Custom Tube adapter STL 3D file ⌀ 198–56 mm (Length: 70 mm) 📦#3101

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Inline fitting ⌀198 mm to ⌀56 mm in STL 3D format. Final length of this reducer is 70 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The ends are raw.
Generation date: 2025-11-07
3D Model Tube adapter STL 3D file ⌀ 198–56 mm (Length: 70 mm)

3D model download

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  • inline-tube-adapter-lenA25mm-d_model3101-nb0_dd{id}.stl : 8.9 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 25 mm (≃0.98 in)
#2 side A outer diameter 198 mm (≃7.80 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 25 mm (≃0.98 in)
#5 side B outer diameter 56 mm (≃2.20 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 20 mm (≃0.79 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 192 mm (≃7 9/16 in)
inner diameter (side B) 50 mm (≃1.97 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

Related 3D models

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

Tube adapter STL file ⌀ 200–50 mm (Length: 80 mm) (📦 #1483)

1 object(s) - format STL
Tube adapter STL file ⌀ 200–50 mm (Length: 80 mm)
Tube reducer ⌀200 mm to ⌀50 mm in STL 3D format. Total 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 no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 200 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 160–80 mm (Length: 90 mm) (📦 #9715)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 160–80 mm (Length: 90 mm)
Straight tube coupler ⌀160 mm to ⌀80 mm in STL 3D format. Length of this reducer is 90 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 are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 160 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 160–80 mm (Length: 65 mm) (📦 #9584)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 160–80 mm (Length: 65 mm)
Inline tube junction ⌀160 mm to ⌀80 mm in STL format. Length of this reducer is 65 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 no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 160 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 200–100 mm (Length: 80 mm) (📦 #1536)

1 object(s) - format STL
Tube adapter STL file ⌀ 200–100 mm (Length: 80 mm)
Inline fitting ⌀200 mm to ⌀100 mm in STL 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 no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 200 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 160–72 mm (Length: 100 mm) (📦 #8275)

1 object(s) - format STL
Tube adapter STL file ⌀ 160–72 mm (Length: 100 mm)
Straight tubing adapter ⌀160 mm to ⌀72 mm in STL 3D format. Length of this connector is 100 mm. The larger-diameter tube has a thickness of 3 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 30 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 160 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 72 mm
side B thickness 4 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 159–72 mm (Length: 100 mm) (📦 #8276)

1 object(s) - format STL
Tube adapter STL file ⌀ 159–72 mm (Length: 100 mm)
Diameter adapter ⌀159 mm to ⌀72 mm in STL format. Final length of this coupler is 100 mm. The larger-diameter tube has a thickness of 3 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 30 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 159 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 72 mm
side B thickness 4 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 160–80 mm (Length: 100 mm) (📦 #8274)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 160–80 mm (Length: 100 mm)
Straight sleeve ⌀160 mm to ⌀80 mm in STL 3D format. Final length of this reducer is 100 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 30 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 160 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 4 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 140–75 mm (Length: 65 mm) (📦 #9600)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 140–75 mm (Length: 65 mm)
Straight sleeve ⌀140 mm to ⌀75 mm in STL 3D format. Final length of this fitting is 65 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 no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 140 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 137–80 mm (Length: 75 mm) (📦 #9197)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 137–80 mm (Length: 75 mm)
Inline tubing adapter ⌀137 mm to ⌀80 mm in STL format. Final length of this fitting 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 20 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 137 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 200–100 mm (Length: 90 mm) (📦 #7844)

1 object(s) - format STL
Tube adapter STL file ⌀ 200–100 mm (Length: 90 mm)
Tubing adapter ⌀200 mm to ⌀100 mm in STL 3D format. Final length of this adapter is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 30 mm. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 200 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 156–100 mm (Length: 60 mm) (📦 #8692)

1 object(s) - format STL
Tubing adapter STL file ⌀ 156–100 mm (Length: 60 mm)
Tube junction ⌀156 mm to ⌀100 mm in STL format. Total length of this fitting 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 no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 156 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 160–80 mm (Length: 120 mm) (📦 #9714)

1 object(s) - format STL
Tubing adapter STL file ⌀ 160–80 mm (Length: 120 mm)
Straight tube reducer ⌀160 mm to ⌀80 mm in STL 3D format. Final 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 raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 160 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 225–80 mm (Length: 45 mm) (📦 #2952)

1 object(s) - format STL
Tube adapter STL file ⌀ 225–80 mm (Length: 45 mm)
Inline tube junction ⌀225 mm to ⌀80 mm in STL 3D format. Final length of this fitting is 45 mm. The larger-diameter tube has a thickness of 4 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 20 mm as well. The axes of the tubes are offset by 1 mm. The ends have a fillet on the outside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 225 mm
side A thickness 4 mm
side B length 20 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 5 mm
axis offset 1 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 250–60 mm (Length: 80 mm) (📦 #1843)

1 object(s) - format STL
Tube adapter STL file ⌀ 250–60 mm (Length: 80 mm)
Inline tube reducer ⌀250 mm to ⌀60 mm in STL format. Length of this reducer 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 20 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 250 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 250–100 mm (Length: 80 mm) (📦 #1537)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 250–100 mm (Length: 80 mm)
Inline fitting ⌀250 mm to ⌀100 mm in STL format. Total 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 no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 250 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 250–100 mm (Length: 90 mm) (📦 #6267)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 250–100 mm (Length: 90 mm)
Straight tube fitting ⌀250 mm to ⌀100 mm in STL 3D format. Length of this fitting is 90 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 raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 250 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 250–50 mm (Length: 80 mm) (📦 #3849)

1 object(s) - format STL
Tube adapter STL file ⌀ 250–50 mm (Length: 80 mm)
Straight tube connector ⌀250 mm to ⌀50 mm in STL 3D format. Final length of this coupler is 80 mm. The larger-diameter tube has a thickness of 5 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 250 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 156–98 mm (Length: 75 mm) (📦 #7279)

1 object(s) - format STL
Tubing adapter STL file ⌀ 156–98 mm (Length: 75 mm)
Tube coupler ⌀156 mm to ⌀98 mm in STL format. Final length of this fitting 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 30 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 156 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 98 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 126–85 mm (Length: 71 mm) (📦 #5546)

1 object(s) - format STL
Tubing adapter STL file ⌀ 126–85 mm (Length: 71 mm)
Straight tube reducer ⌀126 mm to ⌀85 mm in STL format. Final length of this fitting is 71 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 27 mm, the smaller one of 31 mm. The ends are not rounded.
Parameter Value Unit
side A length 27 mm
side A outer diameter 126 mm
side A thickness 3 mm
side B length 31 mm
side B outer diameter 85 mm
side B thickness 3 mm
transition length 13 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 153–80 mm (Length: 90 mm) (📦 #7469)

1 object(s) - format STL
Tube adapter STL file ⌀ 153–80 mm (Length: 90 mm)
Inline tube reducer ⌀153 mm to ⌀80 mm in STL format. Final length of this reducer is 90 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 are rounded on the outside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 153 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 150–30 mm (Length: 110 mm) (📦 #4716)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 150–30 mm (Length: 110 mm)
Inline tube reducer ⌀150 mm to ⌀30 mm in STL format. Length of this reducer is 110 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 have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 150 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 30 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 150–66 mm (Length: 120 mm) (📦 #6876)

1 object(s) - format STL
Tube adapter STL file ⌀ 150–66 mm (Length: 120 mm)
Straight tube reducer ⌀150 mm to ⌀66 mm in STL format. Length of this fitting is 120 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 raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 150 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 66 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 154–80 mm (Length: 90 mm) (📦 #7468)

1 object(s) - format STL
Tube adapter STL file ⌀ 154–80 mm (Length: 90 mm)
Inline tube adapter ⌀154 mm to ⌀80 mm in STL 3D format. Total length of this fitting is 90 mm. The larger-diameter tube has a thickness of 3.9 mm and a sleeve length of 30 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 30 mm as well. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 154 mm
side A thickness 3.9 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 4 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 135–100 mm (Length: 60 mm) (📦 #8606)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 135–100 mm (Length: 60 mm)
Inline tube adapter ⌀135 mm to ⌀100 mm in STL 3D format. Total length of this fitting is 60 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 no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 135 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 126–91 mm (Length: 71 mm) (📦 #5568)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 126–91 mm (Length: 71 mm)
Diameter adapter ⌀126 mm to ⌀91 mm in STL 3D format. Total length of this sleeve is 71 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 27 mm, the smaller one of 31 mm. The ends have no fillet.
Parameter Value Unit
side A length 27 mm
side A outer diameter 126 mm
side A thickness 3 mm
side B length 31 mm
side B outer diameter 91 mm
side B thickness 3 mm
transition length 13 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 160–110 mm (Length: 65 mm) (📦 #2288)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 160–110 mm (Length: 65 mm)
Tube adapter ⌀160 mm to ⌀110 mm in STL 3D format. Total length of this fitting is 65 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 raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 160 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 110 mm
side B thickness 3 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 120–80 mm (Length: 90 mm) (📦 #5519)

1 object(s) - format STL
Tube adapter STL file ⌀ 120–80 mm (Length: 90 mm)
Tube adapter ⌀120 mm to ⌀80 mm in STL 3D format. Final length of this connector is 90 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 are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 120 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 123–92 mm (Length: 70 mm) (📦 #7012)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 123–92 mm (Length: 70 mm)
Tube fitting ⌀123 mm to ⌀92 mm in STL 3D format. Length of this connector is 70 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 are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 123 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 92 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 123–92 mm (Length: 75 mm) (📦 #7395)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 123–92 mm (Length: 75 mm)
Inline fitting ⌀123 mm to ⌀92 mm in STL format. Length of this fitting is 75 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 123 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 92 mm
side B thickness 3 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet