Custom Tube adapter STL 3D file ⌀ 102–67 mm (Length: 78 mm) 📦#3312

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Diameter adapter ⌀102 mm to ⌀67 mm in STL format. Length of this connector is 78 mm. The larger-diameter tube has a thickness of 2.6 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 20 mm. The axes of the tubes are offset by 15 mm. The ends feature a fillet.
Generation date: 2025-11-15
3D Model Tube adapter STL 3D file ⌀ 102–67 mm (Length: 78 mm)

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  • inline-tube-adapter-lenA30mm-d_model3312-nb0_dd{id}.stl : 13 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 102 mm (≃4.02 in)
#3 side A thickness 2.6 mm (≃0.10 in)
#4 side B length 20 mm (≃0.79 in)
#5 side B outer diameter 67 mm (≃2 5/8 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 28 mm (≃1.10 in)
#8 axis offset 15 mm (≃0.59 in)
#9 ends fillet fillet on both inside
and outside
Metadata Value
inner diameter (side A) 96.8 mm (≃3 13/16 in)
inner diameter (side B) 63 mm (≃2.48 in)
total length 78 mm (≃3 1/16 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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To search for a model based on your own parameters, go to the template page Inline tube adapter 

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Parameter Value Unit
side A length 25 mm
side A outer diameter 74 mm
side A thickness 3 mm
side B length 25 mm
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side B thickness 3 mm
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Parameter Value Unit
side A length 25 mm
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side B thickness 3 mm
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Parameter Value Unit
side A length 30 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 30 mm
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side B thickness 2 mm
transition length 40 mm
axis offset 5 mm
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Parameter Value Unit
side A length 25 mm
side A outer diameter 74 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 57 mm
side B thickness 3 mm
transition length 5 mm
axis offset 8 mm
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Parameter Value Unit
side A length 30 mm
side A outer diameter 54 mm
side A thickness 2 mm
side B length 30 mm
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side B thickness 2 mm
transition length 30 mm
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Parameter Value Unit
side A length 30 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 30 mm
axis offset 24.9 mm
ends fillet fillet on th...
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Parameter Value Unit
side A length 30 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 30 mm
axis offset 25.4 mm
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Parameter Value Unit
side A length 30 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 30 mm
axis offset 26 mm
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Parameter Value Unit
side A length 40 mm
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side A thickness 2.5 mm
side B length 20 mm
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side B thickness 2.5 mm
transition length 40 mm
axis offset 25.4 mm
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Parameter Value Unit
side A length 30 mm
side A outer diameter 104 mm
side A thickness 2 mm
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side B outer diameter 50 mm
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Parameter Value Unit
side A length 40 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 60 mm
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side B thickness 2 mm
transition length 50 mm
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Parameter Value Unit
side A length 22 mm
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side A thickness 2.4 mm
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side B thickness 4 mm
transition length 10 mm
axis offset 5 mm
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Parameter Value Unit
side A length 30 mm
side A outer diameter 78 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...
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Parameter Value Unit
side A length 30 mm
side A outer diameter 102 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 79 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...
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Parameter Value Unit
side A length 20 mm
side A outer diameter 104 mm
side A thickness 2.4 mm
side B length 35 mm
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side B thickness 2.1 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on bo...
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Parameter Value Unit
side A length 30 mm
side A outer diameter 96 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 79 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...
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Parameter Value Unit
side A length 30 mm
side A outer diameter 70 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 34 mm
side B thickness 3 mm
transition length 20 mm
axis offset 3 mm
ends fillet fillet on bo...
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Parameter Value Unit
side A length 20 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 65 mm
side B thickness 2.1 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on bo...
Tube fitting ⌀96 mm to ⌀79 mm in STL format. Total length of this connector is 100 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 rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 96 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 79 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on bo...
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Parameter Value Unit
side A length 30 mm
side A outer diameter 96 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on bo...
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Parameter Value Unit
side A length 30 mm
side A outer diameter 149.6 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 99.6 mm
side B thickness 4 mm
transition length 20 mm
axis offset 20 mm
ends fillet fillet on bo...
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...
Inline fitting ⌀100 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 30 mm, the smaller one of 30 mm as well. The ends have a fillet to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on bo...
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Parameter Value Unit
side A length 15 mm
side A outer diameter 110 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 50 mm
axis offset 2 mm
ends fillet fillet on bo...
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...
Inline tube reducer ⌀80 mm to ⌀50 mm in STL format. Total length of this coupler 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 feature a fillet to make tube connection easier.
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 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...
Diameter adapter ⌀105 mm to ⌀56 mm in STL 3D format. Total length of this reducer is 100 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 35 mm as well. The ends have a fillet to ease the connection.
Parameter Value Unit
side A length 35 mm
side A outer diameter 105 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 56 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on bo...
Straight tubing adapter ⌀106 mm to ⌀56 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 length of 35 mm, the smaller one of 35 mm as well. The ends have a fillet.
Parameter Value Unit
side A length 35 mm
side A outer diameter 106 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 56 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on bo...
Tubing reducer ⌀98 mm to ⌀80 mm in STL format. Total length of this adapter is 98 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 28 mm. The ends are rounded to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 98 mm
side A thickness 3 mm
side B length 28 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on bo...