Custom Tube adapter STL 3D file ⌀ 88–76 mm (Length: 60 mm) 📦#8226

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Straight sleeve ⌀88 mm to ⌀76 mm in STL 3D format. Total length of this sleeve 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 are rounded on the inside.
Generation date: 2026-04-03
3D Model Tube adapter STL 3D file ⌀ 88–76 mm (Length: 60 mm)

3D model download

Free
  • inline-tube-adapter-lenA20mm-d_model8226-nb0_dd{id}.stl : 4.6 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 20 mm (≃0.79 in)
#2 side A outer diameter 88 mm (≃3.46 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 20 mm (≃0.79 in)
#5 side B outer diameter 76 mm (≃3 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 the inside
Metadata Value
inner diameter (side A) 84 mm (≃3 5/16 in)
inner diameter (side B) 72 mm (≃2.83 in)
total length 60 mm (≃2 3/8 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

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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 3D file ⌀ 80–50 mm (Length: 60 mm) (📦 #1359)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–50 mm (Length: 60 mm)
Inline tube reducer ⌀80 mm to ⌀50 mm in STL 3D format. Total length of this connector 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 two axes of the tubes are offset by 1 mm. The ends feature an internal 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 1 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 78–50 mm (Length: 60 mm) (📦 #1360)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 78–50 mm (Length: 60 mm)
Inline sleeve ⌀78 mm to ⌀50 mm in STL format. Length of this sleeve 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 two axes of the tubes are offset by 1 mm. The ends feature an internal fillet to ease the connection.
Parameter Value Unit
side A length 20 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...

Tube adapter STL file ⌀ 76–50 mm (Length: 60 mm) (📦 #1358)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL file ⌀ 76–50 mm (Length: 60 mm)
Straight tube fitting ⌀76 mm to ⌀50 mm in STL 3D format. Length of this fitting 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 an internal fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 76 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 th...

Tube adapter STL 3D file ⌀ 69–60 mm (Length: 60 mm) (📦 #7962)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 69–60 mm (Length: 60 mm)
Inline tube adapter ⌀69 mm to ⌀60 mm in STL format. Final length of this coupler is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The ends are rounded on the inside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 69–60 mm (Length: 58 mm) (📦 #7960)

1 object(s) - format STL
Tube adapter STL file ⌀ 69–60 mm (Length: 58 mm)
Straight tubing adapter ⌀69 mm to ⌀60 mm in STL format. Length of this fitting is 58 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends have a fillet on the inside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 8 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 70–61 mm (Length: 70 mm) (📦 #7958)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 70–61 mm (Length: 70 mm)
Tube reducer ⌀70 mm to ⌀61 mm in STL format. Length of this adapter 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 30 mm as well. The ends feature an internal fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 70 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 61 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 59–50 mm (Length: 70 mm) (📦 #8535)

1 object(s) - format STL
Tubing adapter STL file ⌀ 59–50 mm (Length: 70 mm)
Straight tube connector ⌀59 mm to ⌀50 mm in STL format. Length of this sleeve is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends are rounded on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 25 mm
side A outer diameter 59 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 82–63 mm (Length: 75 mm) (📦 #2117)

1 object(s) - format STL
Tube adapter STL file ⌀ 82–63 mm (Length: 75 mm)
Straight sleeve ⌀82 mm to ⌀63 mm in STL format. Length of this junction is 75 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 ends have a fillet on the inside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 82 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 63 mm
side B thickness 3 mm
transition length 25 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 100–50 mm (Length: 90 mm) (📦 #1454)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–50 mm (Length: 90 mm)
Tube connector ⌀100 mm to ⌀50 mm in STL format. Total length of this fitting is 90 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 on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 106–80 mm (Length: 70 mm) (📦 #6095)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 106–80 mm (Length: 70 mm)
Tube adapter ⌀106 mm to ⌀80 mm in STL 3D format. Length of this fitting is 70 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 on the inside to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 106 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

