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Custom Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm) 📦#2441

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Inline tube reducer ⌀32 mm to ⌀15 mm in STL format. Length of this adapter is 50 mm. The thickness of the tubes is identical: 3.5 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends feature an internal fillet.
Generation date: 2025-10-14
3D Model Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm)

3D model download

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  • inline-tube-adapter-lenA20mm-d_model2441-nb0_dd{id}.stl : 4.9 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 32 mm (≃1 1/4 in)
#3 side A thickness 3.5 mm (≃1/8 in)
#4 side B length 20 mm (≃0.79 in)
#5 side B outer diameter 15 mm (≃0.59 in)
#6 side B thickness 3.5 mm (≃1/8 in)
#7 transition length 10 mm (≃0.39 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the inside
Metadata Value
inner diameter (side A) 25 mm (≃0.98 in)
inner diameter (side B) 8 mm (≃5/16 in)
total length 50 mm (≃1.97 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 

Tube adapter STL file ⌀ 25–20 mm (Length: 45 mm) (📦 #1101)

1 object(s) - format STL
Tube adapter STL file ⌀ 25–20 mm (Length: 45 mm)
Tube fitting ⌀25 mm to ⌀20 mm in STL 3D format. Length of this reducer is 45 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 internal fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 15 mm
side A outer diameter 25 mm
side A thickness 3 mm
side B length 15 mm
side B outer diameter 20 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 32–15 mm (Length: 19 mm) (📦 #2447)

1 object(s) - format STL
Tube adapter STL file ⌀ 32–15 mm (Length: 19 mm)
Straight tube connector ⌀32 mm to ⌀15 mm in STL format. Total length of this fitting is 19 mm. The thickness of the tubes is identical: 3.5 mm. The larger-diameter tube has a length of 7 mm, the smaller one of 7 mm as well. The ends have a fillet on the inside.
Parameter Value Unit
side A length 7 mm
side A outer diameter 32 mm
side A thickness 3.5 mm
side B length 7 mm
side B outer diameter 15 mm
side B thickness 3.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 35–18 mm (Length: 26 mm) (📦 #2450)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 35–18 mm (Length: 26 mm)
Inline tube reducer ⌀35 mm to ⌀18 mm in STL 3D format. Final length of this fitting is 26 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 10 mm, the smaller one of 8 mm. The ends are rounded on the inside to ease the connection.
Parameter Value Unit
side A length 10 mm
side A outer diameter 35 mm
side A thickness 3 mm
side B length 8 mm
side B outer diameter 18 mm
side B thickness 3 mm
transition length 8 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 36–19 mm (Length: 26 mm) (📦 #2451)

1 object(s) - format STL
Tube adapter STL file ⌀ 36–19 mm (Length: 26 mm)
Tube connector ⌀36 mm to ⌀19 mm in STL 3D format. Length of this adapter is 26 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 8 mm. The ends are rounded on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 36 mm
side A thickness 3 mm
side B length 8 mm
side B outer diameter 19 mm
side B thickness 3 mm
transition length 8 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 38–19 mm (Length: 50 mm) (📦 #2352)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 38–19 mm (Length: 50 mm)
Straight tube connector ⌀38 mm to ⌀19 mm in STL format. Final length of this fitting is 50 mm. The larger-diameter tube has a thickness of 2.9 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 have a fillet on the inside to ease the connection.
Parameter Value Unit
side A length 15 mm
side A outer diameter 38 mm
side A thickness 2.9 mm
side B length 20 mm
side B outer diameter 19 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 64–32 mm (Length: 80 mm) (📦 #2791)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 64–32 mm (Length: 80 mm)
Inline tubing adapter ⌀64 mm to ⌀32 mm in STL 3D format. Total length of this reducer is 80 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 a fillet on the inside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 64 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 32 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 30–18 mm (Length: 60 mm) (📦 #3528)

1 object(s) - format STL
Tubing adapter STL file ⌀ 30–18 mm (Length: 60 mm)
Inline tube coupler ⌀30 mm to ⌀18 mm in STL format. Final length of this reducer is 60 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 30 mm. The ends have a fillet on the outside to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 30 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 18 mm
side B thickness 4 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 45–25 mm (Length: 45 mm) (📦 #2421)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 45–25 mm (Length: 45 mm)
Straight sleeve ⌀45 mm to ⌀25 mm in STL 3D format. Length of this coupler is 45 mm. The larger-diameter tube has a thickness of 4 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 20 mm as well. The ends feature an external fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 45 mm
side A thickness 4 mm
side B length 20 mm
side B outer diameter 25 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 35–29 mm (Length: 55 mm) (📦 #2197)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 35–29 mm (Length: 55 mm)
Inline tube reducer ⌀35 mm to ⌀29 mm in STL 3D format. Final length of this junction is 55 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends feature a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 35 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 29 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 35–30 mm (Length: 55 mm) (📦 #2189)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 35–30 mm (Length: 55 mm)
Inline tube junction ⌀35 mm to ⌀30 mm in STL format. Total length of this adapter is 55 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 20 mm as well. The ends feature a fillet to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 35 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 30 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 32–15 mm (Length: 21 mm) (📦 #2449)

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Tube adapter STL 3D file ⌀ 32–15 mm (Length: 21 mm)
Straight tube adapter ⌀32 mm to ⌀15 mm in STL 3D format. Length of this reducer is 21 mm. The thickness of the tubes is identical: 3.5 mm. The larger-diameter tube has a sleeve length of 7 mm, the smaller one of 7 mm as well. The ends feature an external fillet.
Parameter Value Unit
side A length 7 mm
side A outer diameter 32 mm
side A thickness 3.5 mm
side B length 7 mm
side B outer diameter 15 mm
side B thickness 3.5 mm
transition length 7 mm
axis offset 0 mm
ends fillet fillet on th...

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

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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 file ⌀ 57–51 mm (Length: 30 mm) (📦 #3335)

1 object(s) - format STL
Tubing adapter STL file ⌀ 57–51 mm (Length: 30 mm)
Inline tube adapter ⌀57 mm to ⌀51 mm in STL 3D format. Final length of this reducer is 30 mm. The thickness of the tubes is identical: 3 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 facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 57 mm
side A thickness 3 mm
side B length 10 mm
side B outer diameter 51 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 55–35 mm (Length: 50 mm) (📦 #3882)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 55–35 mm (Length: 50 mm)
Straight sleeve ⌀55 mm to ⌀35 mm in STL format. Final length of this sleeve is 50 mm. The larger-diameter tube has a thickness of 4 mm and a sleeve length of 25 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 20 mm. The ends are rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 25 mm
side A outer diameter 55 mm
side A thickness 4 mm
side B length 20 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm) (📦 #2443)

1 object(s) - format STL
Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm)
Tube fitting ⌀32 mm to ⌀15 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 20 mm, the smaller one of 20 mm as well. The ends feature an internal fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 50–40 mm (Length: 45 mm) (📦 #1094)

1 object(s) - format STL (5.0/5) 4 vote(s)
Tube adapter STL file ⌀ 50–40 mm (Length: 45 mm)
Straight tube reducer ⌀50 mm to ⌀40 mm in STL 3D format. Total length of this reducer is 45 mm. The larger-diameter tube has a thickness of 4 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 20 mm as well. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 50 mm
side A thickness 4 mm
side B length 20 mm
side B outer diameter 40 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 32–15 mm (Length: 60 mm) (📦 #2442)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 32–15 mm (Length: 60 mm)
Tube coupler ⌀32 mm to ⌀15 mm in STL format. Length of this junction 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 feature an internal fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 20 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 ⌀ 51–35 mm (Length: 80 mm) (📦 #1290)

1 object(s) - format STL
Tube adapter STL file ⌀ 51–35 mm (Length: 80 mm)
Tube reducer ⌀51 mm to ⌀35 mm in STL 3D format. Length of this adapter is 80 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 a fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 51 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 24–10 mm (Length: 90 mm) (📦 #3388)

1 object(s) - format STL
Tube adapter STL file ⌀ 24–10 mm (Length: 90 mm)
Tubing adapter ⌀24 mm to ⌀10 mm in STL 3D format. Length of this fitting is 90 mm. The larger-diameter tube has a thickness of 2.8 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 30 mm as well. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 24 mm
side A thickness 2.8 mm
side B length 30 mm
side B outer diameter 10 mm
side B thickness 3 mm
transition length 30 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...

Tube adapter STL 3D file ⌀ 50–6 mm (Length: 40 mm) (📦 #2347)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 50–6 mm (Length: 40 mm)
Inline tube adapter ⌀50 mm to ⌀6 mm in STL 3D format. Length of this fitting 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 15 mm. The ends have a fillet on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 6 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 72–33 mm (Length: 48 mm) (📦 #2709)

1 object(s) - format STL
Tube adapter STL file ⌀ 72–33 mm (Length: 48 mm)
Tube reducer ⌀72 mm to ⌀33 mm in STL format. Length of this connector is 48 mm. The thickness of the tubes is identical: 3.2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 8 mm. The ends feature a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 72 mm
side A thickness 3.2 mm
side B length 8 mm
side B outer diameter 33 mm
side B thickness 3.2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

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...

Tubing adapter STL 3D file ⌀ 35–15 mm (Length: 55 mm) (📦 #3147)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 35–15 mm (Length: 55 mm)
Straight tube adapter ⌀35 mm to ⌀15 mm in STL 3D format. Length of this coupler is 55 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 ends are rounded on the inside.
Parameter Value Unit
side A length 5 mm
side A outer diameter 35 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 15 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) (📦 #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...

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...

Tubing adapter STL 3D file ⌀ 10–7 mm (Length: 70 mm) (📦 #3275)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 10–7 mm (Length: 70 mm)
Tube fitting ⌀10 mm to ⌀7 mm in STL 3D format. Total length of this adapter is 70 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 25 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 40 mm. The two axes of the tubes are offset by 0.4 mm. The ends feature a fillet to ease the connection.
Parameter Value Unit
side A length 25 mm
side A outer diameter 10 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 7 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0.4 mm
ends fillet fillet on bo...