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)

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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...

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...

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 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 ⌀ 156–100 mm (Length: 208 mm) (📦 #11299)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 156–100 mm (Length: 208 mm)
Straight tube fitting ⌀156 mm to ⌀100 mm in STL 3D format. Final length of this adapter is 208 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 23 mm, the smaller one of 35 mm. The axes of the tubes are off-center by 22 mm. The ends have no fillet.
Parameter Value Unit
side A length 23 mm
side A outer diameter 156 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 100 mm
side B thickness 2 mm
transition length 150 mm
axis offset 22 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 156–100 mm (Length: 208 mm) (📦 #11300)

1 object(s) - format STL
Tubing adapter STL file ⌀ 156–100 mm (Length: 208 mm)
Tube connector ⌀156 mm to ⌀100 mm in STL 3D format. Final length of this sleeve is 208 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 23 mm, the smaller one of 35 mm. The two axes of the tubes are offset by 27.9 mm. The ends have no fillet.
Parameter Value Unit
side A length 23 mm
side A outer diameter 156 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 100 mm
side B thickness 2 mm
transition length 150 mm
axis offset 27.9 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 file ⌀ 146–109 mm (Length: 220 mm) (📦 #11351)

1 object(s) - format STL
Tube adapter STL file ⌀ 146–109 mm (Length: 220 mm)
Tube reducer ⌀146 mm to ⌀109 mm in STL 3D format. Final length of this reducer is 220 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 60 mm, the smaller one of 60 mm as well. The ends are raw.
Parameter Value Unit
side A length 60 mm
side A outer diameter 146 mm
side A thickness 3 mm
side B length 60 mm
side B outer diameter 109 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