Custom Tubing adapter STL file ⌀ 29–28 mm (Length: 25 mm) 📦#11763

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Inline tube reducer ⌀29 mm to ⌀28 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 sleeve length of 10 mm, the smaller one of 10 mm as well. The ends feature an external fillet to ease the connection.
Generation date: 2026-09-17
3D Model Tubing adapter STL file ⌀ 29–28 mm (Length: 25 mm)

3D model download

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  • inline-tube-adapter-lenA10mm-d_model11763-nb0_dd{id}.stl : 3.3 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 10 mm (≃0.39 in)
#2 side A outer diameter 29 mm (≃1.14 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 10 mm (≃0.39 in)
#5 side B outer diameter 28 mm (≃1.10 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 5 mm (≃3/16 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 25 mm (≃0.98 in)
inner diameter (side B) 24 mm (≃15/16 in)
total length 25 mm (≃0.98 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

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To search for a model based on your own parameters, go to the template page Inline tube adapter 

Tubing adapter STL file ⌀ 32–29 mm (Length: 25 mm) (📦 #11764)

1 object(s) - format STL
Tubing adapter STL file ⌀ 32–29 mm (Length: 25 mm)
Straight tubing adapter ⌀32 mm to ⌀29 mm in STL format. Total 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 feature an external fillet to ease the connection.
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 29 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 42–32 mm (Length: 30 mm) (📦 #11823)

1 object(s) - format STL
Tube adapter STL file ⌀ 42–32 mm (Length: 30 mm)
Straight sleeve ⌀42 mm to ⌀32 mm in STL format. Length of this connector 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 feature an external fillet to ease the connection.
Parameter Value Unit
side A length 10 mm
side A outer diameter 42 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 32 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 43–29 mm (Length: 30 mm) (📦 #11771)

1 object(s) - format STL
Tube adapter STL file ⌀ 43–29 mm (Length: 30 mm)
Tubing reducer ⌀43 mm to ⌀29 mm in STL format. Total length of this sleeve 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 have a fillet on the outside.
Parameter Value Unit
side A length 10 mm
side A outer diameter 43 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 29 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 15–12 mm (Length: 35 mm) (📦 #4842)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 15–12 mm (Length: 35 mm)
Straight tube coupler ⌀15 mm to ⌀12 mm in STL 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 rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 15 mm
side A outer diameter 15 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 31–20 mm (Length: 45 mm) (📦 #10819)

1 object(s) - format STL
Tube adapter STL file ⌀ 31–20 mm (Length: 45 mm)
Inline fitting ⌀31 mm to ⌀20 mm in STL format. Final length of this coupler 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 10 mm. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 15 mm
side A outer diameter 31 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 20 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 26–10 mm (Length: 45 mm) (📦 #3402)

1 object(s) - format STL
Tube adapter STL file ⌀ 26–10 mm (Length: 45 mm)
Inline fitting ⌀26 mm to ⌀10 mm in STL format. Total length of this coupler is 45 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 10 mm. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 26 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 25–10 mm (Length: 45 mm) (📦 #3393)

1 object(s) - format STL
Tube adapter STL file ⌀ 25–10 mm (Length: 45 mm)
Inline tubing adapter ⌀25 mm to ⌀10 mm in STL 3D format. Length of this fitting is 45 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 10 mm. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 24–10 mm (Length: 45 mm) (📦 #3392)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 24–10 mm (Length: 45 mm)
Tubing adapter ⌀24 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 20 mm, the smaller one of 10 mm. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 24 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 25–10 mm (Length: 45 mm) (📦 #3397)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 25–10 mm (Length: 45 mm)
Inline tubing adapter ⌀25 mm to ⌀10 mm in STL 3D format. Total length of this adapter is 45 mm. The larger-diameter tube has a thickness of 2.2 mm and a length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 10 mm. The ends feature an external fillet to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 25 mm
side A thickness 2.2 mm
side B length 10 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 25–20 mm (Length: 45 mm) (📦 #5534)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 25–20 mm (Length: 45 mm)
Inline tubing adapter ⌀25 mm to ⌀20 mm in STL 3D format. 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 5 mm, the smaller one of 20 mm. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 5 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 20 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 25–10 mm (Length: 45 mm) (📦 #3396)

1 object(s) - format STL
Tubing adapter STL file ⌀ 25–10 mm (Length: 45 mm)
Inline tube junction ⌀25 mm to ⌀10 mm in STL 3D format. Total length of this sleeve is 45 mm. The larger-diameter tube has a thickness of 2.3 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 10 mm. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 25 mm
side A thickness 2.3 mm
side B length 10 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 26–10 mm (Length: 45 mm) (📦 #3399)

1 object(s) - format STL
Tube adapter STL file ⌀ 26–10 mm (Length: 45 mm)
Straight tubing adapter ⌀26 mm to ⌀10 mm in STL format. Length of this reducer is 45 mm. The larger-diameter tube has a thickness of 2.4 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 10 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 26 mm
side A thickness 2.4 mm
side B length 10 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 25–10 mm (Length: 45 mm) (📦 #3398)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 25–10 mm (Length: 45 mm)
Tube connector ⌀25 mm to ⌀10 mm in STL 3D format. Final length of this adapter is 45 mm. The larger-diameter tube has a thickness of 2.4 mm and a length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 10 mm. The ends feature an external fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 25 mm
side A thickness 2.4 mm
side B length 10 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 26–10 mm (Length: 45 mm) (📦 #3394)

1 object(s) - format STL
Tube adapter STL file ⌀ 26–10 mm (Length: 45 mm)
Straight sleeve ⌀26 mm to ⌀10 mm in STL format. Length of this adapter is 45 mm. The larger-diameter tube has a thickness of 2.5 mm and a length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 10 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 26 mm
side A thickness 2.5 mm
side B length 10 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 24–10 mm (Length: 45 mm) (📦 #3391)

1 object(s) - format STL
Tube adapter STL file ⌀ 24–10 mm (Length: 45 mm)
Straight tube connector ⌀24 mm to ⌀10 mm in STL format. Final length of this fitting is 45 mm. The larger-diameter tube has a thickness of 2.7 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 10 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 24 mm
side A thickness 2.7 mm
side B length 10 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 24–9 mm (Length: 45 mm) (📦 #3387)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 24–9 mm (Length: 45 mm)
Straight tube connector ⌀24 mm to ⌀9 mm in STL format. Final length of this reducer is 45 mm. The thickness of the tubes is identical: 2.7 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 10 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 24 mm
side A thickness 2.7 mm
side B length 10 mm
side B outer diameter 9 mm
side B thickness 2.7 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 26–10 mm (Length: 45 mm) (📦 #3395)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 26–10 mm (Length: 45 mm)
Tubing adapter ⌀26 mm to ⌀10 mm in STL format. Length of this junction is 45 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 10 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 26 mm
side A thickness 3 mm
side B length 10 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 62–52 mm (Length: 33 mm) (📦 #8856)

1 object(s) - format STL
Tube adapter STL file ⌀ 62–52 mm (Length: 33 mm)
Straight tube fitting ⌀62 mm to ⌀52 mm in STL format. Length of this junction is 33 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 8 mm, the smaller one of 15 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 8 mm
side A outer diameter 62 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 52 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

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 3D file ⌀ 44–42 mm (Length: 35 mm) (📦 #11712)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 44–42 mm (Length: 35 mm)
Inline fitting ⌀44 mm to ⌀42 mm in STL 3D format. Total length of this reducer is 35 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 15 mm as well. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 15 mm
side A outer diameter 44 mm
side A thickness 3 mm
side B length 15 mm
side B outer diameter 42 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 22–12 mm (Length: 50 mm) (📦 #8251)

1 object(s) - format STL
Tubing adapter STL file ⌀ 22–12 mm (Length: 50 mm)
Diameter adapter ⌀22 mm to ⌀12 mm in STL format. Length of this junction 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 15 mm as well. The axes of the tubes are off-center by 4.9 mm. The ends feature an external fillet to facilitate the connection of the two tubes.
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 12 mm
side B thickness 2 mm
transition length 20 mm
axis offset 4.9 mm
ends fillet fillet on th...

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 file ⌀ 41–34 mm (Length: 23 mm) (📦 #11511)

1 object(s) - format STL
Tube adapter STL file ⌀ 41–34 mm (Length: 23 mm)
Tubing adapter ⌀41 mm to ⌀34 mm in STL format. Total length of this reducer is 23 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 8 mm, the smaller one of 10 mm. The ends are raw.
Parameter Value Unit
side A length 8 mm
side A outer diameter 41 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 34 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 44–29 mm (Length: 25 mm) (📦 #11803)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 44–29 mm (Length: 25 mm)
Tube adapter ⌀44 mm to ⌀29 mm in STL 3D format. Total length of this fitting 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 a fillet on the inside to make tube connection easier.
Parameter Value Unit
side A length 10 mm
side A outer diameter 44 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 29 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

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

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 ⌀ 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 ⌀ 42–35 mm (Length: 27 mm) (📦 #7076)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 42–35 mm (Length: 27 mm)
Diameter adapter ⌀42 mm to ⌀35 mm in STL format. Total length of this junction is 27 mm. The larger-diameter tube has a thickness of 2.1 mm and a length of 12 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 10 mm. The ends have no fillet.
Parameter Value Unit
side A length 12 mm
side A outer diameter 42 mm
side A thickness 2.1 mm
side B length 10 mm
side B outer diameter 35 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet