Custom Tube adapter STL 3D file ⌀ 76–30 mm (Length: 170 mm) 📦#3914

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Tube coupler ⌀76 mm to ⌀30 mm in STL 3D format. Total length of this coupler is 170 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.
Generation date: 2025-11-27
3D Model Tube adapter STL 3D file ⌀ 76–30 mm (Length: 170 mm)

3D model download

Free
  • inline-tube-adapter-lenA30mm-d_model3914-nb0_dd{id}.stl : 1.4 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 30 mm (≃1 3/16 in)
#2 side A outer diameter 76 mm (≃3 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 50 mm (≃1.97 in)
#5 side B outer diameter 30 mm (≃1 3/16 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 90 mm (≃3.54 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 70 mm (≃2 3/4 in)
inner diameter (side B) 24 mm (≃15/16 in)
total length 170 mm (≃6 11/16 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 ⌀ 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 ⌀ 60–26 mm (Length: 180 mm) (📦 #2655)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–26 mm (Length: 180 mm)
Inline sleeve ⌀60 mm to ⌀26 mm in STL format. Total length of this coupler is 180 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 have a fillet on the outside.
Parameter Value Unit
side A length 40 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 26 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 100–16 mm (Length: 140 mm) (📦 #1341)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–16 mm (Length: 140 mm)
Inline tube coupler ⌀100 mm to ⌀16 mm in STL 3D format. Final length of this sleeve is 140 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 30 mm. The ends are not rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 16 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 104–32 mm (Length: 180 mm) (📦 #7375)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 104–32 mm (Length: 180 mm)
Straight tube coupler ⌀104 mm to ⌀32 mm in STL 3D format. Total length of this adapter is 180 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 104 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 32 mm
side B thickness 2 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 19–18 mm (Length: 190 mm) (📦 #8304)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 19–18 mm (Length: 190 mm)
Inline tube adapter ⌀19 mm to ⌀18 mm in STL format. Total length of this adapter is 190 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 45 mm, the smaller one of 45 mm as well. The ends are raw.
Parameter Value Unit
side A length 45 mm
side A outer diameter 19 mm
side A thickness 3 mm
side B length 45 mm
side B outer diameter 18 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 104–50 mm (Length: 180 mm) (📦 #7378)

1 object(s) - format STL
Tube adapter STL file ⌀ 104–50 mm (Length: 180 mm)
Tube adapter ⌀104 mm to ⌀50 mm in STL format. Length of this fitting is 180 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 104 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–20 mm (Length: 110 mm) (📦 #3343)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–20 mm (Length: 110 mm)
Tube adapter ⌀100 mm to ⌀20 mm in STL format. Final length of this reducer is 110 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 30 mm. The ends are not rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 20 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–16 mm (Length: 110 mm) (📦 #1342)

1 object(s) - format STL (4.7/5) 3 vote(s)
Tube adapter STL 3D file ⌀ 100–16 mm (Length: 110 mm)
Tube fitting ⌀100 mm to ⌀16 mm in STL 3D format. Length of this coupler is 110 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 10 mm, the smaller one of 30 mm. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 100 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

Tubing adapter STL file ⌀ 100–73 mm (Length: 139 mm) (📦 #7102)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–73 mm (Length: 139 mm)
Tube coupler ⌀100 mm to ⌀73 mm in STL 3D format. Length of this reducer is 139 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 100 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 73 mm
side B thickness 3 mm
transition length 79 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 100–34 mm (Length: 115 mm) (📦 #3776)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 100–34 mm (Length: 115 mm)
Straight tube connector ⌀100 mm to ⌀34 mm in STL format. Length of this adapter is 115 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 5 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 5 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 34 mm
side B thickness 2 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–78 mm (Length: 140 mm) (📦 #7116)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–78 mm (Length: 140 mm)
Straight tube coupler ⌀100 mm to ⌀78 mm in STL format. Length of this connector 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 30 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 78 mm
side B thickness 3 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 90–56 mm (Length: 110 mm) (📦 #8151)

1 object(s) - format STL
Tube adapter STL file ⌀ 90–56 mm (Length: 110 mm)
Tube fitting ⌀90 mm to ⌀56 mm in STL format. Final length of this coupler is 110 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a 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 90 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 56 mm
side B thickness 3 mm
transition length 70 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

Tube adapter STL file ⌀ 83–63 mm (Length: 120 mm) (📦 #2665)

1 object(s) - format STL
Tube adapter STL file ⌀ 83–63 mm (Length: 120 mm)
Tubing adapter ⌀83 mm to ⌀63 mm in STL 3D format. Length of this adapter is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 15 mm, the smaller one of 15 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 83 mm
side A thickness 3 mm
side B length 15 mm
side B outer diameter 63 mm
side B thickness 3 mm
transition length 90 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

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 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

Tubing adapter STL 3D file ⌀ 100–24 mm (Length: 105 mm) (📦 #3778)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 100–24 mm (Length: 105 mm)
Straight tube connector ⌀100 mm to ⌀24 mm in STL 3D format. Total length of this fitting is 105 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 5 mm, the smaller one of 20 mm. The ends are raw.
Parameter Value Unit
side A length 5 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 24 mm
side B thickness 2 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

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 file ⌀ 81–61 mm (Length: 115 mm) (📦 #2666)

1 object(s) - format STL
Tube adapter STL file ⌀ 81–61 mm (Length: 115 mm)
Inline tube coupler ⌀81 mm to ⌀61 mm in STL 3D format. Final length of this coupler is 115 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 15 mm, the smaller one of 15 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 81 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 61 mm
side B thickness 2 mm
transition length 85 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 100–76 mm (Length: 185 mm) (📦 #5456)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–76 mm (Length: 185 mm)
Diameter adapter ⌀100 mm to ⌀76 mm in STL 3D format. Final length of this connector is 185 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 60 mm, the smaller one of 50 mm. The ends are not rounded.
Parameter Value Unit
side A length 60 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 76 mm
side B thickness 3 mm
transition length 75 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 102–61 mm (Length: 125 mm) (📦 #2667)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 102–61 mm (Length: 125 mm)
Inline sleeve ⌀102 mm to ⌀61 mm in STL 3D format. Final length of this junction is 125 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 15 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 102 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 61 mm
side B thickness 2 mm
transition length 90 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 22–18 mm (Length: 140 mm) (📦 #4457)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 22–18 mm (Length: 140 mm)
Straight tube coupler ⌀22 mm to ⌀18 mm in STL 3D format. Length of this sleeve is 140 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 22 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 18 mm
side B thickness 2 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–76 mm (Length: 185 mm) (📦 #5446)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–76 mm (Length: 185 mm)
Tube junction ⌀100 mm to ⌀76 mm in STL format. Total length of this reducer is 185 mm. The larger-diameter tube has a thickness of 3 mm and a length of 60 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 50 mm. The ends are raw.
Parameter Value Unit
side A length 60 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 76 mm
side B thickness 2 mm
transition length 75 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 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