Custom Tube adapter STL 3D file ⌀ 81–55 mm (Length: 80 mm) 📦#1440

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Inline sleeve ⌀81 mm to ⌀55 mm in STL 3D format. Final length of this connector is 80 mm. The thickness of the tubes is identical: 2.5 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.
Generation date: 2025-08-27
3D Model Tube adapter STL 3D file ⌀ 81–55 mm (Length: 80 mm)

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  • inline-tube-adapter-lenA25mm-d_model1440-nb0_dd{id}.stl : 6.7 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 25 mm (≃0.98 in)
#2 side A outer diameter 81 mm (≃3 3/16 in)
#3 side A thickness 2.5 mm (≃0.10 in)
#4 side B length 25 mm (≃0.98 in)
#5 side B outer diameter 55 mm (≃2.17 in)
#6 side B thickness 2.5 mm (≃0.10 in)
#7 transition length 30 mm (≃1 3/16 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 76 mm (≃3 in)
inner diameter (side B) 50 mm (≃1.97 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

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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
side A length 20 mm
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Parameter Value Unit
side A length 35 mm
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Parameter Value Unit
side A length 10 mm
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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
side A length 30 mm
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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
side A length 20 mm
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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
side A length 35 mm
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Parameter Value Unit
side A length 20 mm
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side A thickness 3 mm
side B length 20 mm
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axis offset 0 mm
ends fillet fillet on th...
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Parameter Value Unit
side A length 45 mm
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side A thickness 2.5 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 40 mm
axis offset 0 mm
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Parameter Value Unit
side A length 20 mm
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side A thickness 2 mm
side B length 20 mm
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side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...
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Parameter Value Unit
side A length 45 mm
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side A thickness 2.5 mm
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side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 40 mm
axis offset 1 mm
ends fillet fillet on th...
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Parameter Value Unit
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side B thickness 3 mm
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axis offset 0 mm
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Parameter Value Unit
side A length 30 mm
side A outer diameter 60 mm
side A thickness 2 mm
side B length 30 mm
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side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...
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Parameter Value Unit
side A length 30 mm
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side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 20 mm
axis offset 0 mm
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Parameter Value Unit
side A length 25 mm
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side A thickness 3 mm
side B length 25 mm
side B outer diameter 63 mm
side B thickness 3 mm
transition length 25 mm
axis offset 0 mm
ends fillet fillet on th...
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Parameter Value Unit
side A length 30 mm
side A outer diameter 75 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 51 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet
Tube reducer ⌀57 mm to ⌀50 mm in STL 3D format. Final 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 35 mm, the smaller one of 25 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 35 mm
side A outer diameter 57 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...
Inline sleeve ⌀65 mm to ⌀55 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 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 65 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 55 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet
Tube connector ⌀84 mm to ⌀62 mm in STL format. Length of this reducer 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 30 mm as well. The ends are raw.
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 62 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet