Custom Tube adapter STL file ⌀ 120–80 mm (Length: 240 mm) 📦#1400

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Straight tube reducer ⌀120 mm to ⌀80 mm in STL 3D format. Length of this connector is 240 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 rounded on the inside.
Generation date: 2025-08-23
3D Model Tube adapter STL file ⌀ 120–80 mm (Length: 240 mm)

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  • inline-tube-adapter-lenA50mm-d_model1400-nb0_dd{id}.stl : 3.9 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
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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 120 mm (≃4.72 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 50 mm (≃1.97 in)
#5 side B outer diameter 80 mm (≃3.15 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 140 mm (≃5 1/2 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the inside
Metadata Value
inner diameter (side A) 114 mm (≃4 1/2 in)
inner diameter (side B) 74 mm (≃2.91 in)
total length 240 mm (≃9 7/16 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 

Tube adapter STL 3D file ⌀ 150–110 mm (Length: 195 mm) (📦 #2697)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 150–110 mm (Length: 195 mm)
Straight sleeve ⌀150 mm to ⌀110 mm in STL 3D format. Length of this adapter is 195 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 60 mm. The ends have a fillet on the outside.
Parameter Value Unit
side A length 35 mm
side A outer diameter 150 mm
side A thickness 4 mm
side B length 60 mm
side B outer diameter 110 mm
side B thickness 4 mm
transition length 100 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 150–5 mm (Length: 248 mm) (📦 #1705)

1 object(s) - format STL
Tube adapter STL file ⌀ 150–5 mm (Length: 248 mm)
Inline tube coupler ⌀150 mm to ⌀5 mm in STL 3D format. Final length of this sleeve is 248 mm. The larger-diameter tube has a thickness of 2.5 mm and a length of 60 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 38 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 60 mm
side A outer diameter 150 mm
side A thickness 2.5 mm
side B length 38 mm
side B outer diameter 5 mm
side B thickness 2 mm
transition length 150 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 148–110 mm (Length: 200 mm) (📦 #2696)

1 object(s) - format STL
Tubing adapter STL file ⌀ 148–110 mm (Length: 200 mm)
Straight tube coupler ⌀148 mm to ⌀110 mm in STL format. Length of this junction is 200 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 60 mm. The ends have a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 40 mm
side A outer diameter 148 mm
side A thickness 5 mm
side B length 60 mm
side B outer diameter 110 mm
side B thickness 5 mm
transition length 100 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 150–5 mm (Length: 280 mm) (📦 #1703)

1 object(s) - format STL
Tube adapter STL file ⌀ 150–5 mm (Length: 280 mm)
Straight tube reducer ⌀150 mm to ⌀5 mm in STL 3D format. Total length of this connector is 280 mm. The larger-diameter tube has a thickness of 2.5 mm and a sleeve length of 60 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 70 mm. The ends have a fillet on the outside.
Parameter Value Unit
side A length 60 mm
side A outer diameter 150 mm
side A thickness 2.5 mm
side B length 70 mm
side B outer diameter 5 mm
side B thickness 2 mm
transition length 150 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 60–26 mm (Length: 180 mm) (📦 #2655)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–26 mm (Length: 180 mm)
Inline sleeve ⌀60 mm to ⌀26 mm in STL format. Total length of this coupler 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 have a fillet on the outside.
Parameter Value Unit
side A length 40 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 26 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 158–96 mm (Length: 152 mm) (📦 #2540)

1 object(s) - format STL
Tube adapter STL file ⌀ 158–96 mm (Length: 152 mm)
Diameter adapter ⌀158 mm to ⌀96 mm in STL 3D format. Total length of this junction is 152 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 158 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 96 mm
side B thickness 2 mm
transition length 102 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 161–96 mm (Length: 150 mm) (📦 #2542)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 161–96 mm (Length: 150 mm)
Straight tube fitting ⌀161 mm to ⌀96 mm in STL format. Final length of this reducer is 150 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 161 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 96 mm
side B thickness 2 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 104–81 mm (Length: 140 mm) (📦 #2656)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 104–81 mm (Length: 140 mm)
Straight tube connector ⌀104 mm to ⌀81 mm in STL 3D format. Length of this fitting is 140 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 5 mm. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 104 mm
side A thickness 3 mm
side B length 5 mm
side B outer diameter 81 mm
side B thickness 3 mm
transition length 95 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 80–55 mm (Length: 140 mm) (📦 #2592)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–55 mm (Length: 140 mm)
Tube coupler ⌀80 mm to ⌀55 mm in STL format. Length of this coupler 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 30 mm as well. The two axes of the tubes are offset by 12.4 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 80 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 55 mm
side B thickness 2 mm
transition length 80 mm
axis offset 12.4 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 150–50 mm (Length: 260 mm) (📦 #2815)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 150–50 mm (Length: 260 mm)
Inline tube junction ⌀150 mm to ⌀50 mm in STL format. Final length of this reducer is 260 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 have no fillet.
Parameter Value Unit
side A length 80 mm
side A outer diameter 150 mm
side A thickness 3 mm
side B length 80 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 76–30 mm (Length: 170 mm) (📦 #3914)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 76–30 mm (Length: 170 mm)
Tube coupler ⌀76 mm to ⌀30 mm in STL 3D format. Total length of this coupler is 170 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 50 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 76 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 30 mm
side B thickness 3 mm
transition length 90 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 3D file ⌀ 100–60 mm (Length: 180 mm) (📦 #1414)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–60 mm (Length: 180 mm)
Tube junction ⌀100 mm to ⌀60 mm in STL format. Total length of this junction is 180 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 60 mm, the smaller one of 60 mm as well. The ends feature an external fillet.
Parameter Value Unit
side A length 60 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 167–122 mm (Length: 160 mm) (📦 #4382)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 167–122 mm (Length: 160 mm)
Inline sleeve ⌀167 mm to ⌀122 mm in STL format. Total length of this fitting is 160 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 40 mm as well. The ends feature a fillet to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 167 mm
side A thickness 5 mm
side B length 40 mm
side B outer diameter 122 mm
side B thickness 5 mm
transition length 80 mm
axis offset 0 mm
ends fillet fillet on bo...

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 ⌀ 102–61 mm (Length: 125 mm) (📦 #2667)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 102–61 mm (Length: 125 mm)
Inline sleeve ⌀102 mm to ⌀61 mm in STL 3D format. Final length of this junction is 125 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 15 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 15 mm
side B outer diameter 61 mm
side B thickness 2 mm
transition length 90 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 100–71 mm (Length: 190 mm) (📦 #3070)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 100–71 mm (Length: 190 mm)
Tubing reducer ⌀100 mm to ⌀71 mm in STL format. Final length of this fitting is 190 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 70 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 70 mm
side B outer diameter 71 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 83–63 mm (Length: 120 mm) (📦 #2665)

1 object(s) - format STL
Tube adapter STL file ⌀ 83–63 mm (Length: 120 mm)
Tubing adapter ⌀83 mm to ⌀63 mm in STL 3D format. Length of this adapter is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 15 mm, the smaller one of 15 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 83 mm
side A thickness 3 mm
side B length 15 mm
side B outer diameter 63 mm
side B thickness 3 mm
transition length 90 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–50 mm (Length: 140 mm) (📦 #1450)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–50 mm (Length: 140 mm)
Tube reducer ⌀100 mm to ⌀50 mm in STL format. Final length of this junction is 140 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 40 mm as well. The ends are rounded to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet fillet on bo...

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

Tube adapter STL file ⌀ 100–16 mm (Length: 140 mm) (📦 #1341)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–16 mm (Length: 140 mm)
Inline tube coupler ⌀100 mm to ⌀16 mm in STL 3D format. Final length of this sleeve is 140 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 30 mm. The ends are not rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 16 mm
side B thickness 3 mm
transition length 100 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 file ⌀ 81–61 mm (Length: 115 mm) (📦 #2666)

1 object(s) - format STL
Tube adapter STL file ⌀ 81–61 mm (Length: 115 mm)
Inline tube coupler ⌀81 mm to ⌀61 mm in STL 3D format. Final length of this coupler is 115 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 15 mm, the smaller one of 15 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 81 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 61 mm
side B thickness 2 mm
transition length 85 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 60–15 mm (Length: 165 mm) (📦 #2400)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–15 mm (Length: 165 mm)
Inline tube reducer ⌀60 mm to ⌀15 mm in STL 3D format. Final length of this junction is 165 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 40 mm. The axes of the tubes are offset by 20 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 60 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 100 mm
axis offset 20 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 100–80 mm (Length: 150 mm) (📦 #2109)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–80 mm (Length: 150 mm)
Inline tube reducer ⌀100 mm to ⌀80 mm in STL format. Final length of this sleeve is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 60 mm. The axes of the tubes are offset by 9.9 mm. The ends are rounded to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 40 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 50 mm
axis offset 9.9 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 183–97 mm (Length: 117 mm) (📦 #3859)

1 object(s) - format STL
Tubing adapter STL file ⌀ 183–97 mm (Length: 117 mm)
Tube adapter ⌀183 mm to ⌀97 mm in STL 3D format. Final length of this junction is 117 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 17 mm. The ends are rounded on the inside to make tube connection easier.
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 97 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 125–105 mm (Length: 110 mm) (📦 #3825)

1 object(s) - format STL
Tubing adapter STL file ⌀ 125–105 mm (Length: 110 mm)
Inline tube junction ⌀125 mm to ⌀105 mm in STL 3D format. Total length of this coupler is 110 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 ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 125 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 105 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 125–107 mm (Length: 110 mm) (📦 #3821)

1 object(s) - format STL
Tube adapter STL file ⌀ 125–107 mm (Length: 110 mm)
Inline tube coupler ⌀125 mm to ⌀107 mm in STL 3D format. Total length of this junction is 110 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 feature a fillet to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 125 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 107 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 60–35 mm (Length: 240 mm) (📦 #2996)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–35 mm (Length: 240 mm)
Straight tube fitting ⌀60 mm to ⌀35 mm in STL 3D format. Length of this adapter 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 60 mm
side A thickness 3 mm
side B length 80 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 125–109 mm (Length: 110 mm) (📦 #3814)

1 object(s) - format STL
Tube adapter STL file ⌀ 125–109 mm (Length: 110 mm)
Inline fitting ⌀125 mm to ⌀109 mm in STL 3D format. Length of this reducer is 110 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 have a fillet to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 125 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 109 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on bo...