Custom Tube adapter STL 3D file ⌀ 78–34 mm (Length: 260 mm) 📦#6421

STL Download STL 2
Create a new model expert
from scratch search for a model
Tube connector ⌀78 mm to ⌀34 mm in STL format. Total length of this sleeve is 260 mm. The larger-diameter tube has a thickness of 2.5 mm and a length of 60 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 100 mm. The ends are not rounded.
Generation date: 2026-01-10
3D Model Tube adapter STL 3D file ⌀ 78–34 mm (Length: 260 mm)

3D model download

Free
  • inline-tube-adapter-lenA60mm-d_model6421-nb0_dd{id}.stl : 1.6 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 60 mm (≃2 3/8 in)
#2 side A outer diameter 78 mm (≃3 1/16 in)
#3 side A thickness 2.5 mm (≃0.10 in)
#4 side B length 100 mm (≃3 15/16 in)
#5 side B outer diameter 34 mm (≃1.34 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 100 mm (≃3 15/16 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 73 mm (≃2 7/8 in)
inner diameter (side B) 30 mm (≃1 3/16 in)
total length 260 mm (≃10 1/4 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 ⌀ 60–35 mm (Length: 240 mm) (📦 #2996)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–35 mm (Length: 240 mm)
Straight tube fitting ⌀60 mm to ⌀35 mm in STL 3D format. Length of this adapter is 240 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 80 mm, the smaller one of 80 mm as well. The ends are raw.
Parameter Value Unit
side A length 80 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 80 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 150–50 mm (Length: 260 mm) (📦 #2815)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 150–50 mm (Length: 260 mm)
Inline tube junction ⌀150 mm to ⌀50 mm in STL format. Final length of this reducer is 260 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 80 mm, the smaller one of 80 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 80 mm
side A outer diameter 150 mm
side A thickness 3 mm
side B length 80 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 100–71 mm (Length: 190 mm) (📦 #3070)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 100–71 mm (Length: 190 mm)
Tubing reducer ⌀100 mm to ⌀71 mm in STL format. Final length of this fitting is 190 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 70 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 70 mm
side B outer diameter 71 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 104–32 mm (Length: 180 mm) (📦 #7375)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 104–32 mm (Length: 180 mm)
Straight tube coupler ⌀104 mm to ⌀32 mm in STL 3D format. Total length of this adapter is 180 mm. The thickness of the tubes is identical: 2 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 104 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 32 mm
side B thickness 2 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 104–50 mm (Length: 180 mm) (📦 #7378)

1 object(s) - format STL
Tube adapter STL file ⌀ 104–50 mm (Length: 180 mm)
Tube adapter ⌀104 mm to ⌀50 mm in STL format. Length of this fitting is 180 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 27–23 mm (Length: 192 mm) (📦 #3896)

1 object(s) - format STL
Tube adapter STL file ⌀ 27–23 mm (Length: 192 mm)
Tube junction ⌀27 mm to ⌀23 mm in STL format. Length of this fitting is 192 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 61 mm, the smaller one of 71 mm. The ends are raw.
Parameter Value Unit
side A length 61 mm
side A outer diameter 27 mm
side A thickness 2 mm
side B length 71 mm
side B outer diameter 23 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 76–30 mm (Length: 170 mm) (📦 #3914)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 76–30 mm (Length: 170 mm)
Tube coupler ⌀76 mm to ⌀30 mm in STL 3D format. Total length of this coupler is 170 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 are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 76 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 30 mm
side B thickness 3 mm
transition length 90 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–76 mm (Length: 185 mm) (📦 #5446)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–76 mm (Length: 185 mm)
Tube junction ⌀100 mm to ⌀76 mm in STL format. Total length of this reducer is 185 mm. The larger-diameter tube has a thickness of 3 mm and a length of 60 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 50 mm. The ends are raw.
Parameter Value Unit
side A length 60 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 76 mm
side B thickness 2 mm
transition length 75 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 27–23 mm (Length: 162 mm) (📦 #3739)

1 object(s) - format STL
Tube adapter STL file ⌀ 27–23 mm (Length: 162 mm)
Inline tube junction ⌀27 mm to ⌀23 mm in STL format. Length of this junction is 162 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 23 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 100–76 mm (Length: 185 mm) (📦 #5456)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–76 mm (Length: 185 mm)
Diameter adapter ⌀100 mm to ⌀76 mm in STL 3D format. Final length of this connector is 185 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 60 mm, the smaller one of 50 mm. The ends are not rounded.
Parameter Value Unit
side A length 60 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 76 mm
side B thickness 3 mm
transition length 75 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 19–18 mm (Length: 190 mm) (📦 #8304)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 19–18 mm (Length: 190 mm)
Inline tube adapter ⌀19 mm to ⌀18 mm in STL format. Total length of this adapter is 190 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 45 mm, the smaller one of 45 mm as well. The ends are raw.
Parameter Value Unit
side A length 45 mm
side A outer diameter 19 mm
side A thickness 3 mm
side B length 45 mm
side B outer diameter 18 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–60 mm (Length: 180 mm) (📦 #1414)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–60 mm (Length: 180 mm)
Tube junction ⌀100 mm to ⌀60 mm in STL format. Total length of this junction is 180 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 60 mm, the smaller one of 60 mm as well. The ends feature an external fillet.
Parameter Value Unit
side A length 60 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 60 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 102–60 mm (Length: 253 mm) (📦 #2774)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 102–60 mm (Length: 253 mm)
Straight tubing adapter ⌀102 mm to ⌀60 mm in STL format. Length of this reducer is 253 mm. The thickness of the tubes is identical: 4.5 mm. The larger-diameter tube has a length of 89 mm, the smaller one of 88 mm. The ends are raw.
Parameter Value Unit
side A length 89 mm
side A outer diameter 102 mm
side A thickness 4.5 mm
side B length 88 mm
side B outer diameter 60 mm
side B thickness 4.5 mm
transition length 76 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 60–26 mm (Length: 180 mm) (📦 #2655)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–26 mm (Length: 180 mm)
Inline sleeve ⌀60 mm to ⌀26 mm in STL format. Total length of this coupler is 180 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 have a fillet on the outside.
Parameter Value Unit
side A length 40 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 26 mm
side B thickness 3 mm
transition length 100 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 77–30 mm (Length: 140 mm) (📦 #3916)

