Custom Tubing adapter STL file ⌀ 105–11 mm (Length: 70 mm) 📦#8966

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Straight tube coupler ⌀105 mm to ⌀11 mm in STL format. Final length of this coupler is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 30 mm. The ends feature an internal fillet to facilitate the connection of the two tubes.
Generation date: 2026-05-15
3D Model Tubing adapter STL file ⌀ 105–11 mm (Length: 70 mm)

3D model download

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  • inline-tube-adapter-lenA20mm-d_model8966-nb0_dd{id}.stl : 10.6 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 20 mm (≃0.79 in)
#2 side A outer diameter 105 mm (≃4 1/8 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 30 mm (≃1 3/16 in)
#5 side B outer diameter 11 mm (≃7/16 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 20 mm (≃0.79 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the inside
Metadata Value
inner diameter (side A) 101 mm (≃3.98 in)
inner diameter (side B) 7 mm (≃0.28 in)
total length 70 mm (≃2 3/4 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 file ⌀ 150–11 mm (Length: 70 mm) (📦 #8965)

1 object(s) - format STL
Tubing adapter STL file ⌀ 150–11 mm (Length: 70 mm)
Inline sleeve ⌀150 mm to ⌀11 mm in STL format. Total length of this connector is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 30 mm. The ends feature an internal fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 150 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 11 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 105–8 mm (Length: 70 mm) (📦 #6093)

1 object(s) - format STL
Tube adapter STL file ⌀ 105–8 mm (Length: 70 mm)
Straight sleeve ⌀105 mm to ⌀8 mm in STL format. Final length of this fitting is 70 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 have a fillet on the inside to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 105 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 8 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 100–50 mm (Length: 90 mm) (📦 #1454)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–50 mm (Length: 90 mm)
Tube connector ⌀100 mm to ⌀50 mm in STL format. Total length of this fitting is 90 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 on the inside to facilitate the connection of the two tubes.
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 50 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 75–25 mm (Length: 110 mm) (📦 #4283)

1 object(s) - format STL
Tubing adapter STL file ⌀ 75–25 mm (Length: 110 mm)
Tube adapter ⌀75 mm to ⌀25 mm in STL format. Final 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 40 mm. The ends are rounded on the inside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 75 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 80–50 mm (Length: 60 mm) (📦 #1359)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–50 mm (Length: 60 mm)
Inline tube reducer ⌀80 mm to ⌀50 mm in STL 3D format. Total length of this connector is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The two axes of the tubes are offset by 1 mm. The ends feature an internal fillet to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 1 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 78–50 mm (Length: 60 mm) (📦 #1360)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 78–50 mm (Length: 60 mm)
Inline sleeve ⌀78 mm to ⌀50 mm in STL format. Length of this sleeve is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The two axes of the tubes are offset by 1 mm. The ends feature an internal fillet to ease the connection.
Parameter Value Unit
side A length 20 mm
side A outer diameter 78 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 1 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 76–50 mm (Length: 60 mm) (📦 #1358)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL file ⌀ 76–50 mm (Length: 60 mm)
Straight tube fitting ⌀76 mm to ⌀50 mm in STL 3D format. Length of this fitting is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends feature an internal fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 76 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 50–6 mm (Length: 40 mm) (📦 #2347)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 50–6 mm (Length: 40 mm)
Inline tube adapter ⌀50 mm to ⌀6 mm in STL 3D format. Length of this fitting is 40 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 15 mm. The ends have a fillet on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 6 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 64–32 mm (Length: 80 mm) (📦 #2791)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 64–32 mm (Length: 80 mm)
Inline tubing adapter ⌀64 mm to ⌀32 mm in STL 3D format. Total length of this reducer 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 a fillet on the inside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 64 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 32 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 67–33 mm (Length: 89 mm) (📦 #5243)

1 object(s) - format STL
Tube adapter STL file ⌀ 67–33 mm (Length: 89 mm)
Straight tube adapter ⌀67 mm to ⌀33 mm in STL 3D format. Final length of this sleeve is 89 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 a fillet on the inside to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 67 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 33 mm
side B thickness 3 mm
transition length 29 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 100–50 mm (Length: 100 mm) (📦 #1451)

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Tube adapter STL file ⌀ 100–50 mm (Length: 100 mm)
Inline fitting ⌀100 mm to ⌀50 mm in STL 3D format. Total length of this reducer is 100 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 an internal fillet to facilitate the connection of the two tubes.
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 50 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 120–16 mm (Length: 30 mm) (📦 #2772)

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Tube adapter STL file ⌀ 120–16 mm (Length: 30 mm)
Inline tube coupler ⌀120 mm to ⌀16 mm in STL 3D format. Length of this adapter is 30 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 5 mm, the smaller one of 10 mm. The ends have a fillet to ease the connection.
Parameter Value Unit
side A length 5 mm
side A outer diameter 120 mm
side A thickness 2 mm
side B length 10 mm
side B outer diameter 16 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 59–50 mm (Length: 70 mm) (📦 #8535)

1 object(s) - format STL
Tubing adapter STL file ⌀ 59–50 mm (Length: 70 mm)
Straight tube connector ⌀59 mm to ⌀50 mm in STL format. Length of this sleeve is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends are rounded on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 25 mm
side A outer diameter 59 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 60–20 mm (Length: 75 mm) (📦 #2411)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–20 mm (Length: 75 mm)
Inline tube junction ⌀60 mm to ⌀20 mm in STL format. Total length of this connector is 75 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 25 mm. The ends feature a fillet to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 60 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 20 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 100–53 mm (Length: 100 mm) (📦 #1600)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–53 mm (Length: 100 mm)
Inline fitting ⌀100 mm to ⌀53 mm in STL 3D format. Final length of this connector is 100 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 an internal fillet to facilitate the connection of the two tubes.
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 53 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 50–20 mm (Length: 80 mm) (📦 #8575)

1 object(s) - format STL
Tubing adapter STL file ⌀ 50–20 mm (Length: 80 mm)
Tube reducer ⌀50 mm to ⌀20 mm in STL format. Final length of this fitting 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 feature an internal fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 50 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 20 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 78–50 mm (Length: 80 mm) (📦 #1361)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 78–50 mm (Length: 80 mm)
Tube connector ⌀78 mm to ⌀50 mm in STL 3D format. Length of this junction is 80 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 axes of the tubes are off-center by 1 mm. The ends have a fillet on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 40 mm
side A outer diameter 78 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 1 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 102–50 mm (Length: 72 mm) (📦 #7247)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 102–50 mm (Length: 72 mm)
Inline tube adapter ⌀102 mm to ⌀50 mm in STL format. Length of this fitting is 72 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 32 mm, the smaller one of 30 mm. The ends feature an internal fillet to ease the connection.
Parameter Value Unit
side A length 32 mm
side A outer diameter 102 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 98–50 mm (Length: 72 mm) (📦 #7245)

1 object(s) - format STL
Tube adapter STL file ⌀ 98–50 mm (Length: 72 mm)
Straight sleeve ⌀98 mm to ⌀50 mm in STL format. Final length of this adapter is 72 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 32 mm, the smaller one of 30 mm. The ends are rounded on the inside.
Parameter Value Unit
side A length 32 mm
side A outer diameter 98 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 32–14 mm (Length: 60 mm) (📦 #4370)

1 object(s) - format STL
Tubing adapter STL file ⌀ 32–14 mm (Length: 60 mm)
Inline tubing adapter ⌀32 mm to ⌀14 mm in STL 3D format. Length of this sleeve is 60 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 25 mm. The ends have a fillet on the inside to ease the connection.
Parameter Value Unit
side A length 15 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 14 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 32–15 mm (Length: 60 mm) (📦 #4368)

1 object(s) - format STL
Tube adapter STL file ⌀ 32–15 mm (Length: 60 mm)
Straight tube fitting ⌀32 mm to ⌀15 mm in STL 3D format. Length of this connector is 60 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 25 mm. The ends feature an internal fillet to make tube connection easier.
Parameter Value Unit
side A length 15 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 67–43 mm (Length: 89 mm) (📦 #5241)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 67–43 mm (Length: 89 mm)
Tube adapter ⌀67 mm to ⌀43 mm in STL 3D format. Length of this junction is 89 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 inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 67 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 43 mm
side B thickness 3 mm
transition length 29 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 32–15 mm (Length: 60 mm) (📦 #2442)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 32–15 mm (Length: 60 mm)
Tube coupler ⌀32 mm to ⌀15 mm in STL format. Length of this junction is 60 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 feature an internal fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 35–15 mm (Length: 55 mm) (📦 #3147)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 35–15 mm (Length: 55 mm)
Straight tube adapter ⌀35 mm to ⌀15 mm in STL 3D format. Length of this coupler is 55 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 5 mm, the smaller one of 30 mm. The ends are rounded on the inside.
Parameter Value Unit
side A length 5 mm
side A outer diameter 35 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 38–19 mm (Length: 50 mm) (📦 #2352)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 38–19 mm (Length: 50 mm)
Straight tube connector ⌀38 mm to ⌀19 mm in STL format. Final length of this fitting is 50 mm. The larger-diameter tube has a thickness of 2.9 mm and a sleeve length of 15 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 20 mm. The ends have a fillet on the inside to ease the connection.
Parameter Value Unit
side A length 15 mm
side A outer diameter 38 mm
side A thickness 2.9 mm
side B length 20 mm
side B outer diameter 19 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 120–32 mm (Length: 109 mm) (📦 #9119)

1 object(s) - format STL
Tubing adapter STL file ⌀ 120–32 mm (Length: 109 mm)
Tubing reducer ⌀120 mm to ⌀32 mm in STL 3D format. Total length of this reducer is 109 mm. The larger-diameter tube has a thickness of 3 mm and a length of 29 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 30 mm. The ends have a fillet on the inside.
Parameter Value Unit
side A length 29 mm
side A outer diameter 120 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 32 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 80–50 mm (Length: 60 mm) (📦 #8852)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 80–50 mm (Length: 60 mm)
Inline tube reducer ⌀80 mm to ⌀50 mm in STL format. Total length of this coupler is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends feature a fillet to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 30–15 mm (Length: 60 mm) (📦 #4682)

1 object(s) - format STL
Tubing adapter STL file ⌀ 30–15 mm (Length: 60 mm)
Tubing adapter ⌀30 mm to ⌀15 mm in STL 3D format. Final length of this junction is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 30 mm. The ends have a fillet on the inside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 30 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm) (📦 #2443)

1 object(s) - format STL
Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm)
Tube fitting ⌀32 mm to ⌀15 mm in STL format. Length of this junction is 50 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends feature an internal fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...