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

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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.
Generation date: 2025-12-03
3D Model Tubing adapter STL 3D file ⌀ 73–51 mm (Length: 150 mm)

3D model download

Free
  • inline-tube-adapter-lenA50mm-d_model4227-nb0_dd{id}.stl : 1.7 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 73 mm (≃2 7/8 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 50 mm (≃1.97 in)
#5 side B outer diameter 51 mm (≃2 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 50 mm (≃1.97 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 69 mm (≃2.72 in)
inner diameter (side B) 47 mm (≃1.85 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 

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

1 object(s) - format STL
Tube adapter STL file ⌀ 77–57 mm (Length: 125 mm)
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.
Parameter Value Unit
side A length 50 mm
side A outer diameter 77 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 57 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 80–66 mm (Length: 120 mm) (📦 #1998)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–66 mm (Length: 120 mm)
Inline tube reducer ⌀80 mm to ⌀66 mm in STL 3D format. Final length of this sleeve is 120 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 2.5 mm and a length of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 66 mm
side B thickness 2.5 mm
transition length 50 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

Tube adapter STL file ⌀ 77–50 mm (Length: 125 mm) (📦 #1555)

1 object(s) - format STL
Tube adapter STL file ⌀ 77–50 mm (Length: 125 mm)
Tube connector ⌀77 mm to ⌀50 mm in STL format. Total length of this fitting is 125 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 40 mm. The ends are rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 45 mm
side A outer diameter 77 mm
side A thickness 2.5 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 77–50 mm (Length: 125 mm) (📦 #1556)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 77–50 mm (Length: 125 mm)
Inline tube adapter ⌀77 mm to ⌀50 mm in STL 3D format. Length of this sleeve is 125 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 40 mm. The two axes of the tubes are offset by 1 mm. The ends have a fillet on the outside.
Parameter Value Unit
side A length 45 mm
side A outer diameter 77 mm
side A thickness 2.5 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 40 mm
axis offset 1 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 90–50 mm (Length: 130 mm) (📦 #3235)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 90–50 mm (Length: 130 mm)
Inline tube coupler ⌀90 mm to ⌀50 mm in STL 3D format. Total length of this connector is 130 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 40 mm. The two axes of the tubes are offset by 1 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 50 mm
side A outer diameter 90 mm
side A thickness 2.5 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 40 mm
axis offset 1 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 100–60 mm (Length: 180 mm) (📦 #1414)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–60 mm (Length: 180 mm)
Tube junction ⌀100 mm to ⌀60 mm in STL format. Total length of this junction is 180 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 60 mm, the smaller one of 60 mm as well. The ends feature an external fillet.
Parameter Value Unit
side A length 60 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet fillet on th...

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 file ⌀ 77–30 mm (Length: 140 mm) (📦 #3916)

1 object(s) - format STL
Tubing adapter STL file ⌀ 77–30 mm (Length: 140 mm)
Tube fitting ⌀77 mm to ⌀30 mm in STL format. Length of this sleeve is 140 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 77 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 30 mm
side B thickness 3 mm
transition length 60 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 ⌀ 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

Tubing adapter STL file ⌀ 69–46 mm (Length: 85 mm) (📦 #2626)

1 object(s) - format STL
Tubing adapter STL file ⌀ 69–46 mm (Length: 85 mm)
Inline tube coupler ⌀69 mm to ⌀46 mm in STL format. Total length of this adapter 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 not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 46 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 50–46 mm (Length: 90 mm) (📦 #3179)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 50–46 mm (Length: 90 mm)
Diameter adapter ⌀50 mm to ⌀46 mm in STL format. Final length of this coupler is 90 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 not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 46 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 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 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 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 ⌀ 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 ⌀ 56–25 mm (Length: 120 mm) (📦 #4126)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 56–25 mm (Length: 120 mm)
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.
Parameter Value Unit
side A length 40 mm
side A outer diameter 56 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 25 mm
side B thickness 3 mm
transition length 30 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 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 file ⌀ 27–23 mm (Length: 192 mm) (📦 #3896)

1 object(s) - format STL
Tube adapter STL file ⌀ 27–23 mm (Length: 192 mm)
Tube junction ⌀27 mm to ⌀23 mm in STL format. Length of this fitting is 192 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 61 mm, the smaller one of 71 mm. The ends are raw.
Parameter Value Unit
side A length 61 mm
side A outer diameter 27 mm
side A thickness 2 mm
side B length 71 mm
side B outer diameter 23 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 39–33 mm (Length: 90 mm) (📦 #3411)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 39–33 mm (Length: 90 mm)
Straight tube fitting ⌀39 mm to ⌀33 mm in STL format. Total 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 39 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 33 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 65–47 mm (Length: 80 mm) (📦 #3046)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 65–47 mm (Length: 80 mm)
Straight tube fitting ⌀65 mm to ⌀47 mm in STL 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 are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 65 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 47 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 100–71 mm (Length: 190 mm) (📦 #3070)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 100–71 mm (Length: 190 mm)
Tubing reducer ⌀100 mm to ⌀71 mm in STL format. Final length of this fitting is 190 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 70 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 70 mm
side B outer diameter 71 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 80–50 mm (Length: 80 mm) (📦 #1575)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–50 mm (Length: 80 mm)
Tube reducer ⌀80 mm to ⌀50 mm in STL 3D format. Final length of this coupler is 80 mm. The thickness of the tubes is identical: 2.5 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 80 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 80–75 mm (Length: 160 mm) (📦 #3132)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–75 mm (Length: 160 mm)
Straight tube connector ⌀80 mm to ⌀75 mm in STL 3D format. Total length of this adapter is 160 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 70 mm, the smaller one of 60 mm. The ends have no fillet.
Parameter Value Unit
side A length 70 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 60 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 86–75 mm (Length: 160 mm) (📦 #3133)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 86–75 mm (Length: 160 mm)
Straight tubing adapter ⌀86 mm to ⌀75 mm in STL format. Final length of this junction is 160 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 70 mm, the smaller one of 60 mm. The ends have no fillet.
Parameter Value Unit
side A length 70 mm
side A outer diameter 86 mm
side A thickness 3 mm
side B length 60 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 27–23 mm (Length: 162 mm) (📦 #3739)

1 object(s) - format STL
Tube adapter STL file ⌀ 27–23 mm (Length: 162 mm)
Inline tube junction ⌀27 mm to ⌀23 mm in STL format. Length of this junction is 162 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 23 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 122–78 mm (Length: 105 mm) (📦 #2459)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 122–78 mm (Length: 105 mm)
Inline tube reducer ⌀122 mm to ⌀78 mm in STL format. Final length of this fitting is 105 mm. The thickness of the tubes is identical: 2 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 122 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet