Custom Tube adapter STL file ⌀ 81–61 mm (Length: 115 mm) 📦#2666

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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.
Generation date: 2025-10-22
3D Model Tube adapter STL file ⌀ 81–61 mm (Length: 115 mm)

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  • inline-tube-adapter-lenA15mm-d_model2666-nb0_dd{id}.stl : 885.8 Ko
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 15 mm (≃0.59 in)
#2 side A outer diameter 81 mm (≃3 3/16 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 15 mm (≃0.59 in)
#5 side B outer diameter 61 mm (≃2.40 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 85 mm (≃3.35 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 77 mm (≃3.03 in)
inner diameter (side B) 57 mm (≃2 1/4 in)
total length 115 mm (≃4.53 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 ⌀ 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 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 file ⌀ 104–87 mm (Length: 125 mm) (📦 #9390)

1 object(s) - format STL
Tubing adapter STL file ⌀ 104–87 mm (Length: 125 mm)
Straight tube connector ⌀104 mm to ⌀87 mm in STL 3D format. 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 104 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 87 mm
side B thickness 2 mm
transition length 90 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 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

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 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

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 ⌀ 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

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

Tubing adapter STL file ⌀ 127–50 mm (Length: 120 mm) (📦 #9483)

1 object(s) - format STL
Tubing adapter STL file ⌀ 127–50 mm (Length: 120 mm)
Tube coupler ⌀127 mm to ⌀50 mm in STL 3D format. Final length of this adapter is 120 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 rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 127 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 80 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 73–64 mm (Length: 90 mm) (📦 #8635)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 73–64 mm (Length: 90 mm)
Inline tubing adapter ⌀73 mm to ⌀64 mm in STL format. Final length of this connector is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 10 mm, the smaller one of 20 mm. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 73 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 64 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 104–81 mm (Length: 140 mm) (📦 #2656)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 104–81 mm (Length: 140 mm)
Straight tube connector ⌀104 mm to ⌀81 mm in STL 3D format. Length of this fitting is 140 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 5 mm. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 104 mm
side A thickness 3 mm
side B length 5 mm
side B outer diameter 81 mm
side B thickness 3 mm
transition length 95 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 120–100 mm (Length: 152 mm) (📦 #6013)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 120–100 mm (Length: 152 mm)
Inline sleeve ⌀120 mm to ⌀100 mm in STL 3D format. Length of this coupler is 152 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a 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 120 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 100 mm
side B thickness 2 mm
transition length 102 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 ⌀ 36–26 mm (Length: 100 mm) (📦 #7731)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 36–26 mm (Length: 100 mm)
Tubing reducer ⌀36 mm to ⌀26 mm in STL 3D 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 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 36 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 26 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet no fillet

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

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 ⌀ 71–65 mm (Length: 90 mm) (📦 #8649)

1 object(s) - format STL
Tubing adapter STL file ⌀ 71–65 mm (Length: 90 mm)
Straight tube connector ⌀71 mm to ⌀65 mm in STL 3D format. Length of this adapter is 90 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 have a fillet on the outside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 71 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

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

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

Tubing adapter STL 3D file ⌀ 80–60 mm (Length: 70 mm) (📦 #3752)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 80–60 mm (Length: 70 mm)
Inline fitting ⌀80 mm to ⌀60 mm in STL 3D format. Total length of this connector is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 15 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 15 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 15 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 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

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

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 76–30 mm (Length: 170 mm)
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.
Parameter Value Unit
side A length 30 mm
side A outer diameter 76 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 30 mm
side B thickness 3 mm
transition length 90 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 75–50 mm (Length: 100 mm) (📦 #1238)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 75–50 mm (Length: 100 mm)
Tube fitting ⌀75 mm to ⌀50 mm in STL format. Total length of this sleeve is 100 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 axes of the tubes are off-center by 12.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 75 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 60 mm
axis offset 12.4 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 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