Custom Tube adapter STL file ⌀ 86–66 mm (Length: 70 mm) 📦#1990

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Tube fitting ⌀86 mm to ⌀66 mm in STL format. Length of this reducer 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 have no fillet.
Generation date: 2025-09-25
3D Model Tube adapter STL file ⌀ 86–66 mm (Length: 70 mm)

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  • inline-tube-adapter-lenA20mm-d_model1990-nb0_dd{id}.stl : 1.5 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 20 mm (≃0.79 in)
#2 side A outer diameter 86 mm (≃3 3/8 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 20 mm (≃0.79 in)
#5 side B outer diameter 66 mm (≃2.60 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 30 mm (≃1 3/16 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 82 mm (≃3.23 in)
inner diameter (side B) 62 mm (≃2 7/16 in)
total length 70 mm (≃2 3/4 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 

Inline tube coupler ⌀71 mm to ⌀55 mm in STL 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 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 71 mm
side A thickness 2 mm
side B length 20 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 ⌀80 mm to ⌀60 mm in STL 3D format. Final length of this connector 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 80 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Inline tube junction ⌀86 mm to ⌀76 mm in STL format. Length of this connector 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 are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 86 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
Tubing reducer ⌀74 mm to ⌀60 mm in STL 3D format. Total length of this fitting 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 are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 74 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Inline tube coupler ⌀80 mm to ⌀77 mm in STL format. 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 20 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 77 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Tube fitting ⌀77 mm to ⌀65 mm in STL 3D format. Final 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 25 mm, the smaller one of 25 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 77 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Inline tube coupler ⌀77 mm to ⌀69 mm in STL format. Length of this reducer is 70 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 25 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 77 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 69 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Inline fitting ⌀80 mm to ⌀60 mm in STL 3D format. Total length of this connector is 70 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 80 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet
Straight tube reducer ⌀77 mm to ⌀72 mm in STL format. Total length of this coupler is 70 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 25 mm as well. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 77 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 72 mm
side B thickness 2 mm
transition length 20 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
Tube connector ⌀77 mm to ⌀73 mm in STL format. Total length of this coupler is 70 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 are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 77 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 73 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Tubing adapter ⌀77 mm to ⌀70 mm in STL format. Final length of this adapter is 50 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 10 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 77 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 70 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet
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
Straight tube reducer ⌀76 mm to ⌀70 mm in STL 3D format. Length of this sleeve is 50 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 10 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 10 mm
side A outer diameter 76 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 70 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet
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
Inline tube coupler ⌀85 mm to ⌀63 mm in STL format. Total 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 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 85 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 63 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
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
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
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
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 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
Inline tube reducer ⌀104 mm to ⌀63 mm in STL format. Total length of this coupler is 40 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 10 mm as well. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 63 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Inline tubing adapter ⌀70 mm to ⌀49 mm in STL 3D format. Length of this connector 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 30 mm as well. 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 30 mm
side B outer diameter 49 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet
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 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
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
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 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