Custom Tube adapter STL file ⌀ 114–76 mm (Length: 500 mm) 📦#7305

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Straight tube adapter ⌀114 mm to ⌀76 mm in STL 3D format. Length of this sleeve is 500 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 100 mm, the smaller one of 100 mm as well. The ends are not rounded.
Generation date: 2026-02-15
3D Model Tube adapter STL file ⌀ 114–76 mm (Length: 500 mm)

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  • inline-tube-adapter-lenA100mm-_model7305-nb0_dd{id}.stl : 824.5 Ko
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 100 mm (≃3 15/16 in)
#2 side A outer diameter 114 mm (≃4 1/2 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 100 mm (≃3 15/16 in)
#5 side B outer diameter 76 mm (≃3 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 300 mm (≃11 13/16 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 108 mm (≃4 1/4 in)
inner diameter (side B) 70 mm (≃2 3/4 in)
total length 500 mm (≃19 11/16 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 

Tubing adapter STL 3D file ⌀ 35–15 mm (Length: 320 mm) (📦 #8620)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 35–15 mm (Length: 320 mm)
Inline tube adapter ⌀35 mm to ⌀15 mm in STL 3D format. Total length of this junction is 320 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 10 mm as well. The ends are raw.
Parameter Value Unit
side A length 10 mm
side A outer diameter 35 mm
side A thickness 5 mm
side B length 10 mm
side B outer diameter 15 mm
side B thickness 5 mm
transition length 300 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 280–5 mm (Length: 329 mm) (📦 #1572)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 280–5 mm (Length: 329 mm)
Inline tube reducer ⌀280 mm to ⌀5 mm in STL format. Final length of this sleeve is 329 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 to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 60 mm
side A outer diameter 280 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 199 mm
axis offset 0 mm
ends fillet fillet on th...

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 ⌀ 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 ⌀ 100–34 mm (Length: 260 mm) (📦 #4389)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–34 mm (Length: 260 mm)
Straight tube fitting ⌀100 mm to ⌀34 mm in STL 3D format. Final length of this fitting is 260 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 32 mm. The ends have a fillet on the inside.
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 34 mm
side B thickness 2 mm
transition length 200 mm
axis offset 32 mm
ends fillet fillet on th...

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

1 object(s) - format STL
Tube adapter STL file ⌀ 120–80 mm (Length: 240 mm)
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.
Parameter Value Unit
side A length 50 mm
side A outer diameter 120 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 140 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 80–60 mm (Length: 220 mm) (📦 #8277)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–60 mm (Length: 220 mm)
Straight tube fitting ⌀80 mm to ⌀60 mm in STL 3D format. Final length of this coupler is 220 mm. The thickness of the tubes is identical: 6 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 20 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 80 mm
side A thickness 6 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 6 mm
transition length 150 mm
axis offset 0 mm
ends fillet no fillet

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 ⌀ 78–34 mm (Length: 260 mm) (📦 #6421)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 78–34 mm (Length: 260 mm)
Tube connector ⌀78 mm to ⌀34 mm in STL format. Total length of this sleeve is 260 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 100 mm. The ends are not rounded.
Parameter Value Unit
side A length 60 mm
side A outer diameter 78 mm
side A thickness 2.5 mm
side B length 100 mm
side B outer diameter 34 mm
side B thickness 2 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 150–50 mm (Length: 350 mm) (📦 #2816)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 150–50 mm (Length: 350 mm)
Tubing adapter ⌀150 mm to ⌀50 mm in STL format. Total length of this sleeve is 350 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 150 mm, the smaller one of 100 mm. The ends are not rounded.
Parameter Value Unit
side A length 150 mm
side A outer diameter 150 mm
side A thickness 3 mm
side B length 100 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 ⌀ 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 ⌀ 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...

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

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 ⌀ 183–97 mm (Length: 300 mm) (📦 #3865)

1 object(s) - format STL
Tube adapter STL file ⌀ 183–97 mm (Length: 300 mm)
Straight tubing adapter ⌀183 mm to ⌀97 mm in STL format. Final length of this connector is 300 mm. The thickness of the tubes is identical: 6 mm. The larger-diameter tube has a sleeve length of 100 mm, the smaller one of 100 mm as well. The ends have a fillet on the inside to make tube connection easier.
Parameter Value Unit
side A length 100 mm
side A outer diameter 183 mm
side A thickness 6 mm
side B length 100 mm
side B outer diameter 97 mm
side B thickness 6 mm
transition length 100 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 80–35 mm (Length: 240 mm) (📦 #6458)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–35 mm (Length: 240 mm)
Straight tube fitting ⌀80 mm to ⌀35 mm in STL 3D format. Total length of this coupler is 240 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 60 mm. The smaller-diameter tube has a thickness of 2.5 mm and a length of 80 mm. The ends are rounded to ease the connection.
Parameter Value Unit
side A length 60 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 80 mm
side B outer diameter 35 mm
side B thickness 2.5 mm
transition length 100 mm
axis offset 0 mm
ends fillet fillet on bo...

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...

Tubing adapter STL 3D file ⌀ 19–18 mm (Length: 190 mm) (📦 #8304)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 19–18 mm (Length: 190 mm)
Inline tube adapter ⌀19 mm to ⌀18 mm in STL format. Total length of this adapter is 190 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 45 mm, the smaller one of 45 mm as well. The ends are raw.
Parameter Value Unit
side A length 45 mm
side A outer diameter 19 mm
side A thickness 3 mm
side B length 45 mm
side B outer diameter 18 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 200–110 mm (Length: 240 mm) (📦 #9818)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 200–110 mm (Length: 240 mm)
Straight tube coupler ⌀200 mm to ⌀110 mm in STL format. Total length of this sleeve is 240 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 have a fillet.
Parameter Value Unit
side A length 70 mm
side A outer diameter 200 mm
side A thickness 3 mm
side B length 70 mm
side B outer diameter 110 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet fillet on bo...

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 ⌀ 120–100 mm (Length: 152 mm) (📦 #6013)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 120–100 mm (Length: 152 mm)
Inline sleeve ⌀120 mm to ⌀100 mm in STL 3D format. Length of this coupler 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 120 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 100 mm
side B thickness 2 mm
transition length 102 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

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

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 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