Custom Tube adapter STL 3D file ⌀ 70–43 mm (Length: 149 mm) 📦#8464

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Inline sleeve ⌀70 mm to ⌀43 mm in STL format. Total length of this junction is 149 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends are rounded on the outside to make tube connection easier.
Generation date: 2026-04-15
3D Model Tube adapter STL 3D file ⌀ 70–43 mm (Length: 149 mm)

3D model download

Free
  • inline-tube-adapter-lenA50mm-d_model8464-nb0_dd{id}.stl : 4.3 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 50 mm (≃1.97 in)
#2 side A outer diameter 70 mm (≃2 3/4 in)
#3 side A thickness 5 mm (≃3/16 in)
#4 side B length 50 mm (≃1.97 in)
#5 side B outer diameter 43 mm (≃1 11/16 in)
#6 side B thickness 5 mm (≃3/16 in)
#7 transition length 49 mm (≃1 15/16 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 60 mm (≃2 3/8 in)
inner diameter (side B) 33 mm (≃1 5/16 in)
total length 149 mm (≃5 7/8 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

Related 3D models

To search for a model based on your own parameters, go to the template page Inline tube adapter 

Tubing adapter STL 3D file ⌀ 68–36 mm (Length: 140 mm) (📦 #6595)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 68–36 mm (Length: 140 mm)
Tube coupler ⌀68 mm to ⌀36 mm in STL format. Total length of this sleeve is 140 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 40 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 68 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 36 mm
side B thickness 4 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 40–37 mm (Length: 118 mm) (📦 #4474)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 40–37 mm (Length: 118 mm)
Diameter adapter ⌀40 mm to ⌀37 mm in STL 3D format. Length of this fitting is 118 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 38 mm, the smaller one of 40 mm. The ends have no fillet.
Parameter Value Unit
side A length 38 mm
side A outer diameter 40 mm
side A thickness 5 mm
side B length 40 mm
side B outer diameter 37 mm
side B thickness 5 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 70–49 mm (Length: 110 mm) (📦 #4299)

1 object(s) - format STL
Tubing adapter STL file ⌀ 70–49 mm (Length: 110 mm)
Tube junction ⌀70 mm to ⌀49 mm in STL 3D format. Final length of this adapter is 110 mm. The larger-diameter tube has a thickness of 5 mm and a sleeve length of 50 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 40 mm. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 50 mm
side A outer diameter 70 mm
side A thickness 5 mm
side B length 40 mm
side B outer diameter 49 mm
side B thickness 4 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 86–49 mm (Length: 125 mm) (📦 #9322)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 86–49 mm (Length: 125 mm)
Inline tube reducer ⌀86 mm to ⌀49 mm in STL 3D format. Length of this adapter is 125 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 40 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 86 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 49 mm
side B thickness 4 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 65–49 mm (Length: 115 mm) (📦 #8517)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 65–49 mm (Length: 115 mm)
Tube reducer ⌀65 mm to ⌀49 mm in STL 3D format. Final length of this reducer is 115 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 40 mm as well. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 65 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 49 mm
side B thickness 4 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 94–54 mm (Length: 120 mm) (📦 #5858)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 94–54 mm (Length: 120 mm)
Tube connector ⌀94 mm to ⌀54 mm in STL format. Total length of this connector is 120 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 40 mm as well. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 94 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 54 mm
side B thickness 4 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 102–58 mm (Length: 120 mm) (📦 #5860)

1 object(s) - format STL
Tubing adapter STL file ⌀ 102–58 mm (Length: 120 mm)
Tube adapter ⌀102 mm to ⌀58 mm in STL format. Total length of this connector is 120 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 40 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 102 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 58 mm
side B thickness 4 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 50–45 mm (Length: 90 mm) (📦 #1918)

1 object(s) - format STL
Tube adapter STL file ⌀ 50–45 mm (Length: 90 mm)
Straight tube coupler ⌀50 mm to ⌀45 mm in STL 3D format. Length of this adapter is 90 mm. The thickness of the tubes is identical: 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 50 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 45 mm
side B thickness 5 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 44–40 mm (Length: 95 mm) (📦 #9512)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 44–40 mm (Length: 95 mm)
Tube junction ⌀44 mm to ⌀40 mm in STL format. Final length of this junction is 95 mm. The thickness of the tubes is identical: 4 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 on the outside to ease the connection.
Parameter Value Unit
side A length 40 mm
side A outer diameter 44 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 40 mm
side B thickness 4 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 120–32 mm (Length: 109 mm) (📦 #9117)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 120–32 mm (Length: 109 mm)
Tube reducer ⌀120 mm to ⌀32 mm in STL format. Total length of this adapter is 109 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a sleeve length of 29 mm, the smaller one of 30 mm. The ends feature an internal fillet.
Parameter Value Unit
side A length 29 mm
side A outer diameter 120 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 32 mm
side B thickness 5 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 75–66 mm (Length: 120 mm) (📦 #3926)

1 object(s) - format STL
Tube adapter STL file ⌀ 75–66 mm (Length: 120 mm)
Tube adapter ⌀75 mm to ⌀66 mm in STL 3D format. Length of this connector is 120 mm. The larger-diameter tube has a thickness of 4 mm and a length of 40 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 40 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 75 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 66 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 50–40 mm (Length: 108 mm) (📦 #2978)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 50–40 mm (Length: 108 mm)
Straight tube reducer ⌀50 mm to ⌀40 mm in STL 3D format. Total length of this coupler is 108 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 60 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 50 mm
side A thickness 5 mm
side B length 60 mm
side B outer diameter 40 mm
side B thickness 5 mm
transition length 18 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 80–40 mm (Length: 80 mm) (📦 #4711)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–40 mm (Length: 80 mm)
Tube connector ⌀80 mm to ⌀40 mm in STL format. Length of this adapter is 80 mm. The thickness of the tubes is identical: 5 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 80 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 40 mm
side B thickness 5 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 95–93 mm (Length: 115 mm) (📦 #8704)

1 object(s) - format STL
Tube adapter STL file ⌀ 95–93 mm (Length: 115 mm)
Inline tube adapter ⌀95 mm to ⌀93 mm in STL 3D format. Total length of this sleeve is 115 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 35 mm, the smaller one of 40 mm. The ends feature an internal fillet to make tube connection easier.
Parameter Value Unit
side A length 35 mm
side A outer diameter 95 mm
side A thickness 5 mm
side B length 40 mm
side B outer diameter 93 mm
side B thickness 5 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 60–45 mm (Length: 100 mm) (📦 #1228)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–45 mm (Length: 100 mm)
Straight tube fitting ⌀60 mm to ⌀45 mm in STL format. Final length of this adapter is 100 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 60 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 45 mm
side B thickness 4 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 42–29 mm (Length: 85 mm) (📦 #8231)

1 object(s) - format STL
Tubing adapter STL file ⌀ 42–29 mm (Length: 85 mm)
Diameter adapter ⌀42 mm to ⌀29 mm in STL 3D format. Total length of this junction is 85 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 35 mm
side A outer diameter 42 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 29 mm
side B thickness 5 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 110–95 mm (Length: 110 mm) (📦 #8059)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 110–95 mm (Length: 110 mm)
Tube junction ⌀110 mm to ⌀95 mm in STL format. Total length of this sleeve is 110 mm. The thickness of the tubes is identical: 5 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 on the outside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 110 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 95 mm
side B thickness 5 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 96–59 mm (Length: 120 mm) (📦 #4297)

1 object(s) - format STL
Tubing adapter STL file ⌀ 96–59 mm (Length: 120 mm)
Inline fitting ⌀96 mm to ⌀59 mm in STL 3D format. Final length of this sleeve is 120 mm. The larger-diameter tube has a thickness of 4 mm and a sleeve length of 60 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 40 mm. The ends have a fillet on the outside to make tube connection easier.
Parameter Value Unit
side A length 60 mm
side A outer diameter 96 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 59 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 39–24 mm (Length: 100 mm) (📦 #9339)

1 object(s) - format STL
Tubing adapter STL file ⌀ 39–24 mm (Length: 100 mm)
Straight tube coupler ⌀39 mm to ⌀24 mm in STL format. Final length of this coupler is 100 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 40 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 39 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 24 mm
side B thickness 4 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 32–17 mm (Length: 123 mm) (📦 #9493)

1 object(s) - format STL
Tubing adapter STL file ⌀ 32–17 mm (Length: 123 mm)
Straight tubing adapter ⌀32 mm to ⌀17 mm in STL 3D format. Final length of this reducer is 123 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 55 mm, the smaller one of 53 mm. The ends are not rounded.
Parameter Value Unit
side A length 55 mm
side A outer diameter 32 mm
side A thickness 5 mm
side B length 53 mm
side B outer diameter 17 mm
side B thickness 5 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 115–80 mm (Length: 100 mm) (📦 #8636)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 115–80 mm (Length: 100 mm)
Straight tubing adapter ⌀115 mm to ⌀80 mm in STL format. Length of this adapter is 100 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 35 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 35 mm
side A outer diameter 115 mm
side A thickness 5 mm
side B length 35 mm
side B outer diameter 80 mm
side B thickness 5 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 105–90 mm (Length: 115 mm) (📦 #6125)

1 object(s) - format STL
Tubing adapter STL file ⌀ 105–90 mm (Length: 115 mm)
Tube junction ⌀105 mm to ⌀90 mm in STL 3D format. Total length of this coupler is 115 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 50 mm. The axes of the tubes are offset by 7.4 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 105 mm
side A thickness 5 mm
side B length 50 mm
side B outer diameter 90 mm
side B thickness 5 mm
transition length 40 mm
axis offset 7.4 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 64–40 mm (Length: 80 mm) (📦 #6473)

1 object(s) - format STL
Tube adapter STL file ⌀ 64–40 mm (Length: 80 mm)
Inline tube junction ⌀64 mm to ⌀40 mm in STL 3D format. Final length of this adapter is 80 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve 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 64 mm
side A thickness 4 mm
side B length 25 mm
side B outer diameter 40 mm
side B thickness 4 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 100–57 mm (Length: 100 mm) (📦 #6082)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–57 mm (Length: 100 mm)
Inline fitting ⌀100 mm to ⌀57 mm in STL format. Final length of this adapter is 100 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 30 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 100 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 57 mm
side B thickness 4 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 135–100 mm (Length: 140 mm) (📦 #1463)

1 object(s) - format STL
Tube adapter STL file ⌀ 135–100 mm (Length: 140 mm)
Tube adapter ⌀135 mm to ⌀100 mm in STL 3D format. Length of this coupler is 140 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 50 mm
side A outer diameter 135 mm
side A thickness 5 mm
side B length 50 mm
side B outer diameter 100 mm
side B thickness 5 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 44–42 mm (Length: 105 mm) (📦 #5940)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 44–42 mm (Length: 105 mm)
Tube junction ⌀44 mm to ⌀42 mm in STL format. Final length of this coupler is 105 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 50 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 50 mm
side A outer diameter 44 mm
side A thickness 4 mm
side B length 50 mm
side B outer diameter 42 mm
side B thickness 4 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 43–42 mm (Length: 105 mm) (📦 #6096)

1 object(s) - format STL (1.0/5) 1 vote(s)
Tubing adapter STL file ⌀ 43–42 mm (Length: 105 mm)
Inline sleeve ⌀43 mm to ⌀42 mm in STL 3D format. Length of this junction is 105 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends feature an external fillet to ease the connection.
Parameter Value Unit
side A length 50 mm
side A outer diameter 43 mm
side A thickness 4 mm
side B length 50 mm
side B outer diameter 42 mm
side B thickness 4 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...