Custom Tube adapter STL 3D file ⌀ 56–25 mm (Length: 120 mm) 📦#4126

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Inline tube reducer ⌀56 mm to ⌀25 mm in STL format. Total length of this coupler is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 50 mm. The ends are not rounded.
Generation date: 2025-12-01
3D Model Tube adapter STL 3D file ⌀ 56–25 mm (Length: 120 mm)

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  • inline-tube-adapter-lenA40mm-d_model4126-nb0_dd{id}.stl : 2.5 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 40 mm (≃1 9/16 in)
#2 side A outer diameter 56 mm (≃2.20 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 50 mm (≃1.97 in)
#5 side B outer diameter 25 mm (≃0.98 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 30 mm (≃1 3/16 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 50 mm (≃1.97 in)
inner diameter (side B) 19 mm (≃3/4 in)
total length 120 mm (≃4.72 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 

Tube adapter STL 3D file ⌀ 51–38 mm (Length: 100 mm) (📦 #10135)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 51–38 mm (Length: 100 mm)
Straight tubing adapter ⌀51 mm to ⌀38 mm in STL format. Total length of this adapter is 100 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 40 mm as well. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 51 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 38 mm
side B thickness 3 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

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 3D file ⌀ 80–24 mm (Length: 99 mm) (📦 #4128)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 80–24 mm (Length: 99 mm)
Inline tube adapter ⌀80 mm to ⌀24 mm in STL 3D format. Final length of this coupler is 99 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 49 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 49 mm
side B outer diameter 24 mm
side B thickness 3 mm
transition length 20 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 ⌀ 42–30 mm (Length: 90 mm) (📦 #6474)

1 object(s) - format STL
Tube adapter STL file ⌀ 42–30 mm (Length: 90 mm)
Tube connector ⌀42 mm to ⌀30 mm in STL format. Final length of this reducer is 90 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 35 mm. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 42 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 30 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 44–24 mm (Length: 110 mm) (📦 #3008)

1 object(s) - format STL
Tubing adapter STL file ⌀ 44–24 mm (Length: 110 mm)
Inline tube coupler ⌀44 mm to ⌀24 mm in STL 3D format. Total length of this fitting is 110 mm. The thickness of the tubes is identical: 2.1 mm. The larger-diameter tube has a 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 44 mm
side A thickness 2.1 mm
side B length 40 mm
side B outer diameter 24 mm
side B thickness 2.1 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 40–24 mm (Length: 110 mm) (📦 #3009)

1 object(s) - format STL
Tubing adapter STL file ⌀ 40–24 mm (Length: 110 mm)
Straight tube adapter ⌀40 mm to ⌀24 mm in STL 3D format. Total length of this adapter is 110 mm. The thickness of the tubes is identical: 2.1 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 40 mm
side A thickness 2.1 mm
side B length 40 mm
side B outer diameter 24 mm
side B thickness 2.1 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 40–20 mm (Length: 110 mm) (📦 #3010)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 40–20 mm (Length: 110 mm)
Inline fitting ⌀40 mm to ⌀20 mm in STL format. Final length of this reducer is 110 mm. The larger-diameter tube has a thickness of 2 mm and a length of 40 mm. The smaller-diameter tube has a thickness of 2.2 mm and a length of 40 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 40 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 20 mm
side B thickness 2.2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 51–32 mm (Length: 90 mm) (📦 #4605)

1 object(s) - format STL
Tube adapter STL file ⌀ 51–32 mm (Length: 90 mm)
Inline tubing adapter ⌀51 mm to ⌀32 mm in STL 3D format. Length of this junction is 90 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 40 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 51 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 32 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 50–32 mm (Length: 90 mm) (📦 #4381)

1 object(s) - format STL
Tubing adapter STL file ⌀ 50–32 mm (Length: 90 mm)
Tubing adapter ⌀50 mm to ⌀32 mm in STL 3D format. Length of this reducer is 90 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 40 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 50 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 32 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 49–32 mm (Length: 90 mm) (📦 #4378)

1 object(s) - format STL
Tubing adapter STL file ⌀ 49–32 mm (Length: 90 mm)
Straight tube fitting ⌀49 mm to ⌀32 mm in STL 3D format. Length of this reducer is 90 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 40 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 49 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 32 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 47–32 mm (Length: 90 mm) (📦 #4377)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 47–32 mm (Length: 90 mm)
Inline tube junction ⌀47 mm to ⌀32 mm in STL format. Final length of this sleeve is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a 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 47 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 32 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 33–10 mm (Length: 95 mm) (📦 #1522)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 33–10 mm (Length: 95 mm)
Straight tube coupler ⌀33 mm to ⌀10 mm in STL 3D format. Length of this connector is 95 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 50 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 33 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 10 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 46–41 mm (Length: 90 mm) (📦 #1920)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 46–41 mm (Length: 90 mm)
Tube junction ⌀46 mm to ⌀41 mm in STL 3D format. 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 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 46 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 41 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 50–40 mm (Length: 90 mm) (📦 #3871)

1 object(s) - format STL
Tube adapter STL file ⌀ 50–40 mm (Length: 90 mm)
Tube junction ⌀50 mm to ⌀40 mm in STL format. Final length of this coupler is 90 mm. The thickness of the tubes is identical: 3 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 50 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 40 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 40–35 mm (Length: 130 mm) (📦 #1856)

1 object(s) - format STL
Tube adapter STL file ⌀ 40–35 mm (Length: 130 mm)
Inline tube reducer ⌀40 mm to ⌀35 mm in STL 3D format. Length of this adapter is 130 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a 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 40 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 45–10 mm (Length: 97 mm) (📦 #1443)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 45–10 mm (Length: 97 mm)
Inline tube junction ⌀45 mm to ⌀10 mm in STL 3D format. Total length of this fitting is 97 mm. The larger-diameter tube has a thickness of 2.5 mm and a sleeve length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 37 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 45 mm
side A thickness 2.5 mm
side B length 37 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 40–32 mm (Length: 80 mm) (📦 #5043)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 40–32 mm (Length: 80 mm)
Inline tube junction ⌀40 mm to ⌀32 mm in STL format. Final length of this fitting is 80 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 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 40 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 32 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 53–35 mm (Length: 100 mm) (📦 #2985)

1 object(s) - format STL
Tube adapter STL file ⌀ 53–35 mm (Length: 100 mm)
Straight tube fitting ⌀53 mm to ⌀35 mm in STL 3D format. Length of this adapter is 100 mm. The larger-diameter tube has a thickness of 4 mm and a length of 45 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 40 mm. The ends are not rounded.
Parameter Value Unit
side A length 45 mm
side A outer diameter 53 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 57–46 mm (Length: 90 mm) (📦 #8784)

1 object(s) - format STL
Tubing adapter STL file ⌀ 57–46 mm (Length: 90 mm)
Straight tube coupler ⌀57 mm to ⌀46 mm in STL 3D format. Length of this fitting is 90 mm. The thickness of the tubes is identical: 3 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 57 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 46 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 46–38 mm (Length: 80 mm) (📦 #5044)

1 object(s) - format STL
Tubing adapter STL file ⌀ 46–38 mm (Length: 80 mm)
Inline fitting ⌀46 mm to ⌀38 mm in STL 3D format. Final length of this coupler is 80 mm. The thickness of the tubes is identical: 3 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 46 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 38 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 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 ⌀ 38–37 mm (Length: 80 mm) (📦 #7705)

1 object(s) - format STL
Tubing adapter STL file ⌀ 38–37 mm (Length: 80 mm)
Inline tube coupler ⌀38 mm to ⌀37 mm in STL 3D format. Final length of this coupler is 80 mm. The thickness of the tubes is identical: 3 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 38 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 37 mm
side B thickness 3 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

Tube adapter STL 3D file ⌀ 80–30 mm (Length: 80 mm) (📦 #1587)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–30 mm (Length: 80 mm)
Diameter adapter ⌀80 mm to ⌀30 mm in STL 3D format. Total length of this coupler is 80 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 30 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 30 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

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 ⌀ 36–12 mm (Length: 105 mm) (📦 #9491)

1 object(s) - format STL
Tubing adapter STL file ⌀ 36–12 mm (Length: 105 mm)
Tube adapter ⌀36 mm to ⌀12 mm in STL format. Length of this junction is 105 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 have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 36 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet