Custom Tube adapter STL file ⌀ 122–81 mm (Length: 67 mm) 📦#9797

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Straight tube connector ⌀122 mm to ⌀81 mm in STL 3D format. Final length of this reducer is 67 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.
Generation date: 2026-07-02
3D Model Tube adapter STL file ⌀ 122–81 mm (Length: 67 mm)

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  • inline-tube-adapter-lenA30mm-d_model9797-nb0_dd{id}.stl : 10.4 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 122 mm (≃4 13/16 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 30 mm (≃1 3/16 in)
#5 side B outer diameter 81 mm (≃3 3/16 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 7 mm (≃0.28 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 118 mm (≃4.65 in)
inner diameter (side B) 77 mm (≃3.03 in)
total length 67 mm (≃2 5/8 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 

Tubing adapter STL 3D file ⌀ 107–80 mm (Length: 70 mm) (📦 #2919)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 107–80 mm (Length: 70 mm)
Tubing reducer ⌀107 mm to ⌀80 mm in STL format. Length of this connector is 70 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 107 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 106–85 mm (Length: 70 mm) (📦 #9393)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 106–85 mm (Length: 70 mm)
Straight sleeve ⌀106 mm to ⌀85 mm in STL format. Final length of this adapter is 70 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 106 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 85 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 127–78 mm (Length: 85 mm) (📦 #2461)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 127–78 mm (Length: 85 mm)
Inline tube coupler ⌀127 mm to ⌀78 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 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 127 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 101–80 mm (Length: 65 mm) (📦 #9465)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 101–80 mm (Length: 65 mm)
Tube junction ⌀101 mm to ⌀80 mm in STL format. Final length of this adapter is 65 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 have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 101 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 102–80 mm (Length: 60 mm) (📦 #9474)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 102–80 mm (Length: 60 mm)
Straight sleeve ⌀102 mm to ⌀80 mm in STL format. Total length of this adapter is 60 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 25 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 25 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 128–98 mm (Length: 71 mm) (📦 #1846)

1 object(s) - format STL
Tube adapter STL file ⌀ 128–98 mm (Length: 71 mm)
Inline tube coupler ⌀128 mm to ⌀98 mm in STL format. Final length of this adapter is 71 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 21 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 128 mm
side A thickness 2 mm
side B length 21 mm
side B outer diameter 98 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 94–90 mm (Length: 80 mm) (📦 #4585)

1 object(s) - format STL
Tubing adapter STL file ⌀ 94–90 mm (Length: 80 mm)
Tubing adapter ⌀94 mm to ⌀90 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 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 94 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 90 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 90–82 mm (Length: 48 mm) (📦 #3261)

1 object(s) - format STL
Tube adapter STL file ⌀ 90–82 mm (Length: 48 mm)
Inline tube reducer ⌀90 mm to ⌀82 mm in STL 3D format. Length of this sleeve is 48 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 18 mm, the smaller one of 25 mm. The ends have no fillet.
Parameter Value Unit
side A length 18 mm
side A outer diameter 90 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 82 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 90–80 mm (Length: 48 mm) (📦 #3260)

1 object(s) - format STL
Tube adapter STL file ⌀ 90–80 mm (Length: 48 mm)
Straight tube adapter ⌀90 mm to ⌀80 mm in STL 3D format. Final length of this coupler is 48 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 18 mm, the smaller one of 25 mm. The ends have no fillet.
Parameter Value Unit
side A length 18 mm
side A outer diameter 90 mm
side A thickness 2 mm
side B length 25 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 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 file ⌀ 120–80 mm (Length: 80 mm) (📦 #9478)

1 object(s) - format STL
Tubing adapter STL file ⌀ 120–80 mm (Length: 80 mm)
Straight tube coupler ⌀120 mm to ⌀80 mm in STL 3D 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 50 mm, the smaller one of 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 120 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 156–98 mm (Length: 75 mm) (📦 #7279)

1 object(s) - format STL
Tubing adapter STL file ⌀ 156–98 mm (Length: 75 mm)
Tube coupler ⌀156 mm to ⌀98 mm in STL format. Final length of this fitting is 75 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 156 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 98 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 126–85 mm (Length: 71 mm) (📦 #5546)

1 object(s) - format STL
Tubing adapter STL file ⌀ 126–85 mm (Length: 71 mm)
Straight tube reducer ⌀126 mm to ⌀85 mm in STL format. Final length of this fitting is 71 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 27 mm, the smaller one of 31 mm. The ends are not rounded.
Parameter Value Unit
side A length 27 mm
side A outer diameter 126 mm
side A thickness 3 mm
side B length 31 mm
side B outer diameter 85 mm
side B thickness 3 mm
transition length 13 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 122–78 mm (Length: 105 mm) (📦 #2459)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 122–78 mm (Length: 105 mm)
Inline tube reducer ⌀122 mm to ⌀78 mm in STL format. Final length of this fitting is 105 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a 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 122 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 127–78 mm (Length: 105 mm) (📦 #2460)

1 object(s) - format STL
Tube adapter STL file ⌀ 127–78 mm (Length: 105 mm)
Tube adapter ⌀127 mm to ⌀78 mm in STL 3D format. Total length of this junction is 105 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 raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 127 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 129–100 mm (Length: 60 mm) (📦 #8954)

1 object(s) - format STL
Tube adapter STL file ⌀ 129–100 mm (Length: 60 mm)
Inline sleeve ⌀129 mm to ⌀100 mm in STL 3D format. Total length of this reducer is 60 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 129 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 100 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 126–91 mm (Length: 71 mm) (📦 #5568)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 126–91 mm (Length: 71 mm)
Diameter adapter ⌀126 mm to ⌀91 mm in STL 3D format. Total length of this sleeve is 71 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 27 mm, the smaller one of 31 mm. The ends have no fillet.
Parameter Value Unit
side A length 27 mm
side A outer diameter 126 mm
side A thickness 3 mm
side B length 31 mm
side B outer diameter 91 mm
side B thickness 3 mm
transition length 13 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 129–78 mm (Length: 105 mm) (📦 #7442)

1 object(s) - format STL
Tube adapter STL file ⌀ 129–78 mm (Length: 105 mm)
Tube adapter ⌀129 mm to ⌀78 mm in STL format. Final length of this fitting is 105 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 129 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 140–75 mm (Length: 65 mm) (📦 #9600)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 140–75 mm (Length: 65 mm)
Straight sleeve ⌀140 mm to ⌀75 mm in STL 3D format. Final length of this fitting is 65 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 140 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 124–102 mm (Length: 60 mm) (📦 #4321)

1 object(s) - format STL
Tubing adapter STL file ⌀ 124–102 mm (Length: 60 mm)
Tubing reducer ⌀124 mm to ⌀102 mm in STL 3D format. Length of this reducer is 60 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 124 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 102 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 123–93 mm (Length: 59 mm) (📦 #6945)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 123–93 mm (Length: 59 mm)
Inline tube junction ⌀123 mm to ⌀93 mm in STL 3D format. Total length of this sleeve is 59 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 24 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 123 mm
side A thickness 3 mm
side B length 24 mm
side B outer diameter 93 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 90–85 mm (Length: 39 mm) (📦 #3259)

1 object(s) - format STL
Tubing adapter STL file ⌀ 90–85 mm (Length: 39 mm)
Tubing adapter ⌀90 mm to ⌀85 mm in STL 3D format. Final length of this junction is 39 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 18 mm, the smaller one of 16 mm. The ends are not rounded.
Parameter Value Unit
side A length 18 mm
side A outer diameter 90 mm
side A thickness 2 mm
side B length 16 mm
side B outer diameter 85 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 123–94 mm (Length: 59 mm) (📦 #6984)

1 object(s) - format STL
Tube adapter STL file ⌀ 123–94 mm (Length: 59 mm)
Tube coupler ⌀123 mm to ⌀94 mm in STL format. Total length of this sleeve is 59 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 24 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 123 mm
side A thickness 3 mm
side B length 24 mm
side B outer diameter 94 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 127–100 mm (Length: 45 mm) (📦 #5943)

1 object(s) - format STL
Tube adapter STL file ⌀ 127–100 mm (Length: 45 mm)
Straight sleeve ⌀127 mm to ⌀100 mm in STL format. Final length of this sleeve is 45 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 20 mm. The ends are raw.
Parameter Value Unit
side A length 15 mm
side A outer diameter 127 mm
side A thickness 2.5 mm
side B length 20 mm
side B outer diameter 100 mm
side B thickness 2.5 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 110–94 mm (Length: 45 mm) (📦 #7355)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 110–94 mm (Length: 45 mm)
Inline sleeve ⌀110 mm to ⌀94 mm in STL format. Length of this junction is 45 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 110 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 94 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 99–96 mm (Length: 60 mm) (📦 #2557)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 99–96 mm (Length: 60 mm)
Inline fitting ⌀99 mm to ⌀96 mm in STL 3D format. Total length of this reducer is 60 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 have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 99 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 96 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet