Custom Tube adapter STL file ⌀ 22–12 mm (Length: 70 mm) 📦#4266

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Tube junction ⌀22 mm to ⌀12 mm in STL 3D format. Length of this adapter is 70 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 are not rounded.
Generation date: 2025-12-04
3D Model Tube adapter STL file ⌀ 22–12 mm (Length: 70 mm)

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  • inline-tube-adapter-lenA20mm-d_model4266-nb0_dd{id}.stl : 2.1 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 20 mm (≃0.79 in)
#2 side A outer diameter 22 mm (≃7/8 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 40 mm (≃1 9/16 in)
#5 side B outer diameter 12 mm (≃0.47 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 10 mm (≃0.39 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 18 mm (≃0.71 in)
inner diameter (side B) 8 mm (≃5/16 in)
total length 70 mm (≃2 3/4 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 ⌀ 15–12 mm (Length: 45 mm) (📦 #4171)

1 object(s) - format STL
Tube adapter STL file ⌀ 15–12 mm (Length: 45 mm)
Tube adapter ⌀15 mm to ⌀12 mm in STL 3D format. Length of this adapter is 45 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 30 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 30 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 13–10 mm (Length: 45 mm) (📦 #4169)

1 object(s) - format STL
Tubing adapter STL file ⌀ 13–10 mm (Length: 45 mm)
Diameter adapter ⌀13 mm to ⌀10 mm in STL 3D format. Total length of this reducer is 45 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 30 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 30 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 25–19 mm (Length: 65 mm) (📦 #8085)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 25–19 mm (Length: 65 mm)
Straight sleeve ⌀25 mm to ⌀19 mm in STL 3D format. Final length of this fitting is 65 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 have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 19 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 23–7 mm (Length: 63 mm) (📦 #6196)

1 object(s) - format STL
Tubing adapter STL file ⌀ 23–7 mm (Length: 63 mm)
Tubing adapter ⌀23 mm to ⌀7 mm in STL 3D format. Final length of this junction is 63 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 7 mm, the smaller one of 38 mm. The ends are not rounded.
Parameter Value Unit
side A length 7 mm
side A outer diameter 23 mm
side A thickness 2 mm
side B length 38 mm
side B outer diameter 7 mm
side B thickness 2 mm
transition length 18 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 ⌀ 38–9 mm (Length: 60 mm) (📦 #8875)

1 object(s) - format STL
Tube adapter STL file ⌀ 38–9 mm (Length: 60 mm)
Tube adapter ⌀38 mm to ⌀9 mm in STL 3D format. Length of this sleeve is 60 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 25 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 38 mm
side A thickness 2 mm
side B length 25 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 ⌀ 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

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 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 3D file ⌀ 25–22 mm (Length: 50 mm) (📦 #4397)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 25–22 mm (Length: 50 mm)
Tube adapter ⌀25 mm to ⌀22 mm in STL format. Final length of this adapter 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 are not rounded.
Parameter Value Unit
side A length 20 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 3D file ⌀ 11–5 mm (Length: 50 mm) (📦 #4146)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 11–5 mm (Length: 50 mm)
Tube connector ⌀11 mm to ⌀5 mm in STL 3D format. Length of this adapter 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 11 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 5 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 43–10 mm (Length: 80 mm) (📦 #3379)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 43–10 mm (Length: 80 mm)
Inline tubing adapter ⌀43 mm to ⌀10 mm in STL 3D format. Total length of this reducer is 80 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 ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 43 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 20 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 ⌀ 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 ⌀ 39–30 mm (Length: 80 mm) (📦 #6726)

1 object(s) - format STL
Tube adapter STL file ⌀ 39–30 mm (Length: 80 mm)
Inline tubing adapter ⌀39 mm to ⌀30 mm in STL format. Final length of this connector is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 35 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 35 mm
side A outer diameter 39 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 30 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 32–19 mm (Length: 70 mm) (📦 #9115)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 32–19 mm (Length: 70 mm)
Tube coupler ⌀32 mm to ⌀19 mm in STL format. Total length of this reducer is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 25 mm. The ends are raw.
Parameter Value Unit
side A length 35 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 25 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 file ⌀ 27–12 mm (Length: 65 mm) (📦 #9299)

1 object(s) - format STL
Tubing adapter STL file ⌀ 27–12 mm (Length: 65 mm)
Inline tubing adapter ⌀27 mm to ⌀12 mm in STL 3D format. Total length of this fitting is 65 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 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 27 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 15 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

Tubing adapter STL file ⌀ 32–25 mm (Length: 85 mm) (📦 #7957)

1 object(s) - format STL
Tubing adapter STL file ⌀ 32–25 mm (Length: 85 mm)
Straight tubing adapter ⌀32 mm to ⌀25 mm in STL 3D format. Final length of this coupler is 85 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 40 mm as well. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 36–19 mm (Length: 60 mm) (📦 #9122)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 36–19 mm (Length: 60 mm)
Tubing adapter ⌀36 mm to ⌀19 mm in STL 3D format. Length of this sleeve is 60 mm. The larger-diameter tube has a thickness of 3 mm and a length of 25 mm. The smaller-diameter tube has a thickness of 2 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 36 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 19 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 37–33 mm (Length: 80 mm) (📦 #3410)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 37–33 mm (Length: 80 mm)
Inline tubing adapter ⌀37 mm to ⌀33 mm in STL format. Final length of this junction is 80 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 ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 37 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 33 mm
side B thickness 2 mm
transition length 20 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 ⌀ 38–19 mm (Length: 60 mm) (📦 #9123)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 38–19 mm (Length: 60 mm)
Tube adapter ⌀38 mm to ⌀19 mm in STL format. Length of this sleeve is 60 mm. The larger-diameter tube has a thickness of 3 mm and a length of 25 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 25 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 38 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 19 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 54–10 mm (Length: 80 mm) (📦 #8959)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 54–10 mm (Length: 80 mm)
Inline tube reducer ⌀54 mm to ⌀10 mm in STL format. Length of this sleeve is 80 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 54 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet