Custom Tubing adapter STL 3D file ⌀ 48–25 mm (Length: 90 mm) 📦#6238

STL Download STL 2
Create a new model expert
from scratch search for a model
Diameter adapter ⌀48 mm to ⌀25 mm in STL format. Total length of this junction is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 60 mm. The ends have no fillet.
Generation date: 2026-01-08
3D Model Tubing adapter STL 3D file ⌀ 48–25 mm (Length: 90 mm)

3D model download

Free
  • inline-tube-adapter-lenA15mm-d_model6238-nb0_dd{id}.stl : 2.5 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
No compliance warranty No compliance warranty
(attribution - commercial use allowed)
Safe download
Instant .zip download — no email, no account

Values for this model

This model was generated by the Inline tube adapter template, with the following values:
Parameter Value
#1 side A length 15 mm (≃0.59 in)
#2 side A outer diameter 48 mm (≃1 7/8 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 60 mm (≃2 3/8 in)
#5 side B outer diameter 25 mm (≃0.98 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 15 mm (≃0.59 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 44 mm (≃1.73 in)
inner diameter (side B) 21 mm (≃13/16 in)
total length 90 mm (≃3.54 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

Related 3D models

To search for a model based on your own parameters, go to the template page Inline tube adapter 

Tubing adapter STL file ⌀ 53–46 mm (Length: 100 mm) (📦 #8995)

1 object(s) - format STL
Tubing adapter STL file ⌀ 53–46 mm (Length: 100 mm)
Tube coupler ⌀53 mm to ⌀46 mm in STL 3D format. Length of this sleeve is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 60 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 53 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 46 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 52–45 mm (Length: 75 mm) (📦 #2154)

1 object(s) - format STL
Tube adapter STL file ⌀ 52–45 mm (Length: 75 mm)
Inline fitting ⌀52 mm to ⌀45 mm in STL 3D format. Length of this connector is 75 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 50 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 52 mm
side A thickness 2.5 mm
side B length 50 mm
side B outer diameter 45 mm
side B thickness 2.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 54–45 mm (Length: 75 mm) (📦 #2338)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 54–45 mm (Length: 75 mm)
Tube fitting ⌀54 mm to ⌀45 mm in STL format. Total length of this reducer is 75 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 50 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 54 mm
side A thickness 2.5 mm
side B length 50 mm
side B outer diameter 45 mm
side B thickness 2.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 68–39 mm (Length: 100 mm) (📦 #3160)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 68–39 mm (Length: 100 mm)
Tube junction ⌀68 mm to ⌀39 mm in STL format. Final 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 50 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 68 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 39 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 45–44 mm (Length: 70 mm) (📦 #3011)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 45–44 mm (Length: 70 mm)
Straight sleeve ⌀45 mm to ⌀44 mm in STL 3D format. Total length of this adapter 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 40 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 45 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 44 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 44–24 mm (Length: 90 mm) (📦 #2322)

1 object(s) - format STL
Tube adapter STL file ⌀ 44–24 mm (Length: 90 mm)
Straight tube adapter ⌀44 mm to ⌀24 mm in STL format. Length of this junction is 90 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 40 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 44 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 24 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 40–29 mm (Length: 90 mm) (📦 #2321)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 40–29 mm (Length: 90 mm)
Inline tube coupler ⌀40 mm to ⌀29 mm in STL 3D format. Total length of this connector 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 40 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 40 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 29 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 39–29 mm (Length: 90 mm) (📦 #2319)

1 object(s) - format STL
Tube adapter STL file ⌀ 39–29 mm (Length: 90 mm)
Tube coupler ⌀39 mm to ⌀29 mm in STL format. Final length of this coupler 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 40 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 39 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 29 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 55–50 mm (Length: 75 mm) (📦 #2339)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 55–50 mm (Length: 75 mm)
Straight tube coupler ⌀55 mm to ⌀50 mm in STL 3D format. Final length of this sleeve is 75 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 50 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 55 mm
side A thickness 2.5 mm
side B length 50 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 22–12 mm (Length: 70 mm) (📦 #4266)

1 object(s) - format STL
Tube adapter STL file ⌀ 22–12 mm (Length: 70 mm)
Tube junction ⌀22 mm to ⌀12 mm in STL 3D format. Length of this adapter 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 40 mm. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 22 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 64–42 mm (Length: 95 mm) (📦 #8094)

1 object(s) - format STL
Tubing adapter STL file ⌀ 64–42 mm (Length: 95 mm)
Straight tube connector ⌀64 mm to ⌀42 mm in STL 3D format. Total length of this junction is 95 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 35 mm, the smaller one of 50 mm. The ends are not rounded.
Parameter Value Unit
side A length 35 mm
side A outer diameter 64 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 42 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 23–7 mm (Length: 63 mm) (📦 #6196)

1 object(s) - format STL
Tubing adapter STL file ⌀ 23–7 mm (Length: 63 mm)
Tubing adapter ⌀23 mm to ⌀7 mm in STL 3D format. Final length of this junction is 63 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 7 mm, the smaller one of 38 mm. The ends are not rounded.
Parameter Value Unit
side A length 7 mm
side A outer diameter 23 mm
side A thickness 2 mm
side B length 38 mm
side B outer diameter 7 mm
side B thickness 2 mm
transition length 18 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 46–41 mm (Length: 95 mm) (📦 #8409)

1 object(s) - format STL
Tubing adapter STL file ⌀ 46–41 mm (Length: 95 mm)
Straight sleeve ⌀46 mm to ⌀41 mm in STL 3D format. Final length of this sleeve is 95 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 16 mm, the smaller one of 74 mm. The ends are raw.
Parameter Value Unit
side A length 16 mm
side A outer diameter 46 mm
side A thickness 3 mm
side B length 74 mm
side B outer diameter 41 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 50–45 mm (Length: 95 mm) (📦 #8082)

1 object(s) - format STL
Tubing adapter STL file ⌀ 50–45 mm (Length: 95 mm)
Inline tube junction ⌀50 mm to ⌀45 mm in STL 3D format. Final length of this connector is 95 mm. The larger-diameter tube has a thickness of 2 mm and a sleeve length of 35 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 50 mm. The ends are not rounded.
Parameter Value Unit
side A length 35 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 45 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 27–21 mm (Length: 137 mm) (📦 #3671)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 27–21 mm (Length: 137 mm)
Straight tube adapter ⌀27 mm to ⌀21 mm in STL 3D format. Length of this fitting is 137 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 31 mm, the smaller one of 71 mm. The ends have no fillet.
Parameter Value Unit
side A length 31 mm
side A outer diameter 27 mm
side A thickness 2 mm
side B length 71 mm
side B outer diameter 21 mm
side B thickness 2 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 33–10 mm (Length: 95 mm) (📦 #1522)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 33–10 mm (Length: 95 mm)
Straight tube coupler ⌀33 mm to ⌀10 mm in STL 3D format. Length of this connector is 95 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 50 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 33 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 10 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 25–21 mm (Length: 137 mm) (📦 #3668)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 25–21 mm (Length: 137 mm)
Diameter adapter ⌀25 mm to ⌀21 mm in STL 3D format. Total length of this adapter is 137 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 31 mm, the smaller one of 71 mm. The ends have no fillet.
Parameter Value Unit
side A length 31 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 71 mm
side B outer diameter 21 mm
side B thickness 2 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 50–29 mm (Length: 45 mm) (📦 #4761)

1 object(s) - format STL
Tube adapter STL file ⌀ 50–29 mm (Length: 45 mm)
Tubing adapter ⌀50 mm to ⌀29 mm in STL format. Final length of this adapter is 45 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 5 mm, the smaller one of 30 mm. The ends are raw.
Parameter Value Unit
side A length 5 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 29 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0.0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 50–30 mm (Length: 45 mm) (📦 #6641)

1 object(s) - format STL
Tube adapter STL file ⌀ 50–30 mm (Length: 45 mm)
Tube reducer ⌀50 mm to ⌀30 mm in STL format. Final length of this connector is 45 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 not rounded.
Parameter Value Unit
side A length 5 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 30 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 47–25 mm (Length: 90 mm) (📦 #10118)

1 object(s) - format STL
Tube adapter STL file ⌀ 47–25 mm (Length: 90 mm)
Tube fitting ⌀47 mm to ⌀25 mm in STL 3D format. Length of this adapter is 90 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 have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 47 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 30–26 mm (Length: 50 mm) (📦 #1109)

1 object(s) - format STL (3.5/5) 2 vote(s)
Tube adapter STL 3D file ⌀ 30–26 mm (Length: 50 mm)
Inline tube coupler ⌀30 mm to ⌀26 mm in STL format. Total length of this connector is 50 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 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 15 mm
side A outer diameter 30 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 26 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 39–30 mm (Length: 80 mm) (📦 #6726)

1 object(s) - format STL
Tube adapter STL file ⌀ 39–30 mm (Length: 80 mm)
Inline tubing adapter ⌀39 mm to ⌀30 mm in STL format. Final length of this connector is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 35 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 35 mm
side A outer diameter 39 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 30 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 50–45 mm (Length: 60 mm) (📦 #4751)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 50–45 mm (Length: 60 mm)
Inline tube adapter ⌀50 mm to ⌀45 mm in STL format. Length of this reducer 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 no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 45 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 39–31 mm (Length: 80 mm) (📦 #2553)

1 object(s) - format STL
Tube adapter STL file ⌀ 39–31 mm (Length: 80 mm)
Tube connector ⌀39 mm to ⌀31 mm in STL format. Length of this adapter is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 40 mm. The ends feature an external fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 39 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 31 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 80–24 mm (Length: 99 mm) (📦 #4128)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 80–24 mm (Length: 99 mm)
Inline tube adapter ⌀80 mm to ⌀24 mm in STL 3D format. Final length of this coupler is 99 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 49 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 49 mm
side B outer diameter 24 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 50–46 mm (Length: 90 mm) (📦 #3179)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 50–46 mm (Length: 90 mm)
Diameter adapter ⌀50 mm to ⌀46 mm in STL format. Final length of this coupler 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 35 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 46 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 36–35 mm (Length: 40 mm) (📦 #5750)

1 object(s) - format STL
Tube adapter STL file ⌀ 36–35 mm (Length: 40 mm)
Tube coupler ⌀36 mm to ⌀35 mm in STL 3D format. Final length of this coupler is 40 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 raw.
Parameter Value Unit
side A length 5 mm
side A outer diameter 36 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 35 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 70–62 mm (Length: 100 mm) (📦 #2254)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–62 mm (Length: 100 mm)
Straight tube adapter ⌀70 mm to ⌀62 mm in STL format. Length of this adapter 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 50 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 70 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 62 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 45–10 mm (Length: 97 mm) (📦 #1443)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 45–10 mm (Length: 97 mm)
Inline tube junction ⌀45 mm to ⌀10 mm in STL 3D format. Total length of this fitting is 97 mm. The larger-diameter tube has a thickness of 2.5 mm and a sleeve length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 37 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 45 mm
side A thickness 2.5 mm
side B length 37 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet