Custom Tube adapter STL 3D file ⌀ 200–80 mm (Length: 80 mm) 📦#2966

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Tube adapter ⌀200 mm to ⌀80 mm in STL format. Final length of this connector is 80 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 axes of the tubes are off-center by 50 mm. The ends are raw.
Generation date: 2025-11-02
3D Model Tube adapter STL 3D file ⌀ 200–80 mm (Length: 80 mm)

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  • inline-tube-adapter-lenA30mm-d_model2966-nb0_dd{id}.stl : 12.1 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
No compliance warranty No compliance warranty
(attribution - commercial use allowed)
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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 200 mm (≃7 7/8 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 30 mm (≃1 3/16 in)
#5 side B outer diameter 80 mm (≃3.15 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 20 mm (≃0.79 in)
#8 axis offset 50 mm (≃1.97 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 194 mm (≃7 5/8 in)
inner diameter (side B) 74 mm (≃2.91 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

Related 3D models

To search for a model based on your own parameters, go to the template page Inline tube adapter 

Straight tube connector ⌀200 mm to ⌀98 mm in STL format. Length of this connector is 130 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 50 mm. The two axes of the tubes are off-center by 50 mm. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 200 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 98 mm
side B thickness 2 mm
transition length 40 mm
axis offset 50 mm
ends fillet no fillet
Inline tube reducer ⌀180 mm to ⌀100 mm in STL 3D format. Final length of this fitting is 140 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 50 mm as well. The axes of the tubes are off-center by 39 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 180 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 40 mm
axis offset 39 mm
ends fillet no fillet
Straight tube connector ⌀147 mm to ⌀49.9 mm in STL format. Total length of this connector is 140 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 40 mm. The axes of the tubes are offset by 48 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 147 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 49.9 mm
side B thickness 2 mm
transition length 70 mm
axis offset 48 mm
ends fillet fillet on th...
Inline fitting ⌀190 mm to ⌀125 mm in STL 3D format. Length of this sleeve is 112 mm. The thickness of the tubes is identical: 2.2 mm. The larger-diameter tube has a length of 32 mm, the smaller one of 30 mm. The axes of the tubes are offset by 32 mm. The ends are not rounded.
Parameter Value Unit
side A length 32 mm
side A outer diameter 190 mm
side A thickness 2.2 mm
side B length 30 mm
side B outer diameter 125 mm
side B thickness 2.2 mm
transition length 50 mm
axis offset 32 mm
ends fillet no fillet
Tube coupler ⌀196 mm to ⌀125 mm in STL 3D format. Length of this sleeve is 125 mm. The thickness of the tubes is identical: 2.0 mm. The larger-diameter tube has a length of 35 mm, the smaller one of 30 mm. The two axes of the tubes are offset by 34 mm. The ends are raw.
Parameter Value Unit
side A length 35 mm
side A outer diameter 196 mm
side A thickness 2.0 mm
side B length 30 mm
side B outer diameter 125 mm
side B thickness 2.0 mm
transition length 60 mm
axis offset 34 mm
ends fillet no fillet
Tube reducer ⌀200 mm to ⌀50 mm in STL format. Final length of this reducer is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The two axes of the tubes are off-center by 70 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 200 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 60 mm
axis offset 70 mm
ends fillet no fillet
Inline tube coupler ⌀206 mm to ⌀147 mm in STL format. Total length of this reducer is 105 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 40 mm. The two axes of the tubes are offset by 29 mm. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 206 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 147 mm
side B thickness 3 mm
transition length 40 mm
axis offset 29 mm
ends fillet no fillet
Tubing adapter ⌀155 mm to ⌀90 mm in STL 3D format. Total length of this adapter is 100 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 20 mm. The axes of the tubes are off-center by 25.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 155 mm
side A thickness 4 mm
side B length 20 mm
side B outer diameter 90 mm
side B thickness 4 mm
transition length 40 mm
axis offset 25.4 mm
ends fillet no fillet
Straight tube connector ⌀153 mm to ⌀98 mm in STL format. Total length of this fitting is 130 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 50 mm. The two axes of the tubes are offset by 25 mm. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 153 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 98 mm
side B thickness 2 mm
transition length 40 mm
axis offset 25 mm
ends fillet no fillet
Inline tubing adapter ⌀153 mm to ⌀100 mm in STL format. Length of this reducer is 129 mm. The larger-diameter tube has a thickness of 2 mm and a sleeve length of 30 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 50 mm. The axes of the tubes are offset by 25.4 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 153 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 49 mm
axis offset 25.4 mm
ends fillet no fillet
Tube reducer ⌀120 mm to ⌀56 mm in STL 3D format. Total length of this adapter is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 60 mm. The axes of the tubes are offset by 30 mm. The ends feature an internal fillet to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 120 mm
side A thickness 3 mm
side B length 60 mm
side B outer diameter 56 mm
side B thickness 3 mm
transition length 30 mm
axis offset 30 mm
ends fillet fillet on th...
Straight tube adapter ⌀155 mm to ⌀90 mm in STL 3D format. Length of this coupler is 160 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 60 mm, the smaller one of 40 mm. The two axes of the tubes are offset by 25.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 60 mm
side A outer diameter 155 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 90 mm
side B thickness 3 mm
transition length 60 mm
axis offset 25.4 mm
ends fillet no fillet
Diameter adapter ⌀122 mm to ⌀75 mm in STL 3D format. Final length of this adapter is 30 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 10 mm as well. The axes of the tubes are off-center by 23.4 mm. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 122 mm
side A thickness 3 mm
side B length 10 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 10 mm
axis offset 23.4 mm
ends fillet no fillet
