Custom Tubing adapter STL 3D file ⌀ 55–30 mm (Length: 150 mm) 📦#9186

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Tube reducer ⌀55 mm to ⌀30 mm in STL format. Final length of this coupler is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 100 mm. The two axes of the tubes are offset by 12.4 mm. The ends are not rounded.
Generation date: 2026-05-27
3D Model Tubing adapter STL 3D file ⌀ 55–30 mm (Length: 150 mm)

3D model download

Free
  • inline-tube-adapter-lenA40mm-d_model9186-nb0_dd{id}.stl : 7.6 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 40 mm (≃1 9/16 in)
#2 side A outer diameter 55 mm (≃2.17 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 100 mm (≃3 15/16 in)
#5 side B outer diameter 30 mm (≃1 3/16 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 10 mm (≃0.39 in)
#8 axis offset 12.4 mm (≃1/2 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 51 mm (≃2 in)
inner diameter (side B) 26 mm (≃1.02 in)
total length 150 mm (≃5.91 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 ⌀ 79–36 mm (Length: 180 mm) (📦 #9434)

1 object(s) - format STL
Tubing adapter STL file ⌀ 79–36 mm (Length: 180 mm)
Diameter adapter ⌀79 mm to ⌀36 mm in STL 3D format. Final length of this coupler is 180 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 130 mm. The axes of the tubes are offset by 15 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 79 mm
side A thickness 2 mm
side B length 130 mm
side B outer diameter 36 mm
side B thickness 2 mm
transition length 20 mm
axis offset 15 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 44–38 mm (Length: 180 mm) (📦 #6685)

1 object(s) - format STL
Tubing adapter STL file ⌀ 44–38 mm (Length: 180 mm)
Tube coupler ⌀44 mm to ⌀38 mm in STL 3D format. Length of this coupler is 180 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 120 mm. The two axes of the tubes are off-center by 2.9 mm. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 44 mm
side A thickness 2 mm
side B length 120 mm
side B outer diameter 38 mm
side B thickness 2 mm
transition length 20 mm
axis offset 2.9 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 47–28 mm (Length: 180 mm) (📦 #6702)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 47–28 mm (Length: 180 mm)
Tube coupler ⌀47 mm to ⌀28 mm in STL 3D format. Total length of this coupler is 180 mm. The larger-diameter tube has a thickness of 3 mm and a length of 40 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 120 mm. The axes of the tubes are off-center by 2.9 mm. 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 120 mm
side B outer diameter 28 mm
side B thickness 2 mm
transition length 20 mm
axis offset 2.9 mm
ends fillet no fillet

Tube adapter STL file ⌀ 79–36 mm (Length: 176 mm) (📦 #9375)

1 object(s) - format STL
Tube adapter STL file ⌀ 79–36 mm (Length: 176 mm)
Tube connector ⌀79 mm to ⌀36 mm in STL format. Final length of this fitting is 176 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 136 mm. The axes of the tubes are offset by 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 79 mm
side A thickness 2 mm
side B length 136 mm
side B outer diameter 36 mm
side B thickness 2 mm
transition length 10 mm
axis offset 20 mm
ends fillet no fillet

Tube adapter STL file ⌀ 80–77 mm (Length: 150 mm) (📦 #6566)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–77 mm (Length: 150 mm)
Inline sleeve ⌀80 mm to ⌀77 mm in STL format. Total length of this fitting is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 90 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 90 mm
side B outer diameter 77 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 84–81 mm (Length: 150 mm) (📦 #6589)

1 object(s) - format STL
Tubing adapter STL file ⌀ 84–81 mm (Length: 150 mm)
Inline tubing adapter ⌀84 mm to ⌀81 mm in STL 3D format. Total length of this connector 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 90 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 84 mm
side A thickness 2 mm
side B length 90 mm
side B outer diameter 81 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 53–46 mm (Length: 100 mm) (📦 #8995)

1 object(s) - format STL
Tubing adapter STL file ⌀ 53–46 mm (Length: 100 mm)
Tube coupler ⌀53 mm to ⌀46 mm in STL 3D format. Length of this sleeve 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 60 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 53 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 46 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 85–46 mm (Length: 122 mm) (📦 #8911)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 85–46 mm (Length: 122 mm)
Tube adapter ⌀85 mm to ⌀46 mm in STL format. Final length of this fitting is 122 mm. The larger-diameter tube has a thickness of 2.3 mm and a length of 22 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 65 mm. The axes of the tubes are offset by 20 mm. The ends have no fillet.
Parameter Value Unit
side A length 22 mm
side A outer diameter 85 mm
side A thickness 2.3 mm
side B length 65 mm
side B outer diameter 46 mm
side B thickness 3 mm
transition length 35 mm
axis offset 20 mm
ends fillet no fillet

Tube adapter STL file ⌀ 79–36 mm (Length: 186 mm) (📦 #9425)

