Custom Tubing adapter STL file ⌀ 67–45 mm (Length: 78 mm) 📦#9457

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Inline tube reducer ⌀67 mm to ⌀45 mm in STL format. Total length of this junction is 78 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 18 mm. The ends are rounded.
Generation date: 2026-06-15
3D Model Tubing adapter STL file ⌀ 67–45 mm (Length: 78 mm)

3D model download

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  • inline-tube-adapter-lenA40mm-d_model9457-nb0_dd{id}.stl : 9.5 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 40 mm (≃1 9/16 in)
#2 side A outer diameter 67 mm (≃2 5/8 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 18 mm (≃0.71 in)
#5 side B outer diameter 45 mm (≃1.77 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 20 mm (≃0.79 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on both inside
and outside
Metadata Value
inner diameter (side A) 63 mm (≃2.48 in)
inner diameter (side B) 41 mm (≃1 5/8 in)
total length 78 mm (≃3 1/16 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 ⌀ 54–44 mm (Length: 80 mm) (📦 #4484)

1 object(s) - format STL
Tube adapter STL file ⌀ 54–44 mm (Length: 80 mm)
Inline sleeve ⌀54 mm to ⌀44 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 have a fillet to facilitate the connection of the two tubes.
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 44 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 78–65 mm (Length: 70 mm) (📦 #4184)

1 object(s) - format STL
Tubing adapter STL file ⌀ 78–65 mm (Length: 70 mm)
Diameter adapter ⌀78 mm to ⌀65 mm in STL 3D format. Length of this reducer is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 20 mm. The ends are rounded to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 78 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL 3D file ⌀ 46–39 mm (Length: 80 mm) (📦 #4835)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 46–39 mm (Length: 80 mm)
Inline tube coupler ⌀46 mm to ⌀39 mm in STL 3D format. Total length of this fitting 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 a fillet to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 46 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 39 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 60–20 mm (Length: 75 mm) (📦 #2411)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–20 mm (Length: 75 mm)
Inline tube junction ⌀60 mm to ⌀20 mm in STL format. Total length of this connector is 75 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 25 mm. The ends feature a fillet to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 60 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 20 mm
side B thickness 2 mm
transition length 20 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...

Tube adapter STL 3D file ⌀ 46–43 mm (Length: 70 mm) (📦 #4857)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 46–43 mm (Length: 70 mm)
Diameter adapter ⌀46 mm to ⌀43 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 facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 46 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 43 mm
side B thickness 2 mm
transition length 10 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 ⌀ 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 ⌀ 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 file ⌀ 47–42 mm (Length: 48 mm) (📦 #6947)

1 object(s) - format STL
Tubing adapter STL file ⌀ 47–42 mm (Length: 48 mm)
Tubing reducer ⌀47 mm to ⌀42 mm in STL 3D format. Final length of this junction is 48 mm. The larger-diameter tube has a thickness of 2.2 mm and a sleeve length of 25 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 13 mm. The ends have a fillet to ease the connection.
Parameter Value Unit
side A length 25 mm
side A outer diameter 47 mm
side A thickness 2.2 mm
side B length 13 mm
side B outer diameter 42 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 44–42 mm (Length: 70 mm) (📦 #7604)

1 object(s) - format STL
Tube adapter STL file ⌀ 44–42 mm (Length: 70 mm)
Straight tube reducer ⌀44 mm to ⌀42 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 30 mm, the smaller one of 30 mm as well. The ends are rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 44 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 42 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 50–40 mm (Length: 100 mm) (📦 #1125)

1 object(s) - format STL (4.0/5) 1 vote(s)
Tube adapter STL file ⌀ 50–40 mm (Length: 100 mm)
Straight tube fitting ⌀50 mm to ⌀40 mm in STL format. Length of this reducer is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 40 mm as well. The ends have a fillet to ease the connection.
Parameter Value Unit
side A length 40 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 40 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 50–40 mm (Length: 50 mm) (📦 #1124)

1 object(s) - format STL
Tube adapter STL file ⌀ 50–40 mm (Length: 50 mm)
Tube junction ⌀50 mm to ⌀40 mm in STL 3D format. Length of this coupler is 50 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 have a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 40 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 68–67 mm (Length: 99 mm) (📦 #7301)

1 object(s) - format STL
Tube adapter STL file ⌀ 68–67 mm (Length: 99 mm)
Straight tube adapter ⌀68 mm to ⌀67 mm in STL format. Length of this coupler is 99 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 have a fillet.
Parameter Value Unit
side A length 35 mm
side A outer diameter 68 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 67 mm
side B thickness 2 mm
transition length 29 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 50–25 mm (Length: 90 mm) (📦 #7361)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 50–25 mm (Length: 90 mm)
Tube junction ⌀50 mm to ⌀25 mm in STL format. Final length of this adapter 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 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 50 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 30 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 ⌀ 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 ⌀ 67–43 mm (Length: 119 mm) (📦 #6413)

1 object(s) - format STL
Tube adapter STL file ⌀ 67–43 mm (Length: 119 mm)
Tube fitting ⌀67 mm to ⌀43 mm in STL format. Length of this coupler is 119 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 45 mm, the smaller one of 40 mm. The ends feature a fillet to ease the connection.
Parameter Value Unit
side A length 45 mm
side A outer diameter 67 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 43 mm
side B thickness 2 mm
transition length 34 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 ⌀ 85–60 mm (Length: 100 mm) (📦 #8273)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 85–60 mm (Length: 100 mm)
Tube coupler ⌀85 mm to ⌀60 mm in STL 3D format. Final length of this connector is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 35 mm, the smaller one of 40 mm. The ends feature a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 35 mm
side A outer diameter 85 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 78–50 mm (Length: 80 mm) (📦 #1361)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 78–50 mm (Length: 80 mm)
Tube connector ⌀78 mm to ⌀50 mm in STL 3D format. Length of this junction is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 20 mm. The axes of the tubes are off-center by 1 mm. The ends have a fillet on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 40 mm
side A outer diameter 78 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 1 mm
ends fillet fillet on th...

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 file ⌀ 67–45 mm (Length: 120 mm) (📦 #6366)

1 object(s) - format STL
Tube adapter STL file ⌀ 67–45 mm (Length: 120 mm)
Diameter adapter ⌀67 mm to ⌀45 mm in STL format. Total length of this coupler is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 40 mm. The ends are rounded to make tube connection easier.
Parameter Value Unit
side A length 45 mm
side A outer diameter 67 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 45 mm
side B thickness 2 mm
transition length 35 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 67–41 mm (Length: 120 mm) (📦 #6335)

1 object(s) - format STL
Tube adapter STL file ⌀ 67–41 mm (Length: 120 mm)
Inline tube coupler ⌀67 mm to ⌀41 mm in STL format. Length of this reducer is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 40 mm. The ends are rounded to ease the connection.
Parameter Value Unit
side A length 45 mm
side A outer diameter 67 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 41 mm
side B thickness 2 mm
transition length 35 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 67–40 mm (Length: 120 mm) (📦 #6288)

1 object(s) - format STL
Tubing adapter STL file ⌀ 67–40 mm (Length: 120 mm)
Diameter adapter ⌀67 mm to ⌀40 mm in STL 3D format. Length of this sleeve is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 40 mm. The ends have a fillet to make tube connection easier.
Parameter Value Unit
side A length 45 mm
side A outer diameter 67 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 40 mm
side B thickness 2 mm
transition length 35 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 ⌀ 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 ⌀ 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...

Tubing adapter STL file ⌀ 80–65 mm (Length: 115 mm) (📦 #4202)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–65 mm (Length: 115 mm)
Tube reducer ⌀80 mm to ⌀65 mm in STL format. Total length of this connector is 115 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 40 mm. The ends have a fillet to ease the connection.
Parameter Value Unit
side A length 50 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 25 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...