Custom Tube adapter STL 3D file ⌀ 106–38 mm (Length: 120 mm) 📦#12374

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Inline tube reducer ⌀106 mm to ⌀38 mm in STL format. Final length of this sleeve is 120 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 40 mm as well. The axes of the tubes are offset by 6 mm. The ends are not rounded.
Generation date: 2026-10-07
3D Model Tube adapter STL 3D file ⌀ 106–38 mm (Length: 120 mm)

3D model download

Free
  • inline-tube-adapter-lenA40mm-d_model12374-nb0_dd{id}.stl : 2.3 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
No compliance warranty No compliance warranty
(attribution - commercial use allowed)
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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 40 mm (≃1 9/16 in)
#2 side A outer diameter 106 mm (≃4 3/16 in)
#3 side A thickness 5 mm (≃3/16 in)
#4 side B length 40 mm (≃1 9/16 in)
#5 side B outer diameter 38 mm (≃1 1/2 in)
#6 side B thickness 5 mm (≃3/16 in)
#7 transition length 40 mm (≃1 9/16 in)
#8 axis offset 6 mm (≃1/4 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 96 mm (≃3.78 in)
inner diameter (side B) 28 mm (≃1.10 in)
total length 120 mm (≃4.72 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 ⌀ 108–40 mm (Length: 100 mm) (📦 #12378)

1 object(s) - format STL
Tube adapter STL file ⌀ 108–40 mm (Length: 100 mm)
Tube reducer ⌀108 mm to ⌀40 mm in STL 3D format. Final length of this reducer is 100 mm. The thickness of the tubes is identical: 5 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 108 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 40 mm
side B thickness 5 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 94–54 mm (Length: 120 mm) (📦 #5858)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 94–54 mm (Length: 120 mm)
Tube connector ⌀94 mm to ⌀54 mm in STL format. Total length of this connector is 120 mm. The thickness of the tubes is identical: 4 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 94 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 54 mm
side B thickness 4 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 102–58 mm (Length: 120 mm) (📦 #5860)

1 object(s) - format STL
Tubing adapter STL file ⌀ 102–58 mm (Length: 120 mm)
Tube adapter ⌀102 mm to ⌀58 mm in STL format. Total length of this connector is 120 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve 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 102 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 58 mm
side B thickness 4 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 86–49 mm (Length: 125 mm) (📦 #9322)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 86–49 mm (Length: 125 mm)
Inline tube reducer ⌀86 mm to ⌀49 mm in STL 3D format. Length of this adapter is 125 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 40 mm. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 86 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 49 mm
side B thickness 4 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 80–40 mm (Length: 80 mm) (📦 #4711)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–40 mm (Length: 80 mm)
Tube connector ⌀80 mm to ⌀40 mm in STL format. Length of this adapter is 80 mm. The thickness of the tubes is identical: 5 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 80 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 40 mm
side B thickness 5 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 123–58 mm (Length: 85 mm) (📦 #2027)

1 object(s) - format STL
Tube adapter STL file ⌀ 123–58 mm (Length: 85 mm)
Tube fitting ⌀123 mm to ⌀58 mm in STL format. Length of this sleeve is 85 mm. The larger-diameter tube has a thickness of 5 mm and a length of 25 mm. The smaller-diameter tube has a thickness of 4 mm and a length 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 5 mm
side B length 25 mm
side B outer diameter 58 mm
side B thickness 4 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 65–49 mm (Length: 115 mm) (📦 #8517)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 65–49 mm (Length: 115 mm)
Tube reducer ⌀65 mm to ⌀49 mm in STL 3D format. Final length of this reducer is 115 mm. The thickness of the tubes is identical: 4 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 65 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 49 mm
side B thickness 4 mm
transition length 35 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 115–80 mm (Length: 100 mm) (📦 #8636)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 115–80 mm (Length: 100 mm)
Straight tubing adapter ⌀115 mm to ⌀80 mm in STL format. Length of this adapter is 100 mm. The thickness of the tubes is identical: 5 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 115 mm
side A thickness 5 mm
side B length 35 mm
side B outer diameter 80 mm
side B thickness 5 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 68–36 mm (Length: 140 mm) (📦 #6595)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 68–36 mm (Length: 140 mm)
Tube coupler ⌀68 mm to ⌀36 mm in STL format. Total length of this sleeve is 140 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 40 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 68 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 36 mm
side B thickness 4 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 125–80 mm (Length: 105 mm) (📦 #4503)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 125–80 mm (Length: 105 mm)
Straight tube coupler ⌀125 mm to ⌀80 mm in STL format. Total length of this junction is 105 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 40 mm. The ends are raw.
Parameter Value Unit
side A length 35 mm
side A outer diameter 125 mm
side A thickness 5 mm
side B length 40 mm
side B outer diameter 80 mm
side B thickness 5 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 50–45 mm (Length: 90 mm) (📦 #1918)

1 object(s) - format STL
Tube adapter STL file ⌀ 50–45 mm (Length: 90 mm)
Straight tube coupler ⌀50 mm to ⌀45 mm in STL 3D format. Length of this adapter is 90 mm. The thickness of the tubes is identical: 5 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 50 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 45 mm
side B thickness 5 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 40–37 mm (Length: 118 mm) (📦 #4474)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 40–37 mm (Length: 118 mm)
Diameter adapter ⌀40 mm to ⌀37 mm in STL 3D format. Length of this fitting is 118 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 38 mm, the smaller one of 40 mm. The ends have no fillet.
Parameter Value Unit
side A length 38 mm
side A outer diameter 40 mm
side A thickness 5 mm
side B length 40 mm
side B outer diameter 37 mm
side B thickness 5 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 100–57 mm (Length: 100 mm) (📦 #6082)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–57 mm (Length: 100 mm)
Inline fitting ⌀100 mm to ⌀57 mm in STL format. Final length of this adapter is 100 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a 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 100 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 57 mm
side B thickness 4 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 109–33 mm (Length: 73 mm) (📦 #10665)

1 object(s) - format STL
Tubing adapter STL file ⌀ 109–33 mm (Length: 73 mm)
Diameter adapter ⌀109 mm to ⌀33 mm in STL 3D format. Total length of this reducer is 73 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 23 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 109 mm
side A thickness 4 mm
side B length 23 mm
side B outer diameter 33 mm
side B thickness 4 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 114–36 mm (Length: 73 mm) (📦 #10666)

1 object(s) - format STL
Tube adapter STL file ⌀ 114–36 mm (Length: 73 mm)
Straight tube adapter ⌀114 mm to ⌀36 mm in STL 3D format. Total length of this reducer is 73 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 23 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 114 mm
side A thickness 4 mm
side B length 23 mm
side B outer diameter 36 mm
side B thickness 4 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 70–43 mm (Length: 149 mm) (📦 #8464)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–43 mm (Length: 149 mm)
Inline sleeve ⌀70 mm to ⌀43 mm in STL format. Total length of this junction is 149 mm. The thickness of the tubes is identical: 5 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 70 mm
side A thickness 5 mm
side B length 50 mm
side B outer diameter 43 mm
side B thickness 5 mm
transition length 49 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 64–40 mm (Length: 80 mm) (📦 #6473)

1 object(s) - format STL
Tube adapter STL file ⌀ 64–40 mm (Length: 80 mm)
Inline tube junction ⌀64 mm to ⌀40 mm in STL 3D format. Final length of this adapter is 80 mm. The thickness of the tubes is identical: 4 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 64 mm
side A thickness 4 mm
side B length 25 mm
side B outer diameter 40 mm
side B thickness 4 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 68–52 mm (Length: 85 mm) (📦 #9131)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 68–52 mm (Length: 85 mm)
Inline tube junction ⌀68 mm to ⌀52 mm in STL format. Length of this coupler is 85 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 35 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 35 mm
side A outer diameter 68 mm
side A thickness 4 mm
side B length 35 mm
side B outer diameter 52 mm
side B thickness 4 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 60–45 mm (Length: 100 mm) (📦 #1228)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–45 mm (Length: 100 mm)
Straight tube fitting ⌀60 mm to ⌀45 mm in STL format. Final length of this adapter is 100 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 60 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 45 mm
side B thickness 4 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 42–29 mm (Length: 85 mm) (📦 #8231)

1 object(s) - format STL
Tubing adapter STL file ⌀ 42–29 mm (Length: 85 mm)
Diameter adapter ⌀42 mm to ⌀29 mm in STL 3D format. Total length of this junction is 85 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 35 mm
side A outer diameter 42 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 29 mm
side B thickness 5 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–36 mm (Length: 170 mm) (📦 #12373)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–36 mm (Length: 170 mm)
Straight tubing adapter ⌀100 mm to ⌀36 mm in STL 3D format. Final length of this coupler is 170 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 50 mm. The ends are raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 100 mm
side A thickness 5 mm
side B length 50 mm
side B outer diameter 36 mm
side B thickness 5 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 100–56 mm (Length: 90 mm) (📦 #6064)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–56 mm (Length: 90 mm)
Tube coupler ⌀100 mm to ⌀56 mm in STL 3D format. Final length of this connector is 90 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 100 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 56 mm
side B thickness 4 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 75–66 mm (Length: 120 mm) (📦 #3926)

1 object(s) - format STL
Tube adapter STL file ⌀ 75–66 mm (Length: 120 mm)
Tube adapter ⌀75 mm to ⌀66 mm in STL 3D format. Length of this connector is 120 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 have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 75 mm
side A thickness 4 mm
side B length 40 mm
side B outer diameter 66 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 70–49 mm (Length: 110 mm) (📦 #4299)

1 object(s) - format STL
Tubing adapter STL file ⌀ 70–49 mm (Length: 110 mm)
Tube junction ⌀70 mm to ⌀49 mm in STL 3D format. Final length of this adapter is 110 mm. The larger-diameter tube has a thickness of 5 mm and a sleeve length of 50 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 40 mm. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 50 mm
side A outer diameter 70 mm
side A thickness 5 mm
side B length 40 mm
side B outer diameter 49 mm
side B thickness 4 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 88–25 mm (Length: 63 mm) (📦 #1823)

1 object(s) - format STL
Tube adapter STL file ⌀ 88–25 mm (Length: 63 mm)
Tube coupler ⌀88 mm to ⌀25 mm in STL format. Total length of this adapter is 63 mm. The thickness of the tubes is identical: 4 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 88 mm
side A thickness 4 mm
side B length 25 mm
side B outer diameter 25 mm
side B thickness 4 mm
transition length 13 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 50–40 mm (Length: 108 mm) (📦 #2978)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 50–40 mm (Length: 108 mm)
Straight tube reducer ⌀50 mm to ⌀40 mm in STL 3D format. Total length of this coupler is 108 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 60 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 50 mm
side A thickness 5 mm
side B length 60 mm
side B outer diameter 40 mm
side B thickness 5 mm
transition length 18 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 120–93 mm (Length: 110 mm) (📦 #1431)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL file ⌀ 120–93 mm (Length: 110 mm)
Inline sleeve ⌀120 mm to ⌀93 mm in STL 3D format. Final length of this coupler is 110 mm. The thickness of the tubes is identical: 5 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 120 mm
side A thickness 5 mm
side B length 30 mm
side B outer diameter 93 mm
side B thickness 5 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet