Custom Tubing adapter STL file ⌀ 211–171 mm (Length: 180 mm) 📦#3214

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Inline tube coupler ⌀211 mm to ⌀171 mm in STL 3D format. Total length of this fitting is 180 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 ends are raw.
Generation date: 2025-11-11
3D Model Tubing adapter STL file ⌀ 211–171 mm (Length: 180 mm)

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  • inline-tube-adapter-lenA50mm-d_model3214-nb0_dd{id}.stl : 1.6 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 50 mm (≃1.97 in)
#2 side A outer diameter 211 mm (≃8 5/16 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 50 mm (≃1.97 in)
#5 side B outer diameter 171 mm (≃6.73 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 80 mm (≃3.15 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 205 mm (≃8 1/16 in)
inner diameter (side B) 165 mm (≃6 1/2 in)
total length 180 mm (≃7.09 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 ⌀ 205–165 mm (Length: 180 mm) (📦 #3159)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 205–165 mm (Length: 180 mm)
Inline sleeve ⌀205 mm to ⌀165 mm in STL 3D format. Final length of this junction is 180 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 205 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 165 mm
side B thickness 3 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 211–131 mm (Length: 180 mm) (📦 #3215)

1 object(s) - format STL
Tubing adapter STL file ⌀ 211–131 mm (Length: 180 mm)
Inline tube adapter ⌀211 mm to ⌀131 mm in STL format. Final length of this sleeve is 180 mm. The thickness of the tubes is identical: 3 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 211 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 131 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 205–125 mm (Length: 180 mm) (📦 #3191)

1 object(s) - format STL
Tubing adapter STL file ⌀ 205–125 mm (Length: 180 mm)
Inline tube reducer ⌀205 mm to ⌀125 mm in STL 3D format. Total length of this connector is 180 mm. The thickness of the tubes is identical: 3 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 205 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 125 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 203–160 mm (Length: 150 mm) (📦 #9214)

1 object(s) - format STL
Tube adapter STL file ⌀ 203–160 mm (Length: 150 mm)
Tubing reducer ⌀203 mm to ⌀160 mm in STL format. Total length of this connector is 150 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 ends feature an external fillet to ease the connection.
Parameter Value Unit
side A length 50 mm
side A outer diameter 203 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 160 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 199–149 mm (Length: 150 mm) (📦 #9105)

1 object(s) - format STL
Tube adapter STL file ⌀ 199–149 mm (Length: 150 mm)
Tubing reducer ⌀199 mm to ⌀149 mm in STL format. Total length of this coupler is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 199 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 149 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 200–151 mm (Length: 240 mm) (📦 #7499)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 200–151 mm (Length: 240 mm)
Inline tube adapter ⌀200 mm to ⌀151 mm in STL 3D format. Total length of this junction is 240 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 80 mm, the smaller one of 80 mm as well. The ends are raw.
Parameter Value Unit
side A length 80 mm
side A outer diameter 200 mm
side A thickness 3 mm
side B length 80 mm
side B outer diameter 151 mm
side B thickness 3 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 200–150 mm (Length: 140 mm) (📦 #9073)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 200–150 mm (Length: 140 mm)
Inline tube coupler ⌀200 mm to ⌀150 mm in STL format. Length of this junction is 140 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 200 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 150 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 200–150 mm (Length: 200 mm) (📦 #2825)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 200–150 mm (Length: 200 mm)
Inline tube junction ⌀200 mm to ⌀150 mm in STL format. Length of this connector is 200 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 200 mm
side A thickness 5 mm
side B length 50 mm
side B outer diameter 150 mm
side B thickness 5 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 198–153 mm (Length: 110 mm) (📦 #8387)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 198–153 mm (Length: 110 mm)
Straight tube fitting ⌀198 mm to ⌀153 mm in STL format. Total length of this reducer is 110 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 198 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 153 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 158–148 mm (Length: 135 mm) (📦 #7903)

1 object(s) - format STL
Tube adapter STL file ⌀ 158–148 mm (Length: 135 mm)
Inline tube adapter ⌀158 mm to ⌀148 mm in STL 3D format. Final length of this sleeve is 135 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 50 mm. The ends are raw.
Parameter Value Unit
side A length 35 mm
side A outer diameter 158 mm
side A thickness 4 mm
side B length 50 mm
side B outer diameter 148 mm
side B thickness 4 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 206–147 mm (Length: 105 mm) (📦 #4871)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 206–147 mm (Length: 105 mm)
Tube junction ⌀206 mm to ⌀147 mm in STL format. Total length of this fitting 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 ends are raw.
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 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 198–154 mm (Length: 90 mm) (📦 #8386)

