?>

Custom Tube adapter STL file ⌀ 52–25 mm (Length: 105 mm) 📦#2186

STL Download STL 1
Create a new model:
from scratch search for a model
Tube junction ⌀52 mm to ⌀25 mm in STL 3D format. Final length of this junction is 105 mm. The larger-diameter tube has a thickness of 6 mm and a sleeve length of 40 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 50 mm. The ends have a fillet to make tube connection easier.
Generation date: 2025-10-04
3D Model Tube adapter STL file ⌀ 52–25 mm (Length: 105 mm)

3D model download

Free
  • inline-tube-adapter-lenA40mm-d_model2186-nb0_dd{id}.stl : 8.1 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
No compliance warranty No compliance warranty
(attribution - commercial use allowed)
Safe download
Instant .zip download — no email, no account

Values for this model

This model was generated by the Inline tube adapter template, with the following values:
Parameter Value
#1 side A length 40 mm (≃1 9/16 in)
#2 side A outer diameter 52 mm (≃2 1/16 in)
#3 side A thickness 6 mm (≃1/4 in)
#4 side B length 50 mm (≃1.97 in)
#5 side B outer diameter 25 mm (≃0.98 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 15 mm (≃0.59 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on both inside
and outside
Metadata Value
inner diameter (side A) 40 mm (≃1 9/16 in)
inner diameter (side B) 19 mm (≃3/4 in)
total length 105 mm (≃4 1/8 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 ⌀ 50–30 mm (Length: 95 mm) (📦 #1314)

1 object(s) - format STL
Tube adapter STL file ⌀ 50–30 mm (Length: 95 mm)
Tube fitting ⌀50 mm to ⌀30 mm in STL format. Final length of this reducer is 95 mm. The larger-diameter tube has a thickness of 5 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 50 mm. The ends have a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 50 mm
side A thickness 5 mm
side B length 50 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 file ⌀ 51–35 mm (Length: 75 mm) (📦 #1289)

1 object(s) - format STL
Tube adapter STL file ⌀ 51–35 mm (Length: 75 mm)
Tube coupler ⌀51 mm to ⌀35 mm in STL format. Final length of this reducer is 75 mm. The larger-diameter tube has a thickness of 6 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 are rounded to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 51 mm
side A thickness 6 mm
side B length 30 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 58–52 mm (Length: 100 mm) (📦 #3048)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 58–52 mm (Length: 100 mm)
Straight tubing adapter ⌀58 mm to ⌀52 mm in STL 3D format. Final length of this coupler is 100 mm. The larger-diameter tube has a thickness of 4 mm and a length of 45 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 40 mm. The ends are rounded on the inside to ease the connection.
Parameter Value Unit
side A length 45 mm
side A outer diameter 58 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 52 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 35–34 mm (Length: 100 mm) (📦 #2033)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 35–34 mm (Length: 100 mm)
Tube reducer ⌀35 mm to ⌀34 mm in STL 3D format. Final length of this adapter is 100 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 40 mm as well. The ends feature a fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 35 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 34 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 123–58 mm (Length: 70 mm) (📦 #2028)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 123–58 mm (Length: 70 mm)
Inline tube junction ⌀123 mm to ⌀58 mm in STL 3D format. Final length of this junction is 70 mm. The larger-diameter tube has a thickness of 5 mm and a length of 25 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 25 mm as well. The ends feature a fillet to make tube connection easier.
Parameter Value Unit
side A length 25 mm
side A outer diameter 123 mm
side A thickness 5 mm
side B length 25 mm
side B outer diameter 58 mm
side B thickness 4 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

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 3D file ⌀ 123–58 mm (Length: 120 mm) (📦 #2866)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 123–58 mm (Length: 120 mm)
Straight tube adapter ⌀123 mm to ⌀58 mm in STL format. Length of this reducer is 120 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 50 mm as well. The two axes of the tubes are off-center by 4.9 mm. The ends feature a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 50 mm
side A outer diameter 123 mm
side A thickness 5 mm
side B length 50 mm
side B outer diameter 58 mm
side B thickness 5 mm
transition length 20 mm
axis offset 4.9 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 80–35 mm (Length: 90 mm) (📦 #1764)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–35 mm (Length: 90 mm)
Inline tube coupler ⌀80 mm to ⌀35 mm in STL format. Total length of this adapter is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 30 mm. The ends have a fillet to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 80 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...

Tubing adapter STL 3D file ⌀ 67–50 mm (Length: 80 mm) (📦 #3297)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 67–50 mm (Length: 80 mm)
Inline sleeve ⌀67 mm to ⌀50 mm in STL 3D format. Length of this fitting is 80 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The ends feature a fillet to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 67 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 56–50 mm (Length: 100 mm) (📦 #3303)

1 object(s) - format STL
Tubing adapter STL file ⌀ 56–50 mm (Length: 100 mm)
Straight tube coupler ⌀56 mm to ⌀50 mm in STL 3D format. Length of this sleeve is 100 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 40 mm as well. The ends feature an internal fillet to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 56 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

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

1 object(s) - format STL
Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm)
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.
Parameter Value Unit
side A length 20 mm
side A outer diameter 32 mm
side A thickness 3.5 mm
side B length 20 mm
side B outer diameter 15 mm
side B thickness 3.5 mm
transition length 10 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...

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 ⌀ 80–50 mm (Length: 120 mm) (📦 #1146)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–50 mm (Length: 120 mm)
Inline tube coupler ⌀80 mm to ⌀50 mm in STL 3D format. Final length of this sleeve is 120 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 40 mm. The two axes of the tubes are off-center by 14.9 mm. The ends are rounded to ease the connection.
Parameter Value Unit
side A length 50 mm
side A outer diameter 80 mm
side A thickness 5 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 5 mm
transition length 30 mm
axis offset 14.9 mm
ends fillet fillet on bo...

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...

Tube adapter STL 3D file ⌀ 85–54 mm (Length: 120 mm) (📦 #3001)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 85–54 mm (Length: 120 mm)
Tube connector ⌀85 mm to ⌀54 mm in STL format. Total length of this junction is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 60 mm, the smaller one of 55 mm. The axes of the tubes are offset by 5 mm. The ends have a fillet.
Parameter Value Unit
side A length 60 mm
side A outer diameter 85 mm
side A thickness 3 mm
side B length 55 mm
side B outer diameter 54 mm
side B thickness 3 mm
transition length 5 mm
axis offset 5 mm
ends fillet fillet on bo...

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...

Tubing adapter STL file ⌀ 80–32 mm (Length: 110 mm) (📦 #3928)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–32 mm (Length: 110 mm)
Inline sleeve ⌀80 mm to ⌀32 mm in STL format. Total length of this fitting is 110 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 60 mm. The two axes of the tubes are offset by 10 mm. The ends feature an internal fillet to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 60 mm
side B outer diameter 32 mm
side B thickness 3 mm
transition length 20 mm
axis offset 10 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...

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 ⌀ 99–62 mm (Length: 90 mm) (📦 #2838)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 99–62 mm (Length: 90 mm)
Tubing adapter ⌀99 mm to ⌀62 mm in STL 3D format. Total length of this fitting is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 35 mm as well. The ends are rounded on the inside.
Parameter Value Unit
side A length 35 mm
side A outer diameter 99 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 62 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 60–49 mm (Length: 55 mm) (📦 #2988)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 60–49 mm (Length: 55 mm)
Inline sleeve ⌀60 mm to ⌀49 mm in STL 3D format. Final length of this coupler is 55 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends are rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 60 mm
side A thickness 2.5 mm
side B length 25 mm
side B outer diameter 49 mm
side B thickness 2.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL 3D file ⌀ 71–30 mm (Length: 86 mm) (📦 #2713)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 71–30 mm (Length: 86 mm)
Inline tube reducer ⌀71 mm to ⌀30 mm in STL 3D format. Length of this fitting is 86 mm. The thickness of the tubes is identical: 3.2 mm. The larger-diameter tube has a sleeve length of 10 mm, the smaller one of 26 mm. The ends feature a fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 71 mm
side A thickness 3.2 mm
side B length 26 mm
side B outer diameter 30 mm
side B thickness 3.2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on bo...

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...

Tubing adapter STL 3D file ⌀ 60–51 mm (Length: 55 mm) (📦 #2994)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 60–51 mm (Length: 55 mm)
Straight sleeve ⌀60 mm to ⌀51 mm in STL format. Final length of this sleeve is 55 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends feature a fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 60 mm
side A thickness 2.5 mm
side B length 25 mm
side B outer diameter 51 mm
side B thickness 2.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on bo...

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 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...