Custom Tubing adapter STL file ⌀ 168–80 mm (Length: 140 mm) 📦#9601

STL Download STL 1
Create a new model expert
from scratch search for a model
Straight tube coupler ⌀168 mm to ⌀80 mm in STL format. Length of this fitting is 140 mm. The larger-diameter tube has a thickness of 4 mm and a length of 40 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 40 mm as well. The ends are raw.
Generation date: 2026-06-23
3D Model Tubing adapter STL file ⌀ 168–80 mm (Length: 140 mm)

3D model download

Free
  • inline-tube-adapter-lenA40mm-d_model9601-nb0_dd{id}.stl : 3.8 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 40 mm (≃1 9/16 in)
#2 side A outer diameter 168 mm (≃6 5/8 in)
#3 side A thickness 4 mm (≃0.16 in)
#4 side B length 40 mm (≃1 9/16 in)
#5 side B outer diameter 80 mm (≃3.15 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 60 mm (≃2 3/8 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 160 mm (≃6 5/16 in)
inner diameter (side B) 74 mm (≃2.91 in)
total length 140 mm (≃5 1/2 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 3D file ⌀ 150–75 mm (Length: 150 mm) (📦 #1797)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 150–75 mm (Length: 150 mm)
Straight tube reducer ⌀150 mm to ⌀75 mm in STL format. Total length of this sleeve is 150 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 not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 150 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 154–102 mm (Length: 120 mm) (📦 #8350)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 154–102 mm (Length: 120 mm)
Straight tube connector ⌀154 mm to ⌀102 mm in STL format. Length of this connector is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 35 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 35 mm
side A outer diameter 154 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 102 mm
side B thickness 3 mm
transition length 50 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 3D file ⌀ 150–96 mm (Length: 150 mm) (📦 #1468)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 150–96 mm (Length: 150 mm)
Straight sleeve ⌀150 mm to ⌀96 mm in STL format. Length of this junction is 150 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 have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 150 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 96 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 180–60 mm (Length: 150 mm) (📦 #1424)

1 object(s) - format STL
Tube adapter STL file ⌀ 180–60 mm (Length: 150 mm)
Straight sleeve ⌀180 mm to ⌀60 mm in STL 3D format. Final length of this junction is 150 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 30 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 180 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 60 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 154–98 mm (Length: 120 mm) (📦 #8341)

1 object(s) - format STL
Tube adapter STL file ⌀ 154–98 mm (Length: 120 mm)
Tube reducer ⌀154 mm to ⌀98 mm in STL 3D format. Final length of this sleeve is 120 mm. The larger-diameter tube has a thickness of 3 mm and a length of 35 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 35 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 35 mm
side A outer diameter 154 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 98 mm
side B thickness 4 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 154–99 mm (Length: 120 mm) (📦 #8348)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 154–99 mm (Length: 120 mm)
Straight tubing adapter ⌀154 mm to ⌀99 mm in STL 3D format. Total length of this coupler is 120 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 35 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 35 mm as well. The ends are raw.
Parameter Value Unit
side A length 35 mm
side A outer diameter 154 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 99 mm
side B thickness 4 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 142–100 mm (Length: 150 mm) (📦 #7569)

1 object(s) - format STL
Tube adapter STL file ⌀ 142–100 mm (Length: 150 mm)
Inline tube coupler ⌀142 mm to ⌀100 mm in STL 3D format. Total length of this reducer is 150 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 142 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 154–107 mm (Length: 120 mm) (📦 #8347)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 154–107 mm (Length: 120 mm)
Tube coupler ⌀154 mm to ⌀107 mm in STL format. Total length of this sleeve is 120 mm. The larger-diameter tube has a thickness of 3 mm and a length of 35 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 35 mm as well. The ends are raw.
Parameter Value Unit
side A length 35 mm
side A outer diameter 154 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 107 mm
side B thickness 4 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 183–90 mm (Length: 117 mm) (📦 #1959)

1 object(s) - format STL
Tube adapter STL file ⌀ 183–90 mm (Length: 117 mm)
Tube adapter ⌀183 mm to ⌀90 mm in STL 3D format. Length of this sleeve is 117 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 17 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 183 mm
side A thickness 3 mm
side B length 17 mm
side B outer diameter 90 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 154–108 mm (Length: 120 mm) (📦 #8337)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 154–108 mm (Length: 120 mm)
Inline tube reducer ⌀154 mm to ⌀108 mm in STL 3D format. Total length of this adapter is 120 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 35 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 35 mm as well. The ends are raw.
Parameter Value Unit
side A length 35 mm
side A outer diameter 154 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 108 mm
side B thickness 4 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 153–108 mm (Length: 120 mm) (📦 #8336)

1 object(s) - format STL
Tube adapter STL file ⌀ 153–108 mm (Length: 120 mm)
Straight tube coupler ⌀153 mm to ⌀108 mm in STL format. Final length of this coupler is 120 mm. The larger-diameter tube has a thickness of 3 mm and a length of 35 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 35 mm as well. The ends are raw.
Parameter Value Unit
side A length 35 mm
side A outer diameter 153 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 108 mm
side B thickness 4 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 150–100 mm (Length: 100 mm) (📦 #2728)

1 object(s) - format STL
Tube adapter STL file ⌀ 150–100 mm (Length: 100 mm)
Straight tube fitting ⌀150 mm to ⌀100 mm in STL 3D format. Length of this adapter is 100 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 have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 150 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 3 mm
transition length 50 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 ⌀ 154–108 mm (Length: 117 mm) (📦 #8345)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 154–108 mm (Length: 117 mm)
Tube fitting ⌀154 mm to ⌀108 mm in STL 3D format. Final length of this sleeve is 117 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 35 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 35 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 35 mm
side A outer diameter 154 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 108 mm
side B thickness 4 mm
transition length 47 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

Tube adapter STL 3D file ⌀ 151–97 mm (Length: 155 mm) (📦 #9139)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 151–97 mm (Length: 155 mm)
Straight tube fitting ⌀151 mm to ⌀97 mm in STL 3D format. Length of this sleeve is 155 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 65 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 151 mm
side A thickness 3 mm
side B length 65 mm
side B outer diameter 97 mm
side B thickness 3 mm
transition length 65 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 145–80 mm (Length: 150 mm) (📦 #9184)

1 object(s) - format STL
Tube adapter STL file ⌀ 145–80 mm (Length: 150 mm)
Tube adapter ⌀145 mm to ⌀80 mm in STL format. Final length of this fitting is 150 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 30 mm. The ends have a fillet on the outside to make tube connection easier.
Parameter Value Unit
side A length 50 mm
side A outer diameter 145 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 140–100 mm (Length: 110 mm) (📦 #7137)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 140–100 mm (Length: 110 mm)
Inline tube junction ⌀140 mm to ⌀100 mm in STL format. Length of this junction is 110 mm. The thickness of the tubes is identical: 2.5 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 140 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 100 mm
side B thickness 2.5 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 147–105 mm (Length: 125 mm) (📦 #8333)

1 object(s) - format STL
Tube adapter STL file ⌀ 147–105 mm (Length: 125 mm)
Diameter adapter ⌀147 mm to ⌀105 mm in STL 3D format. Final length of this reducer is 125 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 40 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length 35 mm
side A outer diameter 147 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 105 mm
side B thickness 4 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 151–106 mm (Length: 153 mm) (📦 #9138)

1 object(s) - format STL
Tubing adapter STL file ⌀ 151–106 mm (Length: 153 mm)
Inline tube junction ⌀151 mm to ⌀106 mm in STL format. Total length of this coupler is 153 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 65 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 151 mm
side A thickness 3 mm
side B length 65 mm
side B outer diameter 106 mm
side B thickness 3 mm
transition length 63 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 ⌀ 110–75 mm (Length: 110 mm) (📦 #6669)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 110–75 mm (Length: 110 mm)
Inline tube coupler ⌀110 mm to ⌀75 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 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 110 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet