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Custom Tube adapter STL file ⌀ 250–50 mm (Length: 80 mm) 📦#3849

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Straight tube connector ⌀250 mm to ⌀50 mm in STL 3D format. Final length of this coupler is 80 mm. The larger-diameter tube has a thickness of 5 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 30 mm as well. The ends are raw.
Generation date: 2025-11-26
3D Model Tube adapter STL file ⌀ 250–50 mm (Length: 80 mm)

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  • inline-tube-adapter-lenA30mm-d_model3849-nb0_dd{id}.stl : 9.6 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 30 mm (≃1 3/16 in)
#2 side A outer diameter 250 mm (≃9.84 in)
#3 side A thickness 5 mm (≃3/16 in)
#4 side B length 30 mm (≃1 3/16 in)
#5 side B outer diameter 50 mm (≃1.97 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 20 mm (≃0.79 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 240 mm (≃9 7/16 in)
inner diameter (side B) 44 mm (≃1.73 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 

Tube adapter STL file ⌀ 200–50 mm (Length: 80 mm) (📦 #1483)

1 object(s) - format STL
Tube adapter STL file ⌀ 200–50 mm (Length: 80 mm)
Tube reducer ⌀200 mm to ⌀50 mm in STL 3D format. Total 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 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 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 225–80 mm (Length: 45 mm) (📦 #2952)

1 object(s) - format STL
Tube adapter STL file ⌀ 225–80 mm (Length: 45 mm)
Inline tube junction ⌀225 mm to ⌀80 mm in STL 3D format. Final length of this fitting is 45 mm. The larger-diameter tube has a thickness of 4 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 20 mm as well. The axes of the tubes are offset by 1 mm. The ends have a fillet on the outside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 225 mm
side A thickness 4 mm
side B length 20 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 5 mm
axis offset 1 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 198–56 mm (Length: 70 mm) (📦 #3101)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 198–56 mm (Length: 70 mm)
Inline fitting ⌀198 mm to ⌀56 mm in STL 3D format. Final length of this reducer is 70 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 ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 198 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 56 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 250–100 mm (Length: 80 mm) (📦 #1537)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 250–100 mm (Length: 80 mm)
Inline fitting ⌀250 mm to ⌀100 mm in STL format. Total length of this adapter 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 ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 250 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 200–100 mm (Length: 80 mm) (📦 #1536)

1 object(s) - format STL
Tube adapter STL file ⌀ 200–100 mm (Length: 80 mm)
Inline fitting ⌀200 mm to ⌀100 mm in STL format. Length of this adapter 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 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 100 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 250–60 mm (Length: 80 mm) (📦 #1843)

1 object(s) - format STL
Tube adapter STL file ⌀ 250–60 mm (Length: 80 mm)
Inline tube reducer ⌀250 mm to ⌀60 mm in STL format. Length of this reducer 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 250 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

Tube adapter STL file ⌀ 183–90 mm (Length: 117 mm) (📦 #1959)

1 object(s) - format STL
Tube adapter STL file ⌀ 183–90 mm (Length: 117 mm)
Tube adapter ⌀183 mm to ⌀90 mm in STL 3D format. Length of this sleeve is 117 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 17 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 183 mm
side A thickness 3 mm
side B length 17 mm
side B outer diameter 90 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 123–58 mm (Length: 85 mm) (📦 #2027)

1 object(s) - format STL
Tube adapter STL file ⌀ 123–58 mm (Length: 85 mm)
Tube fitting ⌀123 mm to ⌀58 mm in STL format. Length of this sleeve is 85 mm. The larger-diameter tube has a thickness of 5 mm and a length of 25 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 25 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 123 mm
side A thickness 5 mm
side B length 25 mm
side B outer diameter 58 mm
side B thickness 4 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 180–60 mm (Length: 150 mm) (📦 #1424)

1 object(s) - format STL
Tube adapter STL file ⌀ 180–60 mm (Length: 150 mm)
Straight sleeve ⌀180 mm to ⌀60 mm in STL 3D format. Final length of this junction 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 30 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 180 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 60 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 160–110 mm (Length: 65 mm) (📦 #2288)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 160–110 mm (Length: 65 mm)
Tube adapter ⌀160 mm to ⌀110 mm in STL 3D format. Total length of this fitting is 65 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 ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 160 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 110 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 240–106 mm (Length: 160 mm) (📦 #1932)

1 object(s) - format STL
Tube adapter STL file ⌀ 240–106 mm (Length: 160 mm)
Straight tube connector ⌀240 mm to ⌀106 mm in STL format. Length of this fitting is 160 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 70 mm, the smaller one of 70 mm as well. The ends are raw.
Parameter Value Unit
side A length 70 mm
side A outer diameter 240 mm
side A thickness 3 mm
side B length 70 mm
side B outer diameter 106 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 230–106 mm (Length: 160 mm) (📦 #1933)

1 object(s) - format STL
Tube adapter STL file ⌀ 230–106 mm (Length: 160 mm)
Tube reducer ⌀230 mm to ⌀106 mm in STL 3D format. Total length of this sleeve is 160 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 70 mm, the smaller one of 70 mm as well. The ends are raw.
Parameter Value Unit
side A length 70 mm
side A outer diameter 230 mm
side A thickness 3 mm
side B length 70 mm
side B outer diameter 106 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 140–93 mm (Length: 110 mm) (📦 #1432)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 140–93 mm (Length: 110 mm)
Tube connector ⌀140 mm to ⌀93 mm in STL 3D format. Length of this adapter is 110 mm. The thickness of the tubes is identical: 5 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 140 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 93 mm
side B thickness 5 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 180–16 mm (Length: 150 mm) (📦 #1423)

1 object(s) - format STL
Tube adapter STL file ⌀ 180–16 mm (Length: 150 mm)
Straight tube adapter ⌀180 mm to ⌀16 mm in STL format. Final length of this fitting 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 30 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 30 mm
side B outer diameter 16 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 245–106 mm (Length: 145 mm) (📦 #1931)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 245–106 mm (Length: 145 mm)
Straight tube connector ⌀245 mm to ⌀106 mm in STL format. Final length of this sleeve is 145 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 70 mm, the smaller one of 70 mm as well. The ends are raw.
Parameter Value Unit
side A length 70 mm
side A outer diameter 245 mm
side A thickness 3 mm
side B length 70 mm
side B outer diameter 106 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 158–118 mm (Length: 90 mm) (📦 #2318)

1 object(s) - format STL
Tube adapter STL file ⌀ 158–118 mm (Length: 90 mm)
Inline fitting ⌀158 mm to ⌀118 mm in STL format. Final 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 ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 158 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 118 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 157–117 mm (Length: 65 mm) (📦 #2290)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 157–117 mm (Length: 65 mm)
Tube connector ⌀157 mm to ⌀117 mm in STL 3D format. Total length of this fitting is 65 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 ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 157 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 117 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 150–100 mm (Length: 100 mm) (📦 #2728)

1 object(s) - format STL
Tube adapter STL file ⌀ 150–100 mm (Length: 100 mm)
Straight tube fitting ⌀150 mm to ⌀100 mm in STL 3D format. Length of this adapter is 100 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 ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 150 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 158–118 mm (Length: 65 mm) (📦 #2289)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 158–118 mm (Length: 65 mm)
Tube adapter ⌀158 mm to ⌀118 mm in STL format. Final length of this fitting is 65 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 ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 158 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 118 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 148–98 mm (Length: 100 mm) (📦 #3537)

1 object(s) - format STL
Tubing adapter STL file ⌀ 148–98 mm (Length: 100 mm)
Straight tube coupler ⌀148 mm to ⌀98 mm in STL format. Total length of this connector 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 30 mm as well. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 148 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 98 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 110–80 mm (Length: 63 mm) (📦 #2393)

1 object(s) - format STL
Tube adapter STL file ⌀ 110–80 mm (Length: 63 mm)
Straight sleeve ⌀110 mm to ⌀80 mm in STL 3D format. Total length of this adapter is 63 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a 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 110 mm
side A thickness 4 mm
side B length 25 mm
side B outer diameter 80 mm
side B thickness 4 mm
transition length 13 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 120–90 mm (Length: 75 mm) (📦 #1164)

1 object(s) - format STL
Tube adapter STL file ⌀ 120–90 mm (Length: 75 mm)
Inline tube junction ⌀120 mm to ⌀90 mm in STL 3D format. Total length of this fitting is 75 mm. The larger-diameter tube has a thickness of 4 mm and a length of 25 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 30 mm. The ends have a fillet on the outside to make tube connection easier.
Parameter Value Unit
side A length 25 mm
side A outer diameter 120 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 90 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 110–80 mm (Length: 78 mm) (📦 #2413)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 110–80 mm (Length: 78 mm)
Tube reducer ⌀110 mm to ⌀80 mm in STL format. Final length of this sleeve is 78 mm. The larger-diameter tube has a thickness of 4 mm and a sleeve length of 25 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 40 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 110 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 13 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 140–120 mm (Length: 60 mm) (📦 #1207)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 140–120 mm (Length: 60 mm)
Tube fitting ⌀140 mm to ⌀120 mm in STL 3D format. Final length of this sleeve is 60 mm. The thickness of the tubes is identical: 4 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 140 mm
side A thickness 4 mm
side B length 20 mm
side B outer diameter 120 mm
side B thickness 4 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 150–96 mm (Length: 150 mm) (📦 #1468)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 150–96 mm (Length: 150 mm)
Straight sleeve ⌀150 mm to ⌀96 mm in STL format. Length of this junction 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 have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 150 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 96 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 105–80 mm (Length: 63 mm) (📦 #2383)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 105–80 mm (Length: 63 mm)
Tube adapter ⌀105 mm to ⌀80 mm in STL 3D format. Length of this connector is 63 mm. The thickness of the tubes is identical: 4 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 105 mm
side A thickness 4 mm
side B length 25 mm
side B outer diameter 80 mm
side B thickness 4 mm
transition length 13 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 210–20 mm (Length: 160 mm) (📦 #2156)

1 object(s) - format STL
Tube adapter STL file ⌀ 210–20 mm (Length: 160 mm)
Inline tube reducer ⌀210 mm to ⌀20 mm in STL format. Length of this sleeve is 160 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a sleeve length of 100 mm, the smaller one of 30 mm. The ends are raw.
Parameter Value Unit
side A length 100 mm
side A outer diameter 210 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 20 mm
side B thickness 5 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 150–75 mm (Length: 150 mm) (📦 #1797)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 150–75 mm (Length: 150 mm)
Straight tube reducer ⌀150 mm to ⌀75 mm in STL format. Total length of this sleeve is 150 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 not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 150 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 159–117 mm (Length: 105 mm) (📦 #2291)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 159–117 mm (Length: 105 mm)
Straight sleeve ⌀159 mm to ⌀117 mm in STL format. Total length of this sleeve is 105 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 have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 159 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 117 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 113–40 mm (Length: 85 mm) (📦 #2550)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 113–40 mm (Length: 85 mm)
Tube junction ⌀113 mm to ⌀40 mm in STL format. Total length of this reducer is 85 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 20 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 113 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 40 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet