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

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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.
Generation date: 2025-08-21
3D Model Tube adapter STL 3D file ⌀ 70–69 mm (Length: 50 mm)

3D model download

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  • inline-tube-adapter-lenA20mm-d_model1394-nb0_dd{id}.stl : 3.3 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 70 mm (≃2 3/4 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 20 mm (≃0.79 in)
#5 side B outer diameter 69 mm (≃2.72 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 10 mm (≃0.39 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 66 mm (≃2.60 in)
inner diameter (side B) 65 mm (≃2 9/16 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 3D file ⌀ 94–80 mm (Length: 50 mm) (📦 #1929)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 94–80 mm (Length: 50 mm)
Tube reducer ⌀94 mm to ⌀80 mm in STL 3D format. Final length of this reducer 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 axes of the tubes are off-center by 5.9 mm. The ends feature an external fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 94 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 5.9 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...

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 ⌀ 81–55 mm (Length: 80 mm) (📦 #1440)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 81–55 mm (Length: 80 mm)
Inline sleeve ⌀81 mm to ⌀55 mm in STL 3D format. Final length of this connector is 80 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 on the outside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 81 mm
side A thickness 2.5 mm
side B length 25 mm
side B outer diameter 55 mm
side B thickness 2.5 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 64–60 mm (Length: 50 mm) (📦 #3467)

1 object(s) - format STL
Tube adapter STL file ⌀ 64–60 mm (Length: 50 mm)
Tube adapter ⌀64 mm to ⌀60 mm in STL format. Length of this reducer 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 are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 64 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 96–66 mm (Length: 95 mm) (📦 #2875)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 96–66 mm (Length: 95 mm)
Straight sleeve ⌀96 mm to ⌀66 mm in STL 3D format. Total length of this adapter is 95 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 35 mm, the smaller one of 35 mm as well. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 35 mm
side A outer diameter 96 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 66 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 80–60 mm (Length: 60 mm) (📦 #1882)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–60 mm (Length: 60 mm)
Tube connector ⌀80 mm to ⌀60 mm in STL 3D format. Final length of this connector 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 are raw.
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 60 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 100–66 mm (Length: 95 mm) (📦 #2876)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–66 mm (Length: 95 mm)
Tube fitting ⌀100 mm to ⌀66 mm in STL format. Final length of this adapter is 95 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 35 mm, the smaller one of 35 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 35 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 66 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 90–80 mm (Length: 48 mm) (📦 #3260)

1 object(s) - format STL
Tube adapter STL file ⌀ 90–80 mm (Length: 48 mm)
Straight tube adapter ⌀90 mm to ⌀80 mm in STL 3D format. Final length of this coupler is 48 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 18 mm, the smaller one of 25 mm. The ends have no fillet.
Parameter Value Unit
side A length 18 mm
side A outer diameter 90 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 90–82 mm (Length: 48 mm) (📦 #3261)

1 object(s) - format STL
Tube adapter STL file ⌀ 90–82 mm (Length: 48 mm)
Inline tube reducer ⌀90 mm to ⌀82 mm in STL 3D format. Length of this sleeve is 48 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 18 mm, the smaller one of 25 mm. The ends have no fillet.
Parameter Value Unit
side A length 18 mm
side A outer diameter 90 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 82 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 90–85 mm (Length: 39 mm) (📦 #3259)

1 object(s) - format STL
Tubing adapter STL file ⌀ 90–85 mm (Length: 39 mm)
Tubing adapter ⌀90 mm to ⌀85 mm in STL 3D format. Final length of this junction is 39 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 18 mm, the smaller one of 16 mm. The ends are not rounded.
Parameter Value Unit
side A length 18 mm
side A outer diameter 90 mm
side A thickness 2 mm
side B length 16 mm
side B outer diameter 85 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

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 ⌀ 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 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 file ⌀ 104–60 mm (Length: 40 mm) (📦 #2607)

1 object(s) - format STL
Tube adapter STL file ⌀ 104–60 mm (Length: 40 mm)
Tube fitting ⌀104 mm to ⌀60 mm in STL 3D format. Total length of this reducer is 40 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 15 mm as well. The ends are raw.
Parameter Value Unit
side A length 15 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 50–49 mm (Length: 57 mm) (📦 #3608)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 50–49 mm (Length: 57 mm)
Tube junction ⌀50 mm to ⌀49 mm in STL 3D format. Final length of this adapter is 57 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 26 mm, the smaller one of 26 mm as well. The ends are raw.
Parameter Value Unit
side A length 26 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 26 mm
side B outer diameter 49 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 86–66 mm (Length: 70 mm) (📦 #1990)

1 object(s) - format STL
Tube adapter STL file ⌀ 86–66 mm (Length: 70 mm)
Tube fitting ⌀86 mm to ⌀66 mm in STL format. 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 20 mm, the smaller one of 20 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 86 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 66 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 58–47 mm (Length: 85 mm) (📦 #2827)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 58–47 mm (Length: 85 mm)
Tube coupler ⌀58 mm to ⌀47 mm in STL format. Length of this fitting is 85 mm. The larger-diameter tube has a thickness of 2.5 mm and a length of 35 mm. The smaller-diameter tube has a thickness of 3.2 mm and a length of 35 mm as well. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 35 mm
side A outer diameter 58 mm
side A thickness 2.5 mm
side B length 35 mm
side B outer diameter 47 mm
side B thickness 3.2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 69–65 mm (Length: 100 mm) (📦 #1393)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 69–65 mm (Length: 100 mm)
Inline tube coupler ⌀69 mm to ⌀65 mm in STL format. Final length of this fitting is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 50 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 65–47 mm (Length: 80 mm) (📦 #3046)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 65–47 mm (Length: 80 mm)
Straight tube fitting ⌀65 mm to ⌀47 mm in STL 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 are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 65 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 47 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 102–90 mm (Length: 80 mm) (📦 #1383)

1 object(s) - format STL
Tube adapter STL file ⌀ 102–90 mm (Length: 80 mm)
Straight tube connector ⌀102 mm to ⌀90 mm in STL format. Final length of this sleeve is 80 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 50 mm. The ends feature an external fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 102 mm
side A thickness 2 mm
side B length 50 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...

Tube adapter STL 3D file ⌀ 94–80 mm (Length: 80 mm) (📦 #1928)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 94–80 mm (Length: 80 mm)
Inline sleeve ⌀94 mm to ⌀80 mm in STL 3D format. Total length of this coupler is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 50 mm. The axes of the tubes are off-center by 5.9 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 94 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 5.9 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 70–49 mm (Length: 85 mm) (📦 #2632)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–49 mm (Length: 85 mm)
Inline tubing adapter ⌀70 mm to ⌀49 mm in STL 3D format. Length of this connector is 85 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 are raw.
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 49 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 94–80 mm (Length: 90 mm) (📦 #1936)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 94–80 mm (Length: 90 mm)
Straight tube coupler ⌀94 mm to ⌀80 mm in STL 3D 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 40 mm, the smaller one of 40 mm as well. The axes of the tubes are offset by 5.9 mm. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 40 mm
side A outer diameter 94 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 5.9 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 107–80 mm (Length: 70 mm) (📦 #2919)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 107–80 mm (Length: 70 mm)
Tubing reducer ⌀107 mm to ⌀80 mm in STL format. Length of this connector 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 raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 107 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 80–50 mm (Length: 80 mm) (📦 #1575)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–50 mm (Length: 80 mm)
Tube reducer ⌀80 mm to ⌀50 mm in STL 3D format. Final length of this coupler is 80 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 103–88 mm (Length: 90 mm) (📦 #2114)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 103–88 mm (Length: 90 mm)
Inline tube junction ⌀103 mm to ⌀88 mm in STL format. Total length of this sleeve 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 50 mm. The ends have a fillet on the outside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 103 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 88 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 85–60 mm (Length: 45 mm) (📦 #1165)

1 object(s) - format STL
Tube adapter STL file ⌀ 85–60 mm (Length: 45 mm)
Tube coupler ⌀85 mm to ⌀60 mm in STL format. Final length of this connector is 45 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 no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 85 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 69–46 mm (Length: 85 mm) (📦 #2626)

1 object(s) - format STL
Tubing adapter STL file ⌀ 69–46 mm (Length: 85 mm)
Inline tube coupler ⌀69 mm to ⌀46 mm in STL format. Total length of this adapter is 85 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 are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 46 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 66–41 mm (Length: 90 mm) (📦 #1793)

1 object(s) - format STL
Tube adapter STL file ⌀ 66–41 mm (Length: 90 mm)
Straight tube adapter ⌀66 mm to ⌀41 mm in STL format. Length of this reducer is 90 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 45 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 40 mm
side A outer diameter 66 mm
side A thickness 2 mm
side B length 45 mm
side B outer diameter 41 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...