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 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 ⌀ 96–79 mm (Length: 80 mm) (📦 #2900)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 96–79 mm (Length: 80 mm)
Tubing adapter ⌀96 mm to ⌀79 mm in STL format. Length of this coupler 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 make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 96 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 79 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 70–69 mm (Length: 50 mm) (📦 #1394)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–69 mm (Length: 50 mm)
Diameter adapter ⌀70 mm to ⌀69 mm in STL 3D format. Length of this sleeve 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 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 70 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 69 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 102–79 mm (Length: 80 mm) (📦 #2901)

1 object(s) - format STL
Tube adapter STL file ⌀ 102–79 mm (Length: 80 mm)
Tube junction ⌀102 mm to ⌀79 mm in STL 3D format. Final length of this adapter 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 are rounded to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 102 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 79 mm
side B thickness 2 mm
transition length 20 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 3D file ⌀ 100–53 mm (Length: 100 mm) (📦 #1600)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–53 mm (Length: 100 mm)
Inline fitting ⌀100 mm to ⌀53 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 sleeve length of 30 mm, the smaller one of 30 mm as well. The ends feature an internal fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 53 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 94–90 mm (Length: 80 mm) (📦 #1391)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 94–90 mm (Length: 80 mm)
Straight tube fitting ⌀94 mm to ⌀90 mm in STL 3D format. Length of this adapter 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 feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 94 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 90 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

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 file ⌀ 79–77 mm (Length: 30 mm) (📦 #7237)

1 object(s) - format STL
Tubing adapter STL file ⌀ 79–77 mm (Length: 30 mm)
Tubing adapter ⌀79 mm to ⌀77 mm in STL 3D format. Length of this sleeve is 30 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 are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 79 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 77 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

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 file ⌀ 100–50 mm (Length: 100 mm) (📦 #1451)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–50 mm (Length: 100 mm)
Inline fitting ⌀100 mm to ⌀50 mm in STL 3D format. Total 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 30 mm, the smaller one of 30 mm as well. The ends feature an internal fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 40 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 ⌀ 94–58 mm (Length: 75 mm) (📦 #7222)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 94–58 mm (Length: 75 mm)
Inline sleeve ⌀94 mm to ⌀58 mm in STL 3D format. Final length of this adapter is 75 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 on the outside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 94 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 58 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 95–90 mm (Length: 70 mm) (📦 #1397)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 95–90 mm (Length: 70 mm)
Straight sleeve ⌀95 mm to ⌀90 mm in STL format. Length of this fitting 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 an external fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 95 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 90 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 64–54 mm (Length: 15 mm) (📦 #4701)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 64–54 mm (Length: 15 mm)
Tube adapter ⌀64 mm to ⌀54 mm in STL 3D format. Total length of this adapter is 15 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 5 mm as well. The ends are rounded on the inside.
Parameter Value Unit
side A length 5 mm
side A outer diameter 64 mm
side A thickness 2 mm
side B length 5 mm
side B outer diameter 54 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 104–65 mm (Length: 85 mm) (📦 #3123)

1 object(s) - format STL
Tube adapter STL file ⌀ 104–65 mm (Length: 85 mm)
Straight tube coupler ⌀104 mm to ⌀65 mm in STL 3D format. Total length of this adapter is 85 mm. The larger-diameter tube has a thickness of 2 mm and a length of 20 mm. The smaller-diameter tube has a thickness of 2.1 mm and a length of 35 mm. The ends have a fillet to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 65 mm
side B thickness 2.1 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 83–73 mm (Length: 25 mm) (📦 #7238)

1 object(s) - format STL
Tube adapter STL file ⌀ 83–73 mm (Length: 25 mm)
Straight tube connector ⌀83 mm to ⌀73 mm in STL 3D format. Total length of this reducer 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 are rounded to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 83 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 73 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 100–99 mm (Length: 40 mm) (📦 #6015)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–99 mm (Length: 40 mm)
Tube junction ⌀100 mm to ⌀99 mm in STL 3D format. Total length of this adapter 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 10 mm as well. The ends have a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 99 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...