Custom Tube adapter STL 3D file ⌀ 104–75 mm (Length: 130 mm) 📦#6581

STL Download STL 1
Create a new model expert
from scratch search for a model
Straight tube adapter ⌀104 mm to ⌀75 mm in STL format. Length of this coupler is 130 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 two axes of the tubes are off-center by 11.4 mm. The ends are raw.
Generation date: 2026-01-15
3D Model Tube adapter STL 3D file ⌀ 104–75 mm (Length: 130 mm)

3D model download

Free
  • inline-tube-adapter-lenA40mm-d_model6581-nb0_dd{id}.stl : 2.2 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
No compliance warranty No compliance warranty
(attribution - commercial use allowed)
Safe download
Instant .zip download — no email, no account

Values for this model

This model was generated by the Inline tube adapter template, with the following values:
Parameter Value
#1 side A length 40 mm (≃1 9/16 in)
#2 side A outer diameter 104 mm (≃4.09 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 40 mm (≃1 9/16 in)
#5 side B outer diameter 75 mm (≃2 15/16 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 50 mm (≃1.97 in)
#8 axis offset 11.4 mm (≃7/16 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 98 mm (≃3.86 in)
inner diameter (side B) 69 mm (≃2.72 in)
total length 130 mm (≃5 1/8 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 ⌀ 103–61 mm (Length: 100 mm) (📦 #4667)

1 object(s) - format STL
Tube adapter STL file ⌀ 103–61 mm (Length: 100 mm)
Tube reducer ⌀103 mm to ⌀61 mm in STL 3D format. Length of this connector is 100 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 two axes of the tubes are off-center by 10 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 103 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 61 mm
side B thickness 3 mm
transition length 40 mm
axis offset 10 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 84–54 mm (Length: 100 mm) (📦 #4642)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 84–54 mm (Length: 100 mm)
Inline tubing adapter ⌀84 mm to ⌀54 mm in STL format. Final length of this coupler 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 two axes of the tubes are off-center by 10 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 84 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 54 mm
side B thickness 2 mm
transition length 40 mm
axis offset 10 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 100–80 mm (Length: 140 mm) (📦 #9439)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–80 mm (Length: 140 mm)
Straight tubing adapter ⌀100 mm to ⌀80 mm in STL format. Final length of this coupler is 140 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 two axes of the tubes are offset by 5 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 40 mm
axis offset 5 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 90–68 mm (Length: 90 mm) (📦 #1188)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 90–68 mm (Length: 90 mm)
Tube connector ⌀90 mm to ⌀68 mm in STL 3D format. Final length of this junction is 90 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 two axes of the tubes are offset by 10 mm. The ends are not rounded.
Parameter Value Unit
side A length 15 mm
side A outer diameter 90 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 68 mm
side B thickness 2 mm
transition length 45 mm
axis offset 10 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 104–75 mm (Length: 75 mm) (📦 #6583)

1 object(s) - format STL
Tubing adapter STL file ⌀ 104–75 mm (Length: 75 mm)
Inline tube coupler ⌀104 mm to ⌀75 mm in STL 3D format. Final length of this junction is 75 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 30 mm. The two axes of the tubes are offset by 10.9 mm. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 104 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 20 mm
axis offset 10.9 mm
ends fillet no fillet

Tube adapter STL file ⌀ 85–70 mm (Length: 80 mm) (📦 #1321)

1 object(s) - format STL
Tube adapter STL file ⌀ 85–70 mm (Length: 80 mm)
Straight tube fitting ⌀85 mm to ⌀70 mm in STL 3D format. Length of this sleeve is 80 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 two axes of the tubes are off-center by 7.4 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 85 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 70 mm
side B thickness 3 mm
transition length 20 mm
axis offset 7.4 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 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 3D file ⌀ 94–60 mm (Length: 80 mm) (📦 #1685)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 94–60 mm (Length: 80 mm)
Straight sleeve ⌀94 mm to ⌀60 mm in STL 3D format. Total length of this sleeve 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 two axes of the tubes are offset by 15 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 94 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 15 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 91–50 mm (Length: 109 mm) (📦 #8786)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 91–50 mm (Length: 109 mm)
Inline tube junction ⌀91 mm to ⌀50 mm in STL 3D format. Length of this adapter is 109 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 40 mm as well. The axes of the tubes are off-center by 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 91 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 29 mm
axis offset 20 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 106–89 mm (Length: 80 mm) (📦 #6584)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 106–89 mm (Length: 80 mm)
Tube reducer ⌀106 mm to ⌀89 mm in STL 3D format. Final length of this junction is 80 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 30 mm. The axes of the tubes are off-center by 8.4 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 106 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 89 mm
side B thickness 4 mm
transition length 25 mm
axis offset 8.4 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 3D file ⌀ 95–94 mm (Length: 120 mm) (📦 #4872)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 95–94 mm (Length: 120 mm)
Straight tube fitting ⌀95 mm to ⌀94 mm in STL 3D format. Length of this coupler is 120 mm. The thickness of the tubes is identical: 3 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 95 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 94 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 111–79 mm (Length: 85 mm) (📦 #8022)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 111–79 mm (Length: 85 mm)
Straight sleeve ⌀111 mm to ⌀79 mm in STL 3D format. Length of this fitting is 85 mm. The larger-diameter tube has a thickness of 3 mm and a length of 25 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 20 mm. The two axes of the tubes are off-center by 14.9 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 25 mm
side A outer diameter 111 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 79 mm
side B thickness 2 mm
transition length 40 mm
axis offset 14.9 mm
ends fillet fillet on th...

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 ⌀ 92–71 mm (Length: 90 mm) (📦 #1371)

1 object(s) - format STL
Tube adapter STL file ⌀ 92–71 mm (Length: 90 mm)
Inline sleeve ⌀92 mm to ⌀71 mm in STL 3D format. Total length of this adapter is 90 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 10 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 50 mm. The axes of the tubes are offset by 9.1 mm. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 92 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 71 mm
side B thickness 2 mm
transition length 30 mm
axis offset 9.1 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 103–75 mm (Length: 80 mm) (📦 #6594)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 103–75 mm (Length: 80 mm)
Tube adapter ⌀103 mm to ⌀75 mm in STL format. Total length of this coupler is 80 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 35 mm. The two axes of the tubes are off-center by 13.9 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 103 mm
side A thickness 4 mm
side B length 35 mm
side B outer diameter 75 mm
side B thickness 4 mm
transition length 20 mm
axis offset 13.9 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 80–70 mm (Length: 80 mm) (📦 #1166)

1 object(s) - format STL (4.5/5) 2 vote(s)
Tube adapter STL 3D file ⌀ 80–70 mm (Length: 80 mm)
Straight tube adapter ⌀80 mm to ⌀70 mm in STL format. Total length of this fitting is 80 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 two axes of the tubes are off-center by 4.9 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 70 mm
side B thickness 3 mm
transition length 20 mm
axis offset 4.9 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 103–88 mm (Length: 80 mm) (📦 #6587)

1 object(s) - format STL
Tubing adapter STL file ⌀ 103–88 mm (Length: 80 mm)
Straight tube coupler ⌀103 mm to ⌀88 mm in STL format. Length of this junction is 80 mm. The larger-diameter tube has a thickness of 2 mm and a sleeve length of 25 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 35 mm. The axes of the tubes are off-center by 9.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 103 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 88 mm
side B thickness 4 mm
transition length 20 mm
axis offset 9.4 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 file ⌀ 107–89 mm (Length: 75 mm) (📦 #6151)

1 object(s) - format STL
Tube adapter STL file ⌀ 107–89 mm (Length: 75 mm)
Straight tube adapter ⌀107 mm to ⌀89 mm in STL format. Total length of this reducer is 75 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 30 mm. The axes of the tubes are offset by 8.9 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 107 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 89 mm
side B thickness 4 mm
transition length 20 mm
axis offset 8.9 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 106–89 mm (Length: 75 mm) (📦 #6264)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 106–89 mm (Length: 75 mm)
Inline tubing adapter ⌀106 mm to ⌀89 mm in STL 3D format. Total length of this connector is 75 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 30 mm. The axes of the tubes are off-center by 8.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 106 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 89 mm
side B thickness 4 mm
transition length 20 mm
axis offset 8.4 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 116–74 mm (Length: 85 mm) (📦 #8002)

1 object(s) - format STL
Tubing adapter STL file ⌀ 116–74 mm (Length: 85 mm)
Tube adapter ⌀116 mm to ⌀74 mm in STL 3D format. Final length of this junction is 85 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 20 mm. The two axes of the tubes are offset by 15 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 116 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 74 mm
side B thickness 2 mm
transition length 40 mm
axis offset 15 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 116–79 mm (Length: 85 mm) (📦 #8017)

1 object(s) - format STL
Tube adapter STL file ⌀ 116–79 mm (Length: 85 mm)
Tube adapter ⌀116 mm to ⌀79 mm in STL 3D format. Final length of this reducer is 85 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 20 mm. The two axes of the tubes are offset by 15 mm. The ends feature an external fillet to ease the connection.
Parameter Value Unit
side A length 25 mm
side A outer diameter 116 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 79 mm
side B thickness 2 mm
transition length 40 mm
axis offset 15 mm
ends fillet fillet on th...

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 ⌀ 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

Tubing adapter STL 3D file ⌀ 116–91 mm (Length: 108 mm) (📦 #6136)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 116–91 mm (Length: 108 mm)
Inline tube junction ⌀116 mm to ⌀91 mm in STL 3D format. Final length of this connector is 108 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 58 mm. The axes of the tubes are offset by 12.4 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 116 mm
side A thickness 4 mm
side B length 58 mm
side B outer diameter 91 mm
side B thickness 4 mm
transition length 20 mm
axis offset 12.4 mm
ends fillet no fillet