Custom Tubing adapter STL file ⌀ 78–75 mm (Length: 115 mm) 📦#11045

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Inline tube adapter ⌀78 mm to ⌀75 mm in STL 3D format. Length of this coupler is 115 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 55 mm, the smaller one of 45 mm. The ends are not rounded.
Generation date: 2026-08-18
3D Model Tubing adapter STL file ⌀ 78–75 mm (Length: 115 mm)

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  • inline-tube-adapter-lenA55mm-d_model11045-nb0_dd{id}.stl : 295.4 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 55 mm (≃2.17 in)
#2 side A outer diameter 78 mm (≃3 1/16 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 45 mm (≃1.77 in)
#5 side B outer diameter 75 mm (≃2 15/16 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 15 mm (≃0.59 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 74 mm (≃2.91 in)
inner diameter (side B) 71 mm (≃2.80 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 file ⌀ 80–75 mm (Length: 115 mm) (📦 #1213)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–75 mm (Length: 115 mm)
Straight tube fitting ⌀80 mm to ⌀75 mm in STL 3D format. Final length of this reducer is 115 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 two axes of the tubes are off-center by 2.4 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 75 mm
side B thickness 2 mm
transition length 15 mm
axis offset 2.4 mm
ends fillet no fillet

Tube adapter STL file ⌀ 70–68 mm (Length: 110 mm) (📦 #4281)

1 object(s) - format STL
Tube adapter STL file ⌀ 70–68 mm (Length: 110 mm)
Inline tube adapter ⌀70 mm to ⌀68 mm in STL format. Total 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 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 70 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 68 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 80–60 mm (Length: 120 mm) (📦 #8278)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–60 mm (Length: 120 mm)
Straight tube fitting ⌀80 mm to ⌀60 mm in STL 3D 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 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 80 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–70 mm (Length: 120 mm) (📦 #11367)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–70 mm (Length: 120 mm)
Inline tube reducer ⌀100 mm to ⌀70 mm in STL format. Final length of this sleeve is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 60 mm, the smaller one of 50 mm. The ends are raw.
Parameter Value Unit
side A length 60 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 70 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 100–62 mm (Length: 120 mm) (📦 #11369)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 100–62 mm (Length: 120 mm)
Straight tubing adapter ⌀100 mm to ⌀62 mm in STL 3D format. Final length of this connector is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a 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 2 mm
side B length 50 mm
side B outer diameter 62 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 77–57 mm (Length: 125 mm) (📦 #2313)

1 object(s) - format STL
Tube adapter STL file ⌀ 77–57 mm (Length: 125 mm)
Inline tube junction ⌀77 mm to ⌀57 mm in STL format. Length of this fitting is 125 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 77 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 57 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 98–80 mm (Length: 90 mm) (📦 #3512)

1 object(s) - format STL
Tube adapter STL file ⌀ 98–80 mm (Length: 90 mm)
Tube adapter ⌀98 mm to ⌀80 mm in STL 3D format. Total length of this fitting is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 45 mm, the smaller one of 40 mm. The ends are not rounded.
Parameter Value Unit
side A length 45 mm
side A outer diameter 98 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 99–80 mm (Length: 90 mm) (📦 #3534)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 99–80 mm (Length: 90 mm)
Straight tubing adapter ⌀99 mm to ⌀80 mm in STL format. Final length of this junction is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 40 mm. The ends are raw.
Parameter Value Unit
side A length 45 mm
side A outer diameter 99 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 56–50 mm (Length: 120 mm) (📦 #1493)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL 3D file ⌀ 56–50 mm (Length: 120 mm)
Inline fitting ⌀56 mm to ⌀50 mm in STL format. Length of this adapter 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 50 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 56 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 70–50 mm (Length: 110 mm) (📦 #10827)

1 object(s) - format STL
Tubing adapter STL file ⌀ 70–50 mm (Length: 110 mm)
Straight tubing adapter ⌀70 mm to ⌀50 mm in STL 3D format. Total length of this fitting is 110 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve 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 70 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 85–59 mm (Length: 110 mm) (📦 #7817)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 85–59 mm (Length: 110 mm)
Tube adapter ⌀85 mm to ⌀59 mm in STL format. Length of this fitting is 110 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 not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 85 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 59 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 102–98 mm (Length: 140 mm) (📦 #7049)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 102–98 mm (Length: 140 mm)
Inline tubing adapter ⌀102 mm to ⌀98 mm in STL format. Length of this coupler is 140 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 60 mm, the smaller one of 60 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 60 mm
side A outer diameter 102 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 98 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 85–65 mm (Length: 111 mm) (📦 #1690)

1 object(s) - format STL
Tube adapter STL file ⌀ 85–65 mm (Length: 111 mm)
Inline sleeve ⌀85 mm to ⌀65 mm in STL 3D format. Total length of this reducer is 111 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 45 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 45 mm
side A outer diameter 85 mm
side A thickness 3 mm
side B length 45 mm
side B outer diameter 65 mm
side B thickness 3 mm
transition length 21 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 103–99 mm (Length: 140 mm) (📦 #7048)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 103–99 mm (Length: 140 mm)
Straight tube adapter ⌀103 mm to ⌀99 mm in STL format. Total 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 60 mm, the smaller one of 60 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 60 mm
side A outer diameter 103 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 99 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 73–68 mm (Length: 90 mm) (📦 #3374)

1 object(s) - format STL
Tubing adapter STL file ⌀ 73–68 mm (Length: 90 mm)
Tubing adapter ⌀73 mm to ⌀68 mm in STL format. Length of this coupler is 90 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 50 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 73 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 68 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 63–43 mm (Length: 120 mm) (📦 #5796)

1 object(s) - format STL
Tubing adapter STL file ⌀ 63–43 mm (Length: 120 mm)
Inline tube junction ⌀63 mm to ⌀43 mm in STL 3D format. Length of this junction is 120 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve 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 63 mm
side A thickness 2.5 mm
side B length 50 mm
side B outer diameter 43 mm
side B thickness 2.5 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 102–90 mm (Length: 150 mm) (📦 #1768)

1 object(s) - format STL
Tube adapter STL file ⌀ 102–90 mm (Length: 150 mm)
Diameter adapter ⌀102 mm to ⌀90 mm in STL 3D format. Length of this sleeve is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 70 mm, the smaller one of 50 mm. The ends have no fillet.
Parameter Value Unit
side A length 70 mm
side A outer diameter 102 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 90 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 100–70 mm (Length: 90 mm) (📦 #11309)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–70 mm (Length: 90 mm)
Straight tube adapter ⌀100 mm to ⌀70 mm in STL format. Total length of this adapter is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 60 mm, the smaller one of 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 60 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 70 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 70–62 mm (Length: 100 mm) (📦 #2254)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–62 mm (Length: 100 mm)
Straight tube adapter ⌀70 mm to ⌀62 mm in STL format. Length of this adapter 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 50 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 70 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 62 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 75–67 mm (Length: 85 mm) (📦 #8732)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 75–67 mm (Length: 85 mm)
Inline sleeve ⌀75 mm to ⌀67 mm in STL format. Final length of this junction is 85 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 35 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 75 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 67 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 74–67 mm (Length: 85 mm) (📦 #8728)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 74–67 mm (Length: 85 mm)
Diameter adapter ⌀74 mm to ⌀67 mm in STL 3D format. Total length of this junction is 85 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 35 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 74 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 67 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 74–64 mm (Length: 85 mm) (📦 #8730)

1 object(s) - format STL
Tube adapter STL file ⌀ 74–64 mm (Length: 85 mm)
Tube connector ⌀74 mm to ⌀64 mm in STL 3D format. Total length of this connector is 85 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 35 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 74 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 64 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 78–76 mm (Length: 80 mm) (📦 #9659)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 78–76 mm (Length: 80 mm)
Tube fitting ⌀78 mm to ⌀76 mm in STL 3D format. Total length of this fitting is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 20 mm. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 78 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 76 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 54–53 mm (Length: 85 mm) (📦 #4062)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 54–53 mm (Length: 85 mm)
Inline tube junction ⌀54 mm to ⌀53 mm in STL 3D format. Length of this sleeve is 85 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 54 mm, the smaller one of 26 mm. The ends are raw.
Parameter Value Unit
side A length 54 mm
side A outer diameter 54 mm
side A thickness 2 mm
side B length 26 mm
side B outer diameter 53 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 76–75 mm (Length: 80 mm) (📦 #6528)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 76–75 mm (Length: 80 mm)
Inline tube adapter ⌀76 mm to ⌀75 mm in STL format. Final length of this reducer is 80 mm. The thickness of the tubes is identical: 2 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 76 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 75 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 79–78 mm (Length: 80 mm) (📦 #4587)

1 object(s) - format STL
Tubing adapter STL file ⌀ 79–78 mm (Length: 80 mm)
Tubing reducer ⌀79 mm to ⌀78 mm in STL format. 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 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 79 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet