Custom Tubing adapter STL 3D file ⌀ 43–33 mm (Length: 88 mm) 📦#5244

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Straight tube coupler ⌀43 mm to ⌀33 mm in STL format. Total length of this reducer is 88 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 29 mm. The ends feature an internal fillet to facilitate the connection of the two tubes.
Generation date: 2025-12-24
3D Model Tubing adapter STL 3D file ⌀ 43–33 mm (Length: 88 mm)

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  • inline-tube-adapter-lenA30mm-d_model5244-nb0_dd{id}.stl : 3.8 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 43 mm (≃1 11/16 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 29 mm (≃1.14 in)
#5 side B outer diameter 33 mm (≃1 5/16 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 29 mm (≃1.14 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the inside
Metadata Value
inner diameter (side A) 37 mm (≃1.46 in)
inner diameter (side B) 27 mm (≃1 1/16 in)
total length 88 mm (≃3.46 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 file ⌀ 44–35 mm (Length: 88 mm) (📦 #5253)

1 object(s) - format STL
Tube adapter STL file ⌀ 44–35 mm (Length: 88 mm)
Inline sleeve ⌀44 mm to ⌀35 mm in STL 3D format. Length of this sleeve is 88 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 29 mm. The ends have a fillet on the inside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 44 mm
side A thickness 3 mm
side B length 29 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 29 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 40–35 mm (Length: 79 mm) (📦 #5081)

1 object(s) - format STL
Tube adapter STL file ⌀ 40–35 mm (Length: 79 mm)
Inline tubing adapter ⌀40 mm to ⌀35 mm in STL 3D format. Final length of this junction is 79 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 29 mm. The ends are rounded on the inside to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 40 mm
side A thickness 3 mm
side B length 29 mm
side B outer diameter 35 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...

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 ⌀ 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...

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 3D file ⌀ 41–33 mm (Length: 100 mm) (📦 #5928)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 41–33 mm (Length: 100 mm)
Tube fitting ⌀41 mm to ⌀33 mm in STL 3D format. Total length of this connector is 100 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 have a fillet on the inside.
Parameter Value Unit
side A length 40 mm
side A outer diameter 41 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 33 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 63–46 mm (Length: 68 mm) (📦 #4957)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 63–46 mm (Length: 68 mm)
Inline tube reducer ⌀63 mm to ⌀46 mm in STL format. Final length of this fitting is 68 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 18 mm. 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 63 mm
side A thickness 3 mm
side B length 18 mm
side B outer diameter 46 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 54–39 mm (Length: 120 mm) (📦 #6800)

1 object(s) - format STL
Tubing adapter STL file ⌀ 54–39 mm (Length: 120 mm)
Tubing reducer ⌀54 mm to ⌀39 mm in STL 3D format. Length of this connector is 120 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 rounded on the inside.
Parameter Value Unit
side A length 40 mm
side A outer diameter 54 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 39 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 63–43 mm (Length: 78 mm) (📦 #4948)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 63–43 mm (Length: 78 mm)
Tube adapter ⌀63 mm to ⌀43 mm in STL 3D format. Final length of this fitting is 78 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 18 mm. The ends have a fillet on the inside to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 63 mm
side A thickness 3 mm
side B length 18 mm
side B outer diameter 43 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 56–50 mm (Length: 100 mm) (📦 #3303)

1 object(s) - format STL
Tubing adapter STL file ⌀ 56–50 mm (Length: 100 mm)
Straight tube coupler ⌀56 mm to ⌀50 mm in STL 3D format. Length of this sleeve is 100 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 feature an internal fillet to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 56 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 22–17 mm (Length: 55 mm) (📦 #8272)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 22–17 mm (Length: 55 mm)
Diameter adapter ⌀22 mm to ⌀17 mm in STL 3D format. Total length of this fitting is 55 mm. The larger-diameter tube has a thickness of 2.9 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 15 mm. The ends are rounded on the inside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 22 mm
side A thickness 2.9 mm
side B length 15 mm
side B outer diameter 17 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 37–34 mm (Length: 90 mm) (📦 #5893)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 37–34 mm (Length: 90 mm)
Straight sleeve ⌀37 mm to ⌀34 mm in STL 3D format. Length of this coupler is 90 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 feature an internal fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 40 mm
side A outer diameter 37 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 34 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 38–36 mm (Length: 110 mm) (📦 #4053)

1 object(s) - format STL
Tube adapter STL file ⌀ 38–36 mm (Length: 110 mm)
Inline fitting ⌀38 mm to ⌀36 mm in STL 3D format. Final length of this adapter is 110 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 40 mm as well. The ends are rounded on the inside.
Parameter Value Unit
side A length 40 mm
side A outer diameter 38 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 36 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 27–16 mm (Length: 60 mm) (📦 #9909)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 27–16 mm (Length: 60 mm)
Tube reducer ⌀27 mm to ⌀16 mm in STL 3D format. Total length of this reducer is 60 mm. The thickness of the tubes is identical: 3 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 27 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 16 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 51–35 mm (Length: 80 mm) (📦 #1290)

1 object(s) - format STL
Tube adapter STL file ⌀ 51–35 mm (Length: 80 mm)
Tube reducer ⌀51 mm to ⌀35 mm in STL 3D 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 a fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 51 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 56–35 mm (Length: 80 mm) (📦 #6630)

1 object(s) - format STL
Tube adapter STL file ⌀ 56–35 mm (Length: 80 mm)
Tubing adapter ⌀56 mm to ⌀35 mm in STL format. 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 a fillet to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 56 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL file ⌀ 25–20 mm (Length: 45 mm) (📦 #1101)

1 object(s) - format STL
Tube adapter STL file ⌀ 25–20 mm (Length: 45 mm)
Tube fitting ⌀25 mm to ⌀20 mm in STL 3D format. Length of this reducer is 45 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 15 mm as well. The ends feature an internal fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 15 mm
side A outer diameter 25 mm
side A thickness 3 mm
side B length 15 mm
side B outer diameter 20 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 57–37 mm (Length: 80 mm) (📦 #6650)

1 object(s) - format STL
Tubing adapter STL file ⌀ 57–37 mm (Length: 80 mm)
Inline tube coupler ⌀57 mm to ⌀37 mm in STL format. 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 to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 57 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 37 mm
side B thickness 3 mm
transition length 20 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 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...

Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm) (📦 #2441)

1 object(s) - format STL
Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm)
Inline tube reducer ⌀32 mm to ⌀15 mm in STL format. Length of this adapter is 50 mm. The thickness of the tubes is identical: 3.5 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 3.5 mm
side B length 20 mm
side B outer diameter 15 mm
side B thickness 3.5 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 40–35 mm (Length: 130 mm) (📦 #4500)

1 object(s) - format STL
Tubing adapter STL file ⌀ 40–35 mm (Length: 130 mm)
Tube junction ⌀40 mm to ⌀35 mm in STL 3D format. Total length of this coupler is 130 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 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 40 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 82–63 mm (Length: 75 mm) (📦 #2117)

1 object(s) - format STL
Tube adapter STL file ⌀ 82–63 mm (Length: 75 mm)
Straight sleeve ⌀82 mm to ⌀63 mm in STL format. Length of this junction is 75 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 25 mm as well. The ends have a fillet on the inside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 82 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 63 mm
side B thickness 3 mm
transition length 25 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 39–35 mm (Length: 60 mm) (📦 #4018)

1 object(s) - format STL
Tube adapter STL file ⌀ 39–35 mm (Length: 60 mm)
Straight tubing adapter ⌀39 mm to ⌀35 mm in STL format. Total length of this reducer is 60 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends have a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 39 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

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...

Tube adapter STL 3D file ⌀ 35–34 mm (Length: 100 mm) (📦 #2033)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 35–34 mm (Length: 100 mm)
Tube reducer ⌀35 mm to ⌀34 mm in STL 3D format. Final length of this adapter is 100 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 feature a fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 35 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 34 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on bo...

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...