1 object(s) - format STL
Tubing adapter STL file ⌀ 77–30 mm (Length: 140 mm)
Tube fitting ⌀77 mm to ⌀30 mm in STL format. Length of this sleeve is 140 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 are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 77 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 30 mm
side B thickness 3 mm
transition length 60 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 73–51 mm (Length: 150 mm) (📦 #4227)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 73–51 mm (Length: 150 mm)
Tube reducer ⌀73 mm to ⌀51 mm in STL format. Length of this coupler is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 50 mm as well. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 73 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 51 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 99–49 mm (Length: 150 mm) (📦 #9481)

1 object(s) - format STL
Tubing adapter STL file ⌀ 99–49 mm (Length: 150 mm)
Straight tube connector ⌀99 mm to ⌀49 mm in STL format. Total length of this coupler is 150 mm. The thickness of the tubes is identical: 2 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 99 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 49 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 111–56 mm (Length: 160 mm) (📦 #7462)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 111–56 mm (Length: 160 mm)
Straight tubing adapter ⌀111 mm to ⌀56 mm in STL format. Total length of this coupler is 160 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 70 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 111 mm
side A thickness 3 mm
side B length 70 mm
side B outer diameter 56 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 109–42 mm (Length: 150 mm) (📦 #7591)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 109–42 mm (Length: 150 mm)
Straight tube reducer ⌀109 mm to ⌀42 mm in STL 3D format. Length of this adapter 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 are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 109 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 42 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 109–45 mm (Length: 150 mm) (📦 #7573)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 109–45 mm (Length: 150 mm)
Tubing adapter ⌀109 mm to ⌀45 mm in STL 3D format. Total length of this coupler 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 are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 109 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 45 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 150–5 mm (Length: 280 mm) (📦 #1703)

1 object(s) - format STL
Tube adapter STL file ⌀ 150–5 mm (Length: 280 mm)
Straight tube reducer ⌀150 mm to ⌀5 mm in STL 3D format. Total length of this connector is 280 mm. The larger-diameter tube has a thickness of 2.5 mm and a sleeve length of 60 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 70 mm. The ends have a fillet on the outside.
Parameter Value Unit
side A length 60 mm
side A outer diameter 150 mm
side A thickness 2.5 mm
side B length 70 mm
side B outer diameter 5 mm
side B thickness 2 mm
transition length 150 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 50–32 mm (Length: 150 mm) (📦 #7734)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 50–32 mm (Length: 150 mm)
Tube reducer ⌀50 mm to ⌀32 mm in STL 3D format. Total length of this fitting is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends are rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 50 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 50 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...

Tube adapter STL file ⌀ 45–35 mm (Length: 155 mm) (📦 #5340)

1 object(s) - format STL
Tube adapter STL file ⌀ 45–35 mm (Length: 155 mm)
Tube adapter ⌀45 mm to ⌀35 mm in STL 3D format. Total length of this sleeve is 155 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 100 mm. The ends have no fillet.
Parameter Value Unit
side A length 5 mm
side A outer diameter 45 mm
side A thickness 2 mm
side B length 100 mm
side B outer diameter 35 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 24–14 mm (Length: 150 mm) (📦 #9826)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 24–14 mm (Length: 150 mm)
Diameter adapter ⌀24 mm to ⌀14 mm in STL 3D format. Length of this sleeve is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 24 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 14 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 80–35 mm (Length: 240 mm) (📦 #6458)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–35 mm (Length: 240 mm)
Straight tube fitting ⌀80 mm to ⌀35 mm in STL 3D format. Total length of this coupler is 240 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 60 mm. The smaller-diameter tube has a thickness of 2.5 mm and a length of 80 mm. The ends are rounded to ease the connection.
Parameter Value Unit
side A length 60 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 80 mm
side B outer diameter 35 mm
side B thickness 2.5 mm
transition length 100 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL 3D file ⌀ 100–78 mm (Length: 150 mm) (📦 #9482)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 100–78 mm (Length: 150 mm)
Tube reducer ⌀100 mm to ⌀78 mm in STL format. Final length of this fitting is 150 mm. The thickness of the tubes is identical: 2 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 100 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet