Custom Tubing adapter STL 3D file ⌀ 123–79 mm (Length: 80 mm) 📦#12821

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Tube junction ⌀123 mm to ⌀79 mm in STL format. Length of this coupler is 80 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 feature an external fillet to facilitate the connection of the two tubes.
Generation date: 2026-10-21
3D Model Tubing adapter STL 3D file ⌀ 123–79 mm (Length: 80 mm)

3D model download

Free
  • inline-tube-adapter-lenA15mm-d_model12821-nb0_dd{id}.stl : 8.5 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 15 mm (≃0.59 in)
#2 side A outer diameter 123 mm (≃4.84 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 15 mm (≃0.59 in)
#5 side B outer diameter 79 mm (≃3 1/8 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 fillet on the outside
Metadata Value
inner diameter (side A) 119 mm (≃4 11/16 in)
inner diameter (side B) 75 mm (≃2 15/16 in)
total length 80 mm (≃3.15 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 ⌀ 124–100 mm (Length: 95 mm) (📦 #10810)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 124–100 mm (Length: 95 mm)
Tube coupler ⌀124 mm to ⌀100 mm in STL 3D format. Final length of this coupler is 95 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 30 mm. The ends have a fillet on the outside to make tube connection easier.
Parameter Value Unit
side A length 15 mm
side A outer diameter 124 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 81–70 mm (Length: 70 mm) (📦 #5879)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 81–70 mm (Length: 70 mm)
Straight tubing adapter ⌀81 mm to ⌀70 mm in STL 3D format. 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 10 mm, the smaller one of 20 mm. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 81 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 70 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 123–79 mm (Length: 50 mm) (📦 #12820)

1 object(s) - format STL
Tube adapter STL file ⌀ 123–79 mm (Length: 50 mm)
Straight sleeve ⌀123 mm to ⌀79 mm in STL format. Length of this sleeve is 50 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 are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 15 mm
side A outer diameter 123 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 79 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 100–70 mm (Length: 100 mm) (📦 #10625)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–70 mm (Length: 100 mm)
Tube adapter ⌀100 mm to ⌀70 mm in STL format. Final length of this sleeve 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 40 mm. The ends are rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 70 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 105–85 mm (Length: 80 mm) (📦 #6489)

1 object(s) - format STL
Tube adapter STL file ⌀ 105–85 mm (Length: 80 mm)
Straight tubing adapter ⌀105 mm to ⌀85 mm in STL format. Final length of this adapter 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 not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 105 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 85 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 104–84 mm (Length: 80 mm) (📦 #6507)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 104–84 mm (Length: 80 mm)
Inline tube coupler ⌀104 mm to ⌀84 mm in STL format. Final 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 20 mm, the smaller one of 20 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 84 mm
side B thickness 2 mm
transition length 40 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...

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...

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 file ⌀ 150–75 mm (Length: 80 mm) (📦 #1758)

1 object(s) - format STL
Tube adapter STL file ⌀ 150–75 mm (Length: 80 mm)
Inline sleeve ⌀150 mm to ⌀75 mm in STL format. Final length of this fitting 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 20 mm as well. The ends are rounded on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 150 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 75 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 153–80 mm (Length: 90 mm) (📦 #7469)

1 object(s) - format STL
Tube adapter STL file ⌀ 153–80 mm (Length: 90 mm)
Inline tube reducer ⌀153 mm to ⌀80 mm in STL format. Final 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 25 mm, the smaller one of 25 mm as well. The ends are rounded on the outside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 153 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 70–64 mm (Length: 70 mm) (📦 #5794)

1 object(s) - format STL
Tubing adapter STL file ⌀ 70–64 mm (Length: 70 mm)
Straight tube adapter ⌀70 mm to ⌀64 mm in STL 3D format. Length of this connector is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 20 mm. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 10 mm
side A outer diameter 70 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 64 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 69–65 mm (Length: 70 mm) (📦 #8632)

1 object(s) - format STL
Tube adapter STL file ⌀ 69–65 mm (Length: 70 mm)
Straight tube connector ⌀69 mm to ⌀65 mm in STL 3D format. Total length of this fitting is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 20 mm. The ends feature an external fillet to ease the connection.
Parameter Value Unit
side A length 10 mm
side A outer diameter 69 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 128–81 mm (Length: 80 mm) (📦 #7471)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 128–81 mm (Length: 80 mm)
Tubing adapter ⌀128 mm to ⌀81 mm in STL 3D format. Final length of this junction 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 feature an external fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 128 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 81 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 70–60 mm (Length: 70 mm) (📦 #5764)

1 object(s) - format STL
Tubing adapter STL file ⌀ 70–60 mm (Length: 70 mm)
Inline fitting ⌀70 mm to ⌀60 mm in STL format. Length of this sleeve is 70 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 are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 70 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 fillet on th...

Tubing adapter STL 3D file ⌀ 148–101 mm (Length: 94 mm) (📦 #4287)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 148–101 mm (Length: 94 mm)
Tube coupler ⌀148 mm to ⌀101 mm in STL 3D format. Length of this coupler is 94 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 19 mm, the smaller one of 25 mm. The ends have no fillet.
Parameter Value Unit
side A length 19 mm
side A outer diameter 148 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 101 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 120–93 mm (Length: 110 mm) (📦 #3748)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 120–93 mm (Length: 110 mm)
Straight tube connector ⌀120 mm to ⌀93 mm in STL format. Length of this adapter 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 are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 120 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 93 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 144–101 mm (Length: 100 mm) (📦 #4284)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 144–101 mm (Length: 100 mm)
Inline tube reducer ⌀144 mm to ⌀101 mm in STL format. Final 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 30 mm. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 144 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 101 mm
side B thickness 2 mm
transition length 50 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

Tubing adapter STL 3D file ⌀ 112–75 mm (Length: 80 mm) (📦 #6671)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 112–75 mm (Length: 80 mm)
Inline tube coupler ⌀112 mm to ⌀75 mm in STL 3D format. Length of this junction is 80 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 have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 112 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 75 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 122–100 mm (Length: 80 mm) (📦 #10811)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 122–100 mm (Length: 80 mm)
Straight sleeve ⌀122 mm to ⌀100 mm in STL format. Final length of this junction is 80 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 30 mm. The ends are raw.
Parameter Value Unit
side A length 15 mm
side A outer diameter 122 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 2 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 148–101 mm (Length: 100 mm) (📦 #4285)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 148–101 mm (Length: 100 mm)
Tube fitting ⌀148 mm to ⌀101 mm in STL format. Final length of this sleeve 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 30 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 148 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 101 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 149–101 mm (Length: 99 mm) (📦 #4290)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 149–101 mm (Length: 99 mm)
Tubing adapter ⌀149 mm to ⌀101 mm in STL format. Final length of this junction is 99 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 19 mm, the smaller one of 30 mm. The ends are raw.
Parameter Value Unit
side A length 19 mm
side A outer diameter 149 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 101 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 150–101 mm (Length: 99 mm) (📦 #4289)

1 object(s) - format STL
Tubing adapter STL file ⌀ 150–101 mm (Length: 99 mm)
Diameter adapter ⌀150 mm to ⌀101 mm in STL 3D format. Length of this coupler is 99 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 19 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 19 mm
side A outer diameter 150 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 101 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 126–95 mm (Length: 100 mm) (📦 #12240)

1 object(s) - format STL
Tube adapter STL file ⌀ 126–95 mm (Length: 100 mm)
Tube coupler ⌀126 mm to ⌀95 mm in STL format. Final length of this sleeve 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 30 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 126 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 95 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 130–80 mm (Length: 100 mm) (📦 #10456)

1 object(s) - format STL
Tubing adapter STL file ⌀ 130–80 mm (Length: 100 mm)
Straight sleeve ⌀130 mm to ⌀80 mm in STL format. Total length of this connector is 100 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 are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 130 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 2.5 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 115–65 mm (Length: 100 mm) (📦 #3424)

1 object(s) - format STL
Tubing adapter STL file ⌀ 115–65 mm (Length: 100 mm)
Inline tubing adapter ⌀115 mm to ⌀65 mm in STL format. 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 30 mm, the smaller one of 40 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 115 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

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...