1 object(s) - format STL
Tube adapter STL file ⌀ 79–36 mm (Length: 186 mm)
Diameter adapter ⌀79 mm to ⌀36 mm in STL format. Final length of this fitting is 186 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 150 mm. The axes of the tubes are offset by 21 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 79 mm
side A thickness 2 mm
side B length 150 mm
side B outer diameter 36 mm
side B thickness 2 mm
transition length 6 mm
axis offset 21 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 46–41 mm (Length: 95 mm) (📦 #8409)

1 object(s) - format STL
Tubing adapter STL file ⌀ 46–41 mm (Length: 95 mm)
Straight sleeve ⌀46 mm to ⌀41 mm in STL 3D format. Final length of this sleeve is 95 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 16 mm, the smaller one of 74 mm. The ends are raw.
Parameter Value Unit
side A length 16 mm
side A outer diameter 46 mm
side A thickness 3 mm
side B length 74 mm
side B outer diameter 41 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 27–21 mm (Length: 137 mm) (📦 #3671)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 27–21 mm (Length: 137 mm)
Straight tube adapter ⌀27 mm to ⌀21 mm in STL 3D format. Length of this fitting is 137 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 31 mm, the smaller one of 71 mm. The ends have no fillet.
Parameter Value Unit
side A length 31 mm
side A outer diameter 27 mm
side A thickness 2 mm
side B length 71 mm
side B outer diameter 21 mm
side B thickness 2 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 25–21 mm (Length: 137 mm) (📦 #3668)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 25–21 mm (Length: 137 mm)
Diameter adapter ⌀25 mm to ⌀21 mm in STL 3D format. Total length of this adapter is 137 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 31 mm, the smaller one of 71 mm. The ends have no fillet.
Parameter Value Unit
side A length 31 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 71 mm
side B outer diameter 21 mm
side B thickness 2 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 33–28 mm (Length: 170 mm) (📦 #7244)

1 object(s) - format STL
Tubing adapter STL file ⌀ 33–28 mm (Length: 170 mm)
Straight sleeve ⌀33 mm to ⌀28 mm in STL format. Length of this reducer is 170 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 80 mm, the smaller one of 80 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 80 mm
side A outer diameter 33 mm
side A thickness 2 mm
side B length 80 mm
side B outer diameter 28 mm
side B thickness 2 mm
transition length 10 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

Tube adapter STL 3D file ⌀ 25–21 mm (Length: 148 mm) (📦 #3662)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 25–21 mm (Length: 148 mm)
Tube junction ⌀25 mm to ⌀21 mm in STL format. Total length of this junction is 148 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 72 mm, the smaller one of 71 mm. The ends have no fillet.
Parameter Value Unit
side A length 72 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 71 mm
side B outer diameter 21 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 48–25 mm (Length: 90 mm) (📦 #6238)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 48–25 mm (Length: 90 mm)
Diameter adapter ⌀48 mm to ⌀25 mm in STL format. Total length of this junction is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 60 mm. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 48 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 15 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

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

Tube adapter STL 3D file ⌀ 60–15 mm (Length: 130 mm) (📦 #8396)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 60–15 mm (Length: 130 mm)
Tube reducer ⌀60 mm to ⌀15 mm in STL 3D format. Length of this adapter is 130 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 60 mm. The axes of the tubes are off-center by 9 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 60 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 50 mm
axis offset 9 mm
ends fillet no fillet

Tube adapter STL file ⌀ 33–24 mm (Length: 110 mm) (📦 #7249)

1 object(s) - format STL
Tube adapter STL file ⌀ 33–24 mm (Length: 110 mm)
Tube reducer ⌀33 mm to ⌀24 mm in STL 3D format. Length of this coupler 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 are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 33 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 24 mm
side B thickness 2 mm
transition length 10 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 file ⌀ 70–42 mm (Length: 87 mm) (📦 #1900)

1 object(s) - format STL
Tube adapter STL file ⌀ 70–42 mm (Length: 87 mm)
Inline fitting ⌀70 mm to ⌀42 mm in STL 3D format. Final length of this reducer is 87 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 27 mm, the smaller one of 40 mm. The axes of the tubes are off-center by 13.8 mm. The ends are raw.
Parameter Value Unit
side A length 27 mm
side A outer diameter 70 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 42 mm
side B thickness 3 mm
transition length 20 mm
axis offset 13.8 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 ⌀ 50–45 mm (Length: 95 mm) (📦 #8082)

1 object(s) - format STL
Tubing adapter STL file ⌀ 50–45 mm (Length: 95 mm)
Inline tube junction ⌀50 mm to ⌀45 mm in STL 3D format. Final length of this connector is 95 mm. The larger-diameter tube has a thickness of 2 mm and a sleeve length of 35 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 50 mm. The ends are not rounded.
Parameter Value Unit
side A length 35 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 45 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 30–25 mm (Length: 120 mm) (📦 #10229)

1 object(s) - format STL
Tube adapter STL file ⌀ 30–25 mm (Length: 120 mm)
Tubing reducer ⌀30 mm to ⌀25 mm in STL 3D format. Length of this connector 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 raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 30 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 25 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 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