Tube coupler ⌀153 mm to ⌀83 mm in STL format. Final length of this connector is 170 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 50 mm. The axes of the tubes are off-center by 29 mm. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 153 mm
side A thickness 4 mm
side B length 50 mm
side B outer diameter 83 mm
side B thickness 4 mm
transition length 80 mm
axis offset 29 mm
ends fillet no fillet
Straight tube reducer ⌀200 mm to ⌀50 mm in STL 3D format. Final length of this junction is 80 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 axes of the tubes are off-center by 70 mm. The ends are rounded to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 200 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 20 mm
axis offset 70 mm
ends fillet fillet on bo...
Straight tube coupler ⌀155 mm to ⌀90 mm in STL 3D format. Total length of this connector is 160 mm. The larger-diameter tube has a thickness of 4 mm and a length of 60 mm. The smaller-diameter tube has a thickness of 5 mm and a length of 40 mm. The two axes of the tubes are off-center by 25.4 mm. The ends are not rounded.
Parameter Value Unit
side A length 60 mm
side A outer diameter 155 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 90 mm
side B thickness 5 mm
transition length 60 mm
axis offset 25.4 mm
ends fillet no fillet
Straight tube connector ⌀153 mm to ⌀86 mm in STL format. Final length of this sleeve is 160 mm. The larger-diameter tube has a thickness of 4 mm and a sleeve length of 60 mm. The smaller-diameter tube has a thickness of 5 mm and a length of 40 mm. The two axes of the tubes are offset by 25.4 mm. The ends are not rounded.
Parameter Value Unit
side A length 60 mm
side A outer diameter 153 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 86 mm
side B thickness 5 mm
transition length 60 mm
axis offset 25.4 mm
ends fillet no fillet
Straight tube fitting ⌀230 mm to ⌀18 mm in STL format. Final length of this sleeve is 51 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 22 mm, the smaller one of 24 mm. The two axes of the tubes are off-center by 65 mm. The ends feature a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 22 mm
side A outer diameter 230 mm
side A thickness 2 mm
side B length 24 mm
side B outer diameter 18 mm
side B thickness 2 mm
transition length 5 mm
axis offset 65 mm
ends fillet fillet on bo...
Straight tube connector ⌀140 mm to ⌀100 mm in STL format. Total length of this junction is 80 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 30 mm. The two axes of the tubes are offset by 19.9 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 140 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 30 mm
axis offset 19.9 mm
ends fillet no fillet
Inline tube coupler ⌀300 mm to ⌀32 mm in STL 3D format. Length of this fitting is 65 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 15 mm. The two axes of the tubes are offset by 32 mm. The ends have a fillet on the inside to ease the connection.
Parameter Value Unit
side A length 10 mm
side A outer diameter 300 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 32 mm
side B thickness 2 mm
transition length 40 mm
axis offset 32 mm
ends fillet fillet on th...
Tube adapter ⌀161 mm to ⌀122 mm in STL format. Total length of this connector is 90 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 axes of the tubes are off-center by 19.4 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 161 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 122 mm
side B thickness 3 mm
transition length 30 mm
axis offset 19.4 mm
ends fillet no fillet
Straight tube reducer ⌀230 mm to ⌀12 mm in STL 3D format. Length of this adapter is 47 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 24 mm, the smaller one of 18 mm. The two axes of the tubes are offset by 65 mm. The ends have a fillet to make tube connection easier.
Parameter Value Unit
side A length 24 mm
side A outer diameter 230 mm
side A thickness 2 mm
side B length 18 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 5 mm
axis offset 65 mm
ends fillet fillet on bo...
Inline tubing adapter ⌀140 mm to ⌀100 mm in STL 3D format. Final length of this junction is 80 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 30 mm. The two axes of the tubes are offset by 19.9 mm. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 140 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 30 mm
axis offset 19.9 mm
ends fillet fillet on th...
Inline tube reducer ⌀104 mm to ⌀50 mm in STL 3D format. Total length of this adapter 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 25 mm. The two axes of the tubes are off-center by 26.9 mm. The ends are rounded on the inside to facilitate the connection of the two tubes.
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 26.9 mm
ends fillet fillet on th...
Tube adapter ⌀104 mm to ⌀50 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 25 mm. The axes of the tubes are off-center by 26 mm. The ends feature an internal fillet to ease the connection.
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
ends fillet fillet on th...
Diameter adapter ⌀230 mm to ⌀24 mm in STL 3D format. Length of this connector is 52 mm. The larger-diameter tube has a thickness of 3 mm and a length of 23 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 24 mm. The two axes of the tubes are off-center by 70 mm. The ends are rounded.
Parameter Value Unit
side A length 23 mm
side A outer diameter 230 mm
side A thickness 3 mm
side B length 24 mm
side B outer diameter 24 mm
side B thickness 4 mm
transition length 5 mm
axis offset 70 mm
ends fillet fillet on bo...
Diameter adapter ⌀104 mm to ⌀50 mm in STL 3D format. Total 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 30 mm, the smaller one of 25 mm. The two axes of the tubes are offset by 25.4 mm. The ends feature an internal fillet.
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
ends fillet fillet on th...
Tube adapter ⌀100 mm to ⌀56 mm in STL format. Length of this junction is 75 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The two axes of the tubes are off-center by 20 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 56 mm
side B thickness 3 mm
transition length 25 mm
axis offset 20 mm
ends fillet no fillet
Inline tube coupler ⌀95 mm to ⌀54 mm in STL 3D format. Final length of this reducer is 75 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The two axes of the tubes are offset by 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 95 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 54 mm
side B thickness 3 mm
transition length 25 mm
axis offset 20 mm
ends fillet no fillet
Tube adapter ⌀100 mm to ⌀50 mm in STL format. Length of this adapter 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 two axes of the tubes are off-center by 24.9 mm. The ends have a fillet on the inside to ease the connection.
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...