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

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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.
Generation date: 2025-11-17
3D Model Tubing adapter STL file ⌀ 73–68 mm (Length: 90 mm)

3D model download

Free
  • inline-tube-adapter-lenA30mm-d_model3374-nb0_dd{id}.stl : 1.4 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
No compliance warranty No compliance warranty
(attribution - commercial use allowed)
Safe download

Values for this model

This model was generated by the Inline tube adapter template, with the following values:
Parameter Value
#1 side A length 30 mm (≃1 3/16 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 68 mm (≃2 11/16 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 10 mm (≃0.39 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) 64 mm (≃2.52 in)
total length 90 mm (≃3.54 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 ⌀ 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

Tube adapter STL 3D file ⌀ 55–50 mm (Length: 75 mm) (📦 #2339)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 55–50 mm (Length: 75 mm)
Straight tube coupler ⌀55 mm to ⌀50 mm in STL 3D format. Final length of this sleeve is 75 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 50 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 55 mm
side A thickness 2.5 mm
side B length 50 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 5 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 ⌀ 54–45 mm (Length: 75 mm) (📦 #2338)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 54–45 mm (Length: 75 mm)
Tube fitting ⌀54 mm to ⌀45 mm in STL format. Total length of this reducer is 75 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 50 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 54 mm
side A thickness 2.5 mm
side B length 50 mm
side B outer diameter 45 mm
side B thickness 2.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 45–44 mm (Length: 70 mm) (📦 #3011)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 45–44 mm (Length: 70 mm)
Straight sleeve ⌀45 mm to ⌀44 mm in STL 3D format. Total length of this adapter is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 40 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 45 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 44 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 52–45 mm (Length: 75 mm) (📦 #2154)

1 object(s) - format STL
Tube adapter STL file ⌀ 52–45 mm (Length: 75 mm)
Inline fitting ⌀52 mm to ⌀45 mm in STL 3D format. Length of this connector is 75 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 50 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 52 mm
side A thickness 2.5 mm
side B length 50 mm
side B outer diameter 45 mm
side B thickness 2.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 69–65 mm (Length: 100 mm) (📦 #1393)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 69–65 mm (Length: 100 mm)
Inline tube coupler ⌀69 mm to ⌀65 mm in STL format. Final length of this fitting is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 50 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

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 ⌀ 107–80 mm (Length: 70 mm) (📦 #2919)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 107–80 mm (Length: 70 mm)
Tubing reducer ⌀107 mm to ⌀80 mm in STL format. Length of this connector is 70 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 107 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

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 ⌀ 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 ⌀ 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 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 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

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 file ⌀ 66–40 mm (Length: 75 mm) (📦 #2359)

1 object(s) - format STL
Tube adapter STL file ⌀ 66–40 mm (Length: 75 mm)
Diameter adapter ⌀66 mm to ⌀40 mm in STL format. Total length of this coupler is 75 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 30 mm. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 66 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 40 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 90–80 mm (Length: 48 mm) (📦 #3260)

1 object(s) - format STL
Tube adapter STL file ⌀ 90–80 mm (Length: 48 mm)
Straight tube adapter ⌀90 mm to ⌀80 mm in STL 3D format. Final length of this coupler is 48 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 18 mm, the smaller one of 25 mm. The ends have no fillet.
Parameter Value Unit
side A length 18 mm
side A outer diameter 90 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 90–82 mm (Length: 48 mm) (📦 #3261)

1 object(s) - format STL
Tube adapter STL file ⌀ 90–82 mm (Length: 48 mm)
Inline tube reducer ⌀90 mm to ⌀82 mm in STL 3D format. Length of this sleeve is 48 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 18 mm, the smaller one of 25 mm. The ends have no fillet.
Parameter Value Unit
side A length 18 mm
side A outer diameter 90 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 82 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 103–88 mm (Length: 90 mm) (📦 #2114)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 103–88 mm (Length: 90 mm)
Inline tube junction ⌀103 mm to ⌀88 mm in STL format. Total length of this sleeve 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 have a fillet on the outside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 103 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 88 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 127–78 mm (Length: 85 mm) (📦 #2461)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 127–78 mm (Length: 85 mm)
Inline tube coupler ⌀127 mm to ⌀78 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 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 127 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 64–60 mm (Length: 50 mm) (📦 #3467)

1 object(s) - format STL
Tube adapter STL file ⌀ 64–60 mm (Length: 50 mm)
Tube adapter ⌀64 mm to ⌀60 mm in STL format. Length of this reducer is 50 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 64 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 10 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

Tube adapter STL file ⌀ 66–41 mm (Length: 90 mm) (📦 #1793)

1 object(s) - format STL
Tube adapter STL file ⌀ 66–41 mm (Length: 90 mm)
Straight tube adapter ⌀66 mm to ⌀41 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 40 mm, the smaller one of 45 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 40 mm
side A outer diameter 66 mm
side A thickness 2 mm
side B length 45 mm
side B outer diameter 41 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 102–90 mm (Length: 80 mm) (📦 #1383)

1 object(s) - format STL
Tube adapter STL file ⌀ 102–90 mm (Length: 80 mm)
Straight tube connector ⌀102 mm to ⌀90 mm in STL format. Final length of this sleeve is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 50 mm. The ends feature an external fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 102 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 90 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 80–60 mm (Length: 60 mm) (📦 #1882)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–60 mm (Length: 60 mm)
Tube connector ⌀80 mm to ⌀60 mm in STL 3D format. Final length of this connector is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 20 mm as well. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 20 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 file ⌀ 80–75 mm (Length: 100 mm) (📦 #1220)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–75 mm (Length: 100 mm)
Inline tube coupler ⌀80 mm to ⌀75 mm in STL format. Total length of this adapter is 100 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 45 mm as well. The axes of the tubes are offset by 2.4 mm. The ends have a fillet on the outside to make tube connection easier.
Parameter Value Unit
side A length 45 mm
side A outer diameter 80 mm
side A thickness 2.5 mm
side B length 45 mm
side B outer diameter 75 mm
side B thickness 2.5 mm
transition length 10 mm
axis offset 2.4 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 45–40 mm (Length: 65 mm) (📦 #1942)

1 object(s) - format STL
Tube adapter STL file ⌀ 45–40 mm (Length: 65 mm)
Tube adapter ⌀45 mm to ⌀40 mm in STL format. Total length of this coupler is 65 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 30 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 45 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 40 mm
side B thickness 2.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 75–60 mm (Length: 75 mm) (📦 #2754)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 75–60 mm (Length: 75 mm)
Straight tube coupler ⌀75 mm to ⌀60 mm in STL 3D format. Length of this sleeve is 75 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 75 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 60 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 80–75 mm (Length: 101 mm) (📦 #1219)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–75 mm (Length: 101 mm)
Straight tube adapter ⌀80 mm to ⌀75 mm in STL 3D format. Final length of this reducer is 101 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 46 mm, the smaller one of 45 mm. The axes of the tubes are off-center by 2.4 mm. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 46 mm
side A outer diameter 80 mm
side A thickness 2.5 mm
side B length 45 mm
side B outer diameter 75 mm
side B thickness 2.5 mm
transition length 10 mm
axis offset 2.4 mm
ends fillet fillet on th...