Custom Tube adapter STL 3D file ⌀ 78–76 mm (Length: 80 mm) 📦#9659

STL Download STL 1
Create a new model expert
from scratch search for a model
Tube fitting ⌀78 mm to ⌀76 mm in STL 3D format. Total length of this fitting is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 20 mm. The ends have no fillet.
Generation date: 2026-06-26
3D Model Tube adapter STL 3D file ⌀ 78–76 mm (Length: 80 mm)

3D model download

Free
  • inline-tube-adapter-lenA40mm-d_model9659-nb0_dd{id}.stl : 320 Ko
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 78 mm (≃3 1/16 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 20 mm (≃0.79 in)
#5 side B outer diameter 76 mm (≃3 in)
#6 side B thickness 2 mm (≃0.08 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) 74 mm (≃2.91 in)
inner diameter (side B) 72 mm (≃2.83 in)
total length 80 mm (≃3.15 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 

Inline tube adapter ⌀76 mm to ⌀75 mm in STL format. Final length of this reducer is 80 mm. The thickness of the tubes is identical: 2 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 76 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 75 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Tubing reducer ⌀79 mm to ⌀78 mm in STL format. Length of this junction is 80 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 are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 79 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Tube connector ⌀77 mm to ⌀73 mm in STL format. Total length of this coupler is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a 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 77 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 73 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Straight tube reducer ⌀77 mm to ⌀72 mm in STL format. Total length of this coupler 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 raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 77 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 72 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Inline tube coupler ⌀77 mm to ⌀69 mm in STL format. Length of this reducer 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 have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 77 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 69 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Inline tube coupler ⌀85 mm to ⌀63 mm in STL format. Total length of this fitting is 80 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 are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 85 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 63 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Tube fitting ⌀77 mm to ⌀65 mm in STL 3D format. Final 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 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 77 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Inline sleeve ⌀75 mm to ⌀67 mm in STL format. Final length of this junction is 85 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 35 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 75 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 67 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Diameter adapter ⌀74 mm to ⌀67 mm in STL 3D format. Total length of this junction is 85 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 raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 74 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 67 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Straight tube coupler ⌀70 mm to ⌀68 mm in STL format. Length of this reducer is 70 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a 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 70 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 68 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet
Tubing adapter ⌀94 mm to ⌀90 mm in STL format. Final length of this junction is 80 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 are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 94 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 90 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Tube connector ⌀74 mm to ⌀64 mm in STL 3D format. Total length of this connector is 85 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 35 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 74 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 64 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Inline tube coupler ⌀80 mm to ⌀77 mm in STL format. Length of this adapter 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 20 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 77 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Tube connector ⌀84 mm to ⌀62 mm in STL format. Length of this reducer 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 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 84 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 62 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet
Inline tube junction ⌀86 mm to ⌀76 mm in STL 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 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 86 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 76 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Tube connector ⌀80 mm to ⌀60 mm in STL 3D format. Final length of this connector 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 are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Tubing reducer ⌀74 mm to ⌀60 mm in STL 3D format. Total length of this fitting 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 20 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 74 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Tubing reducer ⌀107 mm to ⌀80 mm in STL format. Length of this connector is 70 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 are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 107 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet
Inline fitting ⌀71 mm to ⌀68 mm in STL format. Total length of this reducer is 50 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 71 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 68 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet
Straight sleeve ⌀106 mm to ⌀85 mm in STL format. Final length of this adapter is 70 mm. The thickness of the tubes is identical: 2 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 106 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 85 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet
Tube fitting ⌀86 mm to ⌀66 mm in STL format. Length of this reducer 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 20 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 86 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 66 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet
Inline tubing adapter ⌀70 mm to ⌀49 mm in STL 3D format. Length of this connector is 85 mm. The thickness of the tubes is identical: 2 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 70 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 49 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet
Tubing adapter ⌀76 mm to ⌀63 mm in STL 3D format. Length of this fitting is 50 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 have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 76 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 63 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet
Straight sleeve ⌀102 mm to ⌀80 mm in STL format. Total length of this adapter 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 25 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 102 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet
Inline sleeve ⌀65 mm to ⌀55 mm in STL format. Final length of this fitting is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 65 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 55 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet
Inline tube junction ⌀73 mm to ⌀68 mm in STL 3D format. Length of this sleeve is 70 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 2 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 73 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 68 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet
Tube adapter ⌀85 mm to ⌀59 mm in STL format. Length of this fitting 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 not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 85 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 59 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet