Custom Tube adapter STL file ⌀ 77–57 mm (Length: 125 mm) 📦#2313

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Inline tube junction ⌀77 mm to ⌀57 mm in STL format. Length of this fitting is 125 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 50 mm as well. The ends have no fillet.
Generation date: 2025-10-09
3D Model Tube adapter STL file ⌀ 77–57 mm (Length: 125 mm)

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  • inline-tube-adapter-lenA50mm-d_model2313-nb0_dd{id}.stl : 1.4 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 50 mm (≃1.97 in)
#2 side A outer diameter 77 mm (≃3.03 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 50 mm (≃1.97 in)
#5 side B outer diameter 57 mm (≃2 1/4 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 25 mm (≃0.98 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 73 mm (≃2 7/8 in)
inner diameter (side B) 53 mm (≃2.09 in)
total length 125 mm (≃4.92 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 ⌀ 80–60 mm (Length: 120 mm) (📦 #8278)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–60 mm (Length: 120 mm)
Straight tube fitting ⌀80 mm to ⌀60 mm in STL 3D format. Total length of this sleeve is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 50 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 ⌀ 56–50 mm (Length: 120 mm) (📦 #1493)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL 3D file ⌀ 56–50 mm (Length: 120 mm)
Inline fitting ⌀56 mm to ⌀50 mm in STL format. Length of this adapter is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 56 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 85–59 mm (Length: 110 mm) (📦 #7817)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 85–59 mm (Length: 110 mm)
Tube adapter ⌀85 mm to ⌀59 mm in STL format. Length of this fitting is 110 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 are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 85 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 59 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 63–43 mm (Length: 120 mm) (📦 #5796)

1 object(s) - format STL
Tubing adapter STL file ⌀ 63–43 mm (Length: 120 mm)
Inline tube junction ⌀63 mm to ⌀43 mm in STL 3D format. Length of this junction is 120 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 50 mm as well. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 63 mm
side A thickness 2.5 mm
side B length 50 mm
side B outer diameter 43 mm
side B thickness 2.5 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 70–68 mm (Length: 110 mm) (📦 #4281)

1 object(s) - format STL
Tube adapter STL file ⌀ 70–68 mm (Length: 110 mm)
Inline tube adapter ⌀70 mm to ⌀68 mm in STL format. Total length of this adapter is 110 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 50 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 70 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 68 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 80–75 mm (Length: 115 mm) (📦 #1213)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–75 mm (Length: 115 mm)
Straight tube fitting ⌀80 mm to ⌀75 mm in STL 3D format. Final length of this reducer 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 50 mm as well. The two axes of the tubes are off-center by 2.4 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 75 mm
side B thickness 2 mm
transition length 15 mm
axis offset 2.4 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 70–62 mm (Length: 100 mm) (📦 #2254)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–62 mm (Length: 100 mm)
Straight tube adapter ⌀70 mm to ⌀62 mm in STL format. Length of this adapter 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 50 mm. 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 50 mm
side B outer diameter 62 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 85–65 mm (Length: 111 mm) (📦 #1690)

1 object(s) - format STL
Tube adapter STL file ⌀ 85–65 mm (Length: 111 mm)
Inline sleeve ⌀85 mm to ⌀65 mm in STL 3D format. Total length of this reducer is 111 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 45 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 45 mm
side A outer diameter 85 mm
side A thickness 3 mm
side B length 45 mm
side B outer diameter 65 mm
side B thickness 3 mm
transition length 21 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 68–39 mm (Length: 100 mm) (📦 #3160)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 68–39 mm (Length: 100 mm)
Tube junction ⌀68 mm to ⌀39 mm in STL format. Final 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 50 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 68 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 39 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 100–30 mm (Length: 120 mm) (📦 #8594)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–30 mm (Length: 120 mm)
Inline fitting ⌀100 mm to ⌀30 mm in STL 3D format. Length of this coupler is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 40 mm. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 30 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 64–42 mm (Length: 95 mm) (📦 #8094)

1 object(s) - format STL
Tubing adapter STL file ⌀ 64–42 mm (Length: 95 mm)
Straight tube connector ⌀64 mm to ⌀42 mm in STL 3D format. Total length of this junction 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 50 mm. The ends are not rounded.
Parameter Value Unit
side A length 35 mm
side A outer diameter 64 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 42 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 74–64 mm (Length: 85 mm) (📦 #8730)

1 object(s) - format STL
Tube adapter STL file ⌀ 74–64 mm (Length: 85 mm)
Tube connector ⌀74 mm to ⌀64 mm in STL 3D format. Total length of this connector is 85 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 35 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 74 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 64 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 43–31 mm (Length: 120 mm) (📦 #2849)

1 object(s) - format STL
Tube adapter STL file ⌀ 43–31 mm (Length: 120 mm)
Tube adapter ⌀43 mm to ⌀31 mm in STL format. Final length of this coupler is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 43 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 31 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 75–67 mm (Length: 85 mm) (📦 #8732)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 75–67 mm (Length: 85 mm)
Inline sleeve ⌀75 mm to ⌀67 mm in STL format. Final length of this junction is 85 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 35 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 75 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 67 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 74–67 mm (Length: 85 mm) (📦 #8728)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 74–67 mm (Length: 85 mm)
Diameter adapter ⌀74 mm to ⌀67 mm in STL 3D format. Total length of this junction 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 35 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 74 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 67 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 44–40 mm (Length: 110 mm) (📦 #8091)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 44–40 mm (Length: 110 mm)
Tubing adapter ⌀44 mm to ⌀40 mm in STL format. Final length of this junction is 110 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 44 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 40 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 73–68 mm (Length: 90 mm) (📦 #3374)

1 object(s) - format STL
Tubing adapter STL file ⌀ 73–68 mm (Length: 90 mm)
Tubing adapter ⌀73 mm to ⌀68 mm in STL format. Length of this coupler 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 are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 73 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 68 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 73–51 mm (Length: 150 mm) (📦 #4227)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 73–51 mm (Length: 150 mm)
Tube reducer ⌀73 mm to ⌀51 mm in STL format. Length of this coupler is 150 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 50 mm as well. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 73 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 51 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 71–41 mm (Length: 105 mm) (📦 #5071)

1 object(s) - format STL
Tube adapter STL file ⌀ 71–41 mm (Length: 105 mm)
Tube junction ⌀71 mm to ⌀41 mm in STL 3D format. Total length of this reducer is 105 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 45 mm. The two axes of the tubes are off-center by 1 mm. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 71 mm
side A thickness 3 mm
side B length 45 mm
side B outer diameter 41 mm
side B thickness 3 mm
transition length 20 mm
axis offset 1 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 60–30 mm (Length: 140 mm) (📦 #4786)

1 object(s) - format STL
Tubing adapter STL file ⌀ 60–30 mm (Length: 140 mm)
Tube reducer ⌀60 mm to ⌀30 mm in STL 3D format. Total length of this coupler is 140 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 60 mm, the smaller one of 60 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 60 mm
side A outer diameter 60 mm
side A thickness 2.5 mm
side B length 60 mm
side B outer diameter 30 mm
side B thickness 2.5 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 67–41 mm (Length: 105 mm) (📦 #5070)

1 object(s) - format STL
Tubing adapter STL file ⌀ 67–41 mm (Length: 105 mm)
Inline sleeve ⌀67 mm to ⌀41 mm in STL format. Length of this junction is 105 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 45 mm. The two axes of the tubes are offset by 1 mm. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 67 mm
side A thickness 3 mm
side B length 45 mm
side B outer diameter 41 mm
side B thickness 3 mm
transition length 20 mm
axis offset 1 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 88–80 mm (Length: 120 mm) (📦 #8969)

1 object(s) - format STL
Tubing adapter STL file ⌀ 88–80 mm (Length: 120 mm)
Inline fitting ⌀88 mm to ⌀80 mm in STL format. Final 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 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 88 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

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 ⌀ 84–62 mm (Length: 90 mm) (📦 #5680)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 84–62 mm (Length: 90 mm)
Tube connector ⌀84 mm to ⌀62 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 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 84 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 62 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet