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 5 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

Tubing adapter STL file ⌀ 10–9 mm (Length: 25 mm) (📦 #2799)

1 object(s) - format STL
Tubing adapter STL file ⌀ 10–9 mm (Length: 25 mm)
Tube reducer ⌀10 mm to ⌀9 mm in STL format. Total length of this coupler is 25 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 5 mm. The ends are not rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 10 mm
side A thickness 2 mm
side B length 5 mm
side B outer diameter 9 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

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 ⌀ 19–15 mm (Length: 25 mm) (📦 #7773)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 19–15 mm (Length: 25 mm)
Inline sleeve ⌀19 mm to ⌀15 mm in STL 3D format. Length of this sleeve is 25 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 have no fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 19 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 15 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