Custom Tubing adapter STL 3D file ⌀ 81–70 mm (Length: 70 mm) 📦#5879

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Straight tubing adapter ⌀81 mm to ⌀70 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 10 mm, the smaller one of 20 mm. The ends are rounded on the outside to facilitate the connection of the two tubes.
Generation date: 2026-01-03
3D Model Tubing adapter STL 3D file ⌀ 81–70 mm (Length: 70 mm)

3D model download

Free
  • inline-tube-adapter-lenA10mm-d_model5879-nb0_dd{id}.stl : 3.7 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 10 mm (≃0.39 in)
#2 side A outer diameter 81 mm (≃3 3/16 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 20 mm (≃0.79 in)
#5 side B outer diameter 70 mm (≃2 3/4 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 40 mm (≃1 9/16 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 77 mm (≃3.03 in)
inner diameter (side B) 66 mm (≃2.60 in)
total length 70 mm (≃2 3/4 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 

Tubing adapter STL file ⌀ 70–64 mm (Length: 70 mm) (📦 #5794)

1 object(s) - format STL
Tubing adapter STL file ⌀ 70–64 mm (Length: 70 mm)
Straight tube adapter ⌀70 mm to ⌀64 mm in STL 3D format. Length of this connector is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 20 mm. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 10 mm
side A outer diameter 70 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 64 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 69–65 mm (Length: 70 mm) (📦 #8632)

1 object(s) - format STL
Tube adapter STL file ⌀ 69–65 mm (Length: 70 mm)
Straight tube connector ⌀69 mm to ⌀65 mm in STL 3D format. Total length of this fitting is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 20 mm. The ends feature an external fillet to ease the connection.
Parameter Value Unit
side A length 10 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 70–60 mm (Length: 70 mm) (📦 #5764)

1 object(s) - format STL
Tubing adapter STL file ⌀ 70–60 mm (Length: 70 mm)
Inline fitting ⌀70 mm to ⌀60 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 10 mm, the smaller one of 20 mm. 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 70 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 71–65 mm (Length: 90 mm) (📦 #8649)

1 object(s) - format STL
Tubing adapter STL file ⌀ 71–65 mm (Length: 90 mm)
Straight tube connector ⌀71 mm to ⌀65 mm in STL 3D format. 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 20 mm, the smaller one of 20 mm as well. The ends have a fillet on the outside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 71 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 73–64 mm (Length: 90 mm) (📦 #8635)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 73–64 mm (Length: 90 mm)
Inline tubing adapter ⌀73 mm to ⌀64 mm in STL format. Final length of this connector is 90 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 20 mm. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 73 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 64 mm
side B thickness 2 mm
transition length 60 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...

Tubing adapter STL 3D file ⌀ 80–60 mm (Length: 70 mm) (📦 #3752)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 80–60 mm (Length: 70 mm)
Inline fitting ⌀80 mm to ⌀60 mm in STL 3D format. Total length of this connector is 70 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 not rounded.
Parameter Value Unit
side A length 15 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 77–70 mm (Length: 50 mm) (📦 #5536)

1 object(s) - format STL
Tubing adapter STL file ⌀ 77–70 mm (Length: 50 mm)
Tubing adapter ⌀77 mm to ⌀70 mm in STL format. Final length of this adapter is 50 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 no fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 77 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 70 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 76–70 mm (Length: 50 mm) (📦 #5541)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 76–70 mm (Length: 50 mm)
Straight tube reducer ⌀76 mm to ⌀70 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 length of 10 mm, the smaller one of 10 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 76 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 70 mm
side B thickness 2 mm
transition length 30 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 ⌀ 104–84 mm (Length: 80 mm) (📦 #6507)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 104–84 mm (Length: 80 mm)
Inline tube coupler ⌀104 mm to ⌀84 mm in STL 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 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 104 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 84 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 71–55 mm (Length: 70 mm) (📦 #7438)

1 object(s) - format STL
Tubing adapter STL file ⌀ 71–55 mm (Length: 70 mm)
Inline tube coupler ⌀71 mm to ⌀55 mm in STL format. Total length of this fitting is 70 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 no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 71 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 55 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 105–85 mm (Length: 80 mm) (📦 #6489)

1 object(s) - format STL
Tube adapter STL file ⌀ 105–85 mm (Length: 80 mm)
Straight tubing adapter ⌀105 mm to ⌀85 mm in STL format. Final length of this adapter 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 20 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 105 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 85 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 60–42 mm (Length: 80 mm) (📦 #5115)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 60–42 mm (Length: 80 mm)
Inline tube reducer ⌀60 mm to ⌀42 mm in STL 3D format. Final 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 20 mm, the smaller one of 20 mm as well. The ends are rounded on the outside to facilitate the connection of the two tubes.
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 42 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

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...

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...

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 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...

Tubing adapter STL file ⌀ 65–55 mm (Length: 80 mm) (📦 #8220)

1 object(s) - format STL
Tubing adapter STL file ⌀ 65–55 mm (Length: 80 mm)
Inline sleeve ⌀65 mm to ⌀55 mm in STL format. Final length of this fitting is 80 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 have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 65 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 55 mm
side B thickness 2 mm
transition length 30 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...

Tubing adapter STL file ⌀ 115–65 mm (Length: 100 mm) (📦 #3424)

1 object(s) - format STL
Tubing adapter STL file ⌀ 115–65 mm (Length: 100 mm)
Inline tubing adapter ⌀115 mm to ⌀65 mm in STL format. Length of this fitting 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 40 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 115 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 120–60 mm (Length: 80 mm) (📦 #1842)

1 object(s) - format STL
Tube adapter STL file ⌀ 120–60 mm (Length: 80 mm)
Tube fitting ⌀120 mm to ⌀60 mm in STL format. Total length of this junction 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 20 mm as well. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 120 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 80–77 mm (Length: 60 mm) (📦 #7234)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 80–77 mm (Length: 60 mm)
Inline tube coupler ⌀80 mm to ⌀77 mm in STL format. Length of this adapter 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 have no fillet.
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 77 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 86–76 mm (Length: 60 mm) (📦 #8206)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 86–76 mm (Length: 60 mm)
Inline tube junction ⌀86 mm to ⌀76 mm in STL format. 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 ends are not rounded.
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 76 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

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

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 88–76 mm (Length: 60 mm)
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.
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 76 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 115–62 mm (Length: 100 mm) (📦 #3425)

1 object(s) - format STL
Tubing adapter STL file ⌀ 115–62 mm (Length: 100 mm)
Straight tube fitting ⌀115 mm to ⌀62 mm in STL format. Length of this fitting is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 40 mm. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 115 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 62 mm
side B thickness 2 mm
transition length 30 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 3D file ⌀ 67–53 mm (Length: 89 mm) (📦 #4886)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 67–53 mm (Length: 89 mm)
Straight tube coupler ⌀67 mm to ⌀53 mm in STL 3D format. Final length of this sleeve is 89 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 29 mm. The ends are rounded on the outside 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 29 mm
side B outer diameter 53 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 74–60 mm (Length: 60 mm) (📦 #7129)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 74–60 mm (Length: 60 mm)
Tubing reducer ⌀74 mm to ⌀60 mm in STL 3D format. Total 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 are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 74 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