Custom Tubing adapter STL 3D file ⌀ 78–43 mm (Length: 120 mm) 📦#7592

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Straight tubing adapter ⌀78 mm to ⌀43 mm in STL format. Final length of this junction is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 35 mm as well. The ends have no fillet.
Generation date: 2026-03-04
3D Model Tubing adapter STL 3D file ⌀ 78–43 mm (Length: 120 mm)

3D model download

Free
  • inline-tube-adapter-lenA35mm-d_model7592-nb0_dd{id}.stl : 1.2 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 35 mm (≃1 3/8 in)
#2 side A outer diameter 78 mm (≃3 1/16 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 35 mm (≃1 3/8 in)
#5 side B outer diameter 43 mm (≃1 11/16 in)
#6 side B thickness 3 mm (≃1/8 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) 72 mm (≃2.83 in)
inner diameter (side B) 37 mm (≃1.46 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 file ⌀ 60–35 mm (Length: 110 mm) (📦 #8156)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–35 mm (Length: 110 mm)
Tube junction ⌀60 mm to ⌀35 mm in STL format. Total length of this reducer is 110 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 have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 30 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 ⌀ 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

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 3D file ⌀ 88–58 mm (Length: 90 mm) (📦 #8168)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 88–58 mm (Length: 90 mm)
Tube adapter ⌀88 mm to ⌀58 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 25 mm, the smaller one of 25 mm as well. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 88 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 58 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 98–63 mm (Length: 110 mm) (📦 #8219)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 98–63 mm (Length: 110 mm)
Inline tube adapter ⌀98 mm to ⌀63 mm in STL 3D format. Total length of this connector is 110 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 98 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 63 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 78–43 mm (Length: 120 mm) (📦 #7593)

1 object(s) - format STL
Tube adapter STL file ⌀ 78–43 mm (Length: 120 mm)
Tubing reducer ⌀78 mm to ⌀43 mm in STL 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 35 mm, the smaller one of 35 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 35 mm
side A outer diameter 78 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 43 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 75–51 mm (Length: 90 mm) (📦 #8819)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 75–51 mm (Length: 90 mm)
Inline tube reducer ⌀75 mm to ⌀51 mm in STL format. Total length of this reducer 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 have no fillet.
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 51 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 69–51 mm (Length: 90 mm) (📦 #8686)

1 object(s) - format STL
Tube adapter STL file ⌀ 69–51 mm (Length: 90 mm)
Inline sleeve ⌀69 mm to ⌀51 mm in STL format. Final length of this junction 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 69 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 51 mm
side B thickness 3 mm
transition length 30 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

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

Tubing adapter STL file ⌀ 100–38 mm (Length: 110 mm) (📦 #7444)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–38 mm (Length: 110 mm)
Straight tube connector ⌀100 mm to ⌀38 mm in STL format. Total length of this reducer is 110 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 have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 38 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 75–66 mm (Length: 120 mm) (📦 #3926)

1 object(s) - format STL
Tube adapter STL file ⌀ 75–66 mm (Length: 120 mm)
Tube adapter ⌀75 mm to ⌀66 mm in STL 3D format. Length of this connector is 120 mm. The larger-diameter tube has a thickness of 4 mm and a length of 40 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 40 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 75 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 66 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 109–42 mm (Length: 150 mm) (📦 #7591)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 109–42 mm (Length: 150 mm)
Straight tube reducer ⌀109 mm to ⌀42 mm in STL 3D format. Length of this adapter is 150 mm. The thickness of the tubes is identical: 3 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 109 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 42 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 109–45 mm (Length: 150 mm) (📦 #7573)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 109–45 mm (Length: 150 mm)
Tubing adapter ⌀109 mm to ⌀45 mm in STL 3D format. Total length of this coupler is 150 mm. The thickness of the tubes is identical: 3 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 109 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 45 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 100–69 mm (Length: 130 mm) (📦 #5510)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 100–69 mm (Length: 130 mm)
Straight tube reducer ⌀100 mm to ⌀69 mm in STL 3D format. Final length of this fitting is 130 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 30 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 30 mm
side B outer diameter 69 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 81–66 mm (Length: 90 mm) (📦 #8236)

1 object(s) - format STL
Tubing adapter STL file ⌀ 81–66 mm (Length: 90 mm)
Inline tube junction ⌀81 mm to ⌀66 mm in STL 3D format. Total length of this adapter 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 raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 81 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 66 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 94–54 mm (Length: 120 mm) (📦 #5858)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 94–54 mm (Length: 120 mm)
Tube connector ⌀94 mm to ⌀54 mm in STL format. Total length of this connector is 120 mm. The thickness of the tubes is identical: 4 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 94 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 54 mm
side B thickness 4 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 113–40 mm (Length: 85 mm) (📦 #2550)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 113–40 mm (Length: 85 mm)
Tube junction ⌀113 mm to ⌀40 mm in STL format. Total length of this reducer is 85 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 20 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 113 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 40 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 68–36 mm (Length: 140 mm) (📦 #6595)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 68–36 mm (Length: 140 mm)
Tube coupler ⌀68 mm to ⌀36 mm in STL format. Total length of this sleeve is 140 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 40 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 68 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 36 mm
side B thickness 4 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 81–67 mm (Length: 90 mm) (📦 #8239)

1 object(s) - format STL
Tube adapter STL file ⌀ 81–67 mm (Length: 90 mm)
Straight tube adapter ⌀81 mm to ⌀67 mm in STL 3D format. Total length of this junction 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 81 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 67 mm
side B thickness 3 mm
transition length 30 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 ⌀ 72–61 mm (Length: 80 mm) (📦 #8222)

1 object(s) - format STL
Tube adapter STL file ⌀ 72–61 mm (Length: 80 mm)
Tubing adapter ⌀72 mm to ⌀61 mm in STL 3D format. Final length of this sleeve is 80 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 25 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 72 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 61 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 110–75 mm (Length: 110 mm) (📦 #6669)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 110–75 mm (Length: 110 mm)
Inline tube coupler ⌀110 mm to ⌀75 mm in STL format. Length of this reducer is 110 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 110 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 97–65 mm (Length: 90 mm) (📦 #2804)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 97–65 mm (Length: 90 mm)
Diameter adapter ⌀97 mm to ⌀65 mm in STL format. Final length of this junction 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 97 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 65 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 65–49 mm (Length: 115 mm) (📦 #8517)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 65–49 mm (Length: 115 mm)
Tube reducer ⌀65 mm to ⌀49 mm in STL 3D format. Final length of this reducer is 115 mm. The thickness of the tubes is identical: 4 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 65 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 49 mm
side B thickness 4 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 96–58 mm (Length: 120 mm) (📦 #8155)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 96–58 mm (Length: 120 mm)
Tubing reducer ⌀96 mm to ⌀58 mm in STL 3D format. Length of this reducer is 120 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 20 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 96 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 58 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 102–58 mm (Length: 120 mm) (📦 #5860)

1 object(s) - format STL
Tubing adapter STL file ⌀ 102–58 mm (Length: 120 mm)
Tube adapter ⌀102 mm to ⌀58 mm in STL format. Total length of this connector is 120 mm. The thickness of the tubes is identical: 4 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 102 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 58 mm
side B thickness 4 mm
transition length 40 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

Tubing adapter STL file ⌀ 97–70 mm (Length: 90 mm) (📦 #2797)

1 object(s) - format STL
Tubing adapter STL file ⌀ 97–70 mm (Length: 90 mm)
Tubing adapter ⌀97 mm to ⌀70 mm in STL 3D format. Total length of this coupler 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 97 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 70 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 82–61 mm (Length: 100 mm) (📦 #1969)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 82–61 mm (Length: 100 mm)
Inline fitting ⌀82 mm to ⌀61 mm in STL format. Total length of this connector is 100 mm. The larger-diameter tube has a thickness of 2 mm and a length of 20 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 20 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 82 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 61 mm
side B thickness 3 mm
transition length 60 mm
axis offset 0 mm
ends fillet no fillet