Custom Tubing adapter STL file ⌀ 146–38 mm (Length: 120 mm) 📦#9280

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Straight tubing adapter ⌀146 mm to ⌀38 mm in STL 3D format. Length of this connector is 120 mm. The larger-diameter tube has a thickness of 3 mm and a length of 35 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 35 mm as well. The ends have no fillet.
Generation date: 2026-06-04
3D Model Tubing adapter STL file ⌀ 146–38 mm (Length: 120 mm)

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  • inline-tube-adapter-lenA35mm-d_model9280-nb0_dd{id}.stl : 11.6 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 35 mm (≃1 3/8 in)
#2 side A outer diameter 146 mm (≃5 3/4 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 38 mm (≃1 1/2 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) 140 mm (≃5 1/2 in)
inner diameter (side B) 34 mm (≃1.34 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 

Tubing adapter STL 3D file ⌀ 150–30 mm (Length: 110 mm) (📦 #4716)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 150–30 mm (Length: 110 mm)
Inline tube reducer ⌀150 mm to ⌀30 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 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 150 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 30 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 151–40 mm (Length: 100 mm) (📦 #9176)

1 object(s) - format STL
Tube adapter STL file ⌀ 151–40 mm (Length: 100 mm)
Inline tube junction ⌀151 mm to ⌀40 mm in STL 3D format. Final length of this fitting is 100 mm. The thickness of the tubes is identical: 2 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 151 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 40 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 150–66 mm (Length: 120 mm) (📦 #6876)

1 object(s) - format STL
Tube adapter STL file ⌀ 150–66 mm (Length: 120 mm)
Straight tube reducer ⌀150 mm to ⌀66 mm in STL format. Length of this fitting is 120 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 150 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 66 mm
side B thickness 2 mm
transition length 40 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 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

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

Tube adapter STL file ⌀ 120–60 mm (Length: 80 mm) (📦 #1842)

1 object(s) - format STL
Tube adapter STL file ⌀ 120–60 mm (Length: 80 mm)
Tube fitting ⌀120 mm to ⌀60 mm in STL format. Total length of this junction is 80 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 120 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 40 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

Tubing adapter STL file ⌀ 160–80 mm (Length: 120 mm) (📦 #9714)

1 object(s) - format STL
Tubing adapter STL file ⌀ 160–80 mm (Length: 120 mm)
Straight tube reducer ⌀160 mm to ⌀80 mm in STL 3D format. Final length of this connector 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 40 mm as well. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 160 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 129–60 mm (Length: 130 mm) (📦 #4678)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 129–60 mm (Length: 130 mm)
Diameter adapter ⌀129 mm to ⌀60 mm in STL 3D format. Length of this reducer is 130 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 60 mm, the smaller one of 30 mm. The ends are raw.
Parameter Value Unit
side A length 60 mm
side A outer diameter 129 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 60 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

Tubing adapter STL file ⌀ 99–49 mm (Length: 150 mm) (📦 #9481)

1 object(s) - format STL
Tubing adapter STL file ⌀ 99–49 mm (Length: 150 mm)
Straight tube connector ⌀99 mm to ⌀49 mm in STL format. Total 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 have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 99 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 49 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 150–75 mm (Length: 150 mm) (📦 #1797)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 150–75 mm (Length: 150 mm)
Straight tube reducer ⌀150 mm to ⌀75 mm in STL format. Total length of this sleeve is 150 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 not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 150 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 180–16 mm (Length: 150 mm) (📦 #1423)

1 object(s) - format STL
Tube adapter STL file ⌀ 180–16 mm (Length: 150 mm)
Straight tube adapter ⌀180 mm to ⌀16 mm in STL format. Final length of this fitting is 150 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve 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 180 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 16 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 180–60 mm (Length: 150 mm) (📦 #1424)

1 object(s) - format STL
Tube adapter STL file ⌀ 180–60 mm (Length: 150 mm)
Straight sleeve ⌀180 mm to ⌀60 mm in STL 3D format. Final length of this junction is 150 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 30 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 180 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 60 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

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

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 78–43 mm (Length: 120 mm)
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.
Parameter Value Unit
side A length 35 mm
side A outer diameter 78 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 43 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

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 file ⌀ 100–30 mm (Length: 120 mm) (📦 #8594)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–30 mm (Length: 120 mm)
Inline fitting ⌀100 mm to ⌀30 mm in STL 3D format. 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 40 mm. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 30 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 120–61 mm (Length: 70 mm) (📦 #8832)

1 object(s) - format STL
Tube adapter STL file ⌀ 120–61 mm (Length: 70 mm)
Diameter adapter ⌀120 mm to ⌀61 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 20 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 120 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 61 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 159–72 mm (Length: 100 mm) (📦 #8276)

1 object(s) - format STL
Tube adapter STL file ⌀ 159–72 mm (Length: 100 mm)
Diameter adapter ⌀159 mm to ⌀72 mm in STL format. Final length of this coupler is 100 mm. The larger-diameter tube has a thickness of 3 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 30 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 159 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 72 mm
side B thickness 4 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 168–80 mm (Length: 140 mm) (📦 #9601)

1 object(s) - format STL
Tubing adapter STL file ⌀ 168–80 mm (Length: 140 mm)
Straight tube coupler ⌀168 mm to ⌀80 mm in STL format. Length of this fitting is 140 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 are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 168 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 60 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 160–80 mm (Length: 90 mm) (📦 #9715)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 160–80 mm (Length: 90 mm)
Straight tube coupler ⌀160 mm to ⌀80 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 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 160 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 160–72 mm (Length: 100 mm) (📦 #8275)

1 object(s) - format STL
Tube adapter STL file ⌀ 160–72 mm (Length: 100 mm)
Straight tubing adapter ⌀160 mm to ⌀72 mm in STL 3D format. Length of this connector is 100 mm. The larger-diameter tube has a thickness of 3 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 30 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 160 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 72 mm
side B thickness 4 mm
transition length 40 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

Tube adapter STL 3D file ⌀ 106–70 mm (Length: 90 mm) (📦 #2795)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 106–70 mm (Length: 90 mm)
Straight tube coupler ⌀106 mm to ⌀70 mm in STL 3D format. Total length of this sleeve 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 106 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 ⌀ 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 ⌀ 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

Tubing adapter STL file ⌀ 110–75 mm (Length: 90 mm) (📦 #6670)

1 object(s) - format STL
Tubing adapter STL file ⌀ 110–75 mm (Length: 90 mm)
Inline tube reducer ⌀110 mm to ⌀75 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 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 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 30 mm
axis offset 0 mm
ends fillet no fillet