1 object(s) - format STL
Tube adapter STL file ⌀ 198–154 mm (Length: 90 mm)
Inline tubing adapter ⌀198 mm to ⌀154 mm in STL 3D format. Total length of this adapter is 90 mm. The thickness of the tubes is identical: 3 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 198 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 154 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 200–110 mm (Length: 210 mm) (📦 #9819)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 200–110 mm (Length: 210 mm)
Tubing reducer ⌀200 mm to ⌀110 mm in STL 3D format. Total length of this adapter is 210 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 60 mm, the smaller one of 50 mm. The ends feature an external fillet.
Parameter Value Unit
side A length 60 mm
side A outer diameter 200 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 110 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 206–146 mm (Length: 94 mm) (📦 #4838)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 206–146 mm (Length: 94 mm)
Tubing adapter ⌀206 mm to ⌀146 mm in STL format. Total length of this junction is 94 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 28 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 206 mm
side A thickness 3 mm
side B length 28 mm
side B outer diameter 146 mm
side B thickness 3 mm
transition length 41 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 203–116 mm (Length: 120 mm) (📦 #10059)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 203–116 mm (Length: 120 mm)
Tube fitting ⌀203 mm to ⌀116 mm in STL 3D format. Final length of this reducer is 120 mm. The larger-diameter tube has a thickness of 3 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 40 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 203 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 116 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 204–154 mm (Length: 250 mm) (📦 #9102)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 204–154 mm (Length: 250 mm)
Inline tube junction ⌀204 mm to ⌀154 mm in STL format. Total length of this coupler is 250 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 100 mm. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 204 mm
side A thickness 2 mm
side B length 100 mm
side B outer diameter 154 mm
side B thickness 2 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 205–116 mm (Length: 120 mm) (📦 #10058)

1 object(s) - format STL
Tubing adapter STL file ⌀ 205–116 mm (Length: 120 mm)
Inline sleeve ⌀205 mm to ⌀116 mm in STL 3D format. Length of this coupler is 120 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 ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 205 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 116 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 205–114 mm (Length: 120 mm) (📦 #10057)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 205–114 mm (Length: 120 mm)
Tube junction ⌀205 mm to ⌀114 mm in STL format. Final length of this sleeve is 120 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 ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 205 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 114 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 172–150 mm (Length: 230 mm) (📦 #9261)

1 object(s) - format STL
Tube adapter STL file ⌀ 172–150 mm (Length: 230 mm)
Tube coupler ⌀172 mm to ⌀150 mm in STL format. Total length of this reducer is 230 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 80 mm. The two axes of the tubes are offset by 10.9 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 172 mm
side A thickness 4 mm
side B length 80 mm
side B outer diameter 150 mm
side B thickness 4 mm
transition length 100 mm
axis offset 10.9 mm
ends fillet no fillet

Tube adapter STL file ⌀ 202–150 mm (Length: 80 mm) (📦 #9332)

1 object(s) - format STL
Tube adapter STL file ⌀ 202–150 mm (Length: 80 mm)
Straight tube coupler ⌀202 mm to ⌀150 mm in STL 3D format. Final length of this sleeve 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 20 mm as well. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 202 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 150 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 200–165 mm (Length: 120 mm) (📦 #4822)

1 object(s) - format STL
Tube adapter STL file ⌀ 200–165 mm (Length: 120 mm)
Inline sleeve ⌀200 mm to ⌀165 mm in STL 3D format. Length of this sleeve is 120 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 ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 200 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 165 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 153–126 mm (Length: 100 mm) (📦 #2777)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 153–126 mm (Length: 100 mm)
Straight tube reducer ⌀153 mm to ⌀126 mm in STL format. Length of this coupler is 100 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 20 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 153 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 126 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 205–137 mm (Length: 90 mm) (📦 #10055)

1 object(s) - format STL
Tube adapter STL file ⌀ 205–137 mm (Length: 90 mm)
Inline fitting ⌀205 mm to ⌀137 mm in STL 3D format. Total length of this adapter is 90 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 5 mm and a length of 20 mm as well. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 205 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 137 mm
side B thickness 5 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet