Custom Tube adapter STL file ⌀ 74–57 mm (Length: 55 mm) 📦#10166

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Tube adapter ⌀74 mm to ⌀57 mm in STL format. Length of this reducer is 55 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The two axes of the tubes are offset by 8 mm. The ends feature a fillet.
Generation date: 2026-07-16
3D Model Tube adapter STL file ⌀ 74–57 mm (Length: 55 mm)

3D model download

Free
  • inline-tube-adapter-lenA25mm-d_model10166-nb0_dd{id}.stl : 13.4 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 25 mm (≃0.98 in)
#2 side A outer diameter 74 mm (≃2.91 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 25 mm (≃0.98 in)
#5 side B outer diameter 57 mm (≃2 1/4 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 5 mm (≃3/16 in)
#8 axis offset 8 mm (≃5/16 in)
#9 ends fillet fillet on both inside
and outside
Metadata Value
inner diameter (side A) 68 mm (≃2 11/16 in)
inner diameter (side B) 51 mm (≃2 in)
total length 55 mm (≃2.17 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 ⌀ 74–57 mm (Length: 70 mm) (📦 #10165)

1 object(s) - format STL
Tube adapter STL file ⌀ 74–57 mm (Length: 70 mm)
Straight tube reducer ⌀74 mm to ⌀57 mm in STL 3D format. Final length of this reducer is 70 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The two axes of the tubes are off-center by 8 mm. The ends feature a fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 74 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 57 mm
side B thickness 3 mm
transition length 20 mm
axis offset 8 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 70–55 mm (Length: 57 mm) (📦 #6697)

1 object(s) - format STL
Tubing adapter STL file ⌀ 70–55 mm (Length: 57 mm)
Inline tube adapter ⌀70 mm to ⌀55 mm in STL 3D format. Total length of this sleeve is 57 mm. The larger-diameter tube has a thickness of 2.4 mm and a sleeve length of 22 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 25 mm. The two axes of the tubes are offset by 5 mm. The ends have a fillet to make tube connection easier.
Parameter Value Unit
side A length 22 mm
side A outer diameter 70 mm
side A thickness 2.4 mm
side B length 25 mm
side B outer diameter 55 mm
side B thickness 4 mm
transition length 10 mm
axis offset 5 mm
ends fillet fillet on bo...

Tubing adapter STL 3D file ⌀ 74–59 mm (Length: 50 mm) (📦 #6935)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 74–59 mm (Length: 50 mm)
Inline fitting ⌀74 mm to ⌀59 mm in STL format. Final length of this coupler is 50 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 ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 74 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 59 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 79–57 mm (Length: 50 mm) (📦 #6937)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 79–57 mm (Length: 50 mm)
Inline tube adapter ⌀79 mm to ⌀57 mm in STL 3D format. Total length of this coupler is 50 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 are rounded to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 79 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 57 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 77–53 mm (Length: 50 mm) (📦 #5407)

1 object(s) - format STL
Tube adapter STL file ⌀ 77–53 mm (Length: 50 mm)
Inline tube adapter ⌀77 mm to ⌀53 mm in STL 3D format. Final length of this adapter is 50 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 are rounded to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 77 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 53 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL 3D file ⌀ 74–50 mm (Length: 50 mm) (📦 #5401)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 74–50 mm (Length: 50 mm)
Tubing adapter ⌀74 mm to ⌀50 mm in STL 3D format. Final length of this junction is 50 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 are rounded to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 74 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 81–51 mm (Length: 50 mm) (📦 #5408)

1 object(s) - format STL
Tubing adapter STL file ⌀ 81–51 mm (Length: 50 mm)
Tubing adapter ⌀81 mm to ⌀51 mm in STL format. Length of this reducer is 50 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 have a fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 81 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 51 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 70–34 mm (Length: 80 mm) (📦 #4413)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–34 mm (Length: 80 mm)
Tubing adapter ⌀70 mm to ⌀34 mm in STL 3D format. Total length of this sleeve 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 axes of the tubes are off-center by 3 mm. The ends feature a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 70 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 34 mm
side B thickness 3 mm
transition length 20 mm
axis offset 3 mm
ends fillet fillet on bo...

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...

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 ⌀ 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...

Tube adapter STL 3D file ⌀ 80–49 mm (Length: 80 mm) (📦 #5400)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–49 mm (Length: 80 mm)
Tubing reducer ⌀80 mm to ⌀49 mm in STL 3D format. Total length of this fitting 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 are rounded to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 49 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 60–48 mm (Length: 60 mm) (📦 #8486)

1 object(s) - format STL
Tubing adapter STL file ⌀ 60–48 mm (Length: 60 mm)
Inline tube junction ⌀60 mm to ⌀48 mm in STL format. Total length of this sleeve is 60 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 are rounded to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 48 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 47–43 mm (Length: 75 mm) (📦 #8154)

1 object(s) - format STL
Tubing adapter STL file ⌀ 47–43 mm (Length: 75 mm)
Straight tubing adapter ⌀47 mm to ⌀43 mm in STL 3D format. Total length of this sleeve is 75 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 40 mm. The ends are rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 47 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 43 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL 3D file ⌀ 69–48 mm (Length: 90 mm) (📦 #4806)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 69–48 mm (Length: 90 mm)
Diameter adapter ⌀69 mm to ⌀48 mm in STL format. Length of this junction is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 40 mm. The ends are rounded to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 69 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 48 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 57–37 mm (Length: 80 mm) (📦 #6650)

1 object(s) - format STL
Tubing adapter STL file ⌀ 57–37 mm (Length: 80 mm)
Inline tube coupler ⌀57 mm to ⌀37 mm in STL format. 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 to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 57 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 37 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 69–47 mm (Length: 78 mm) (📦 #9455)

1 object(s) - format STL
Tube adapter STL file ⌀ 69–47 mm (Length: 78 mm)
Tubing adapter ⌀69 mm to ⌀47 mm in STL 3D format. Total length of this connector is 78 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 18 mm. The ends feature a fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 69 mm
side A thickness 3 mm
side B length 18 mm
side B outer diameter 47 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 56–35 mm (Length: 80 mm) (📦 #6630)

1 object(s) - format STL
Tube adapter STL file ⌀ 56–35 mm (Length: 80 mm)
Tubing adapter ⌀56 mm to ⌀35 mm in STL format. Length of this junction 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 to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 56 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 ⌀ 66–44 mm (Length: 78 mm) (📦 #9454)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 66–44 mm (Length: 78 mm)
Straight tube connector ⌀66 mm to ⌀44 mm in STL format. Length of this coupler is 78 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 18 mm. The ends feature a fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 66 mm
side A thickness 3 mm
side B length 18 mm
side B outer diameter 44 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 60–40 mm (Length: 85 mm) (📦 #4722)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–40 mm (Length: 85 mm)
Straight sleeve ⌀60 mm to ⌀40 mm in STL 3D format. Final length of this connector is 85 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 are rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 40 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL 3D file ⌀ 88–70 mm (Length: 45 mm) (📦 #8285)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 88–70 mm (Length: 45 mm)
Tube junction ⌀88 mm to ⌀70 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 20 mm, the smaller one of 20 mm as well. The ends feature a fillet to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 88 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 70 mm
side B thickness 2 mm
transition length 5 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 file ⌀ 63–41 mm (Length: 78 mm) (📦 #9453)

1 object(s) - format STL
Tube adapter STL file ⌀ 63–41 mm (Length: 78 mm)
Inline tube junction ⌀63 mm to ⌀41 mm in STL format. Total length of this reducer is 78 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 18 mm. The ends have a fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 63 mm
side A thickness 3 mm
side B length 18 mm
side B outer diameter 41 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL 3D file ⌀ 38–31 mm (Length: 50 mm) (📦 #8960)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 38–31 mm (Length: 50 mm)
Inline tube junction ⌀38 mm to ⌀31 mm in STL 3D format. Final length of this adapter is 50 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 22 mm, the smaller one of 20 mm. The ends are rounded to ease the connection.
Parameter Value Unit
side A length 22 mm
side A outer diameter 38 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 31 mm
side B thickness 3 mm
transition length 8 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 47–43 mm (Length: 85 mm) (📦 #8153)

1 object(s) - format STL
Tubing adapter STL file ⌀ 47–43 mm (Length: 85 mm)
Inline tube coupler ⌀47 mm to ⌀43 mm in STL format. Total length of this connector is 85 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 to ease the connection.
Parameter Value Unit
side A length 40 mm
side A outer diameter 47 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 43 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 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 ⌀ 51–47 mm (Length: 30 mm) (📦 #5165)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 51–47 mm (Length: 30 mm)
Diameter adapter ⌀51 mm to ⌀47 mm in STL format. Total length of this sleeve is 30 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 10 mm as well. The ends are rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 51 mm
side A thickness 2.5 mm
side B length 10 mm
side B outer diameter 47 mm
side B thickness 2.5 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 93–75 mm (Length: 70 mm) (📦 #8287)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 93–75 mm (Length: 70 mm)
Tubing reducer ⌀93 mm to ⌀75 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 sleeve 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 93 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 75 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL 3D file ⌀ 80–50 mm (Length: 60 mm) (📦 #8852)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 80–50 mm (Length: 60 mm)
Inline tube reducer ⌀80 mm to ⌀50 mm in STL format. Total length of this coupler is 60 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 a fillet to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...