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

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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.
Generation date: 2026-10-07
3D Model Tube adapter STL 3D file ⌀ 100–36 mm (Length: 170 mm)

3D model download

Free
  • inline-tube-adapter-lenA40mm-d_model12373-nb0_dd{id}.stl : 1.3 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 40 mm (≃1 9/16 in)
#2 side A outer diameter 100 mm (≃3 15/16 in)
#3 side A thickness 5 mm (≃3/16 in)
#4 side B length 50 mm (≃1.97 in)
#5 side B outer diameter 36 mm (≃1.42 in)
#6 side B thickness 5 mm (≃3/16 in)
#7 transition length 80 mm (≃3.15 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 90 mm (≃3.54 in)
inner diameter (side B) 26 mm (≃1.02 in)
total length 170 mm (≃6 11/16 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 ⌀ 117–64 mm (Length: 200 mm) (📦 #11895)

1 object(s) - format STL
Tube adapter STL file ⌀ 117–64 mm (Length: 200 mm)
Straight tube fitting ⌀117 mm to ⌀64 mm in STL format. Total length of this reducer is 200 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 50 mm as well. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 117 mm
side A thickness 4 mm
side B length 50 mm
side B outer diameter 64 mm
side B thickness 4 mm
transition length 100 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 ⌀ 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 ⌀ 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

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

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 106–38 mm (Length: 120 mm)
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.
Parameter Value Unit
side A length 40 mm
side A outer diameter 106 mm
side A thickness 5 mm
side B length 40 mm
side B outer diameter 38 mm
side B thickness 5 mm
transition length 40 mm
axis offset 6 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

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 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

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 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 ⌀ 103–38 mm (Length: 150 mm) (📦 #11992)

1 object(s) - format STL
Tubing adapter STL file ⌀ 103–38 mm (Length: 150 mm)
Straight tubing adapter ⌀103 mm to ⌀38 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 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 103 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 38 mm
side B thickness 3 mm
transition length 50 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

Tubing adapter STL file ⌀ 100–73 mm (Length: 139 mm) (📦 #7102)

1 object(s) - format STL
Tubing adapter STL file ⌀ 100–73 mm (Length: 139 mm)
Tube coupler ⌀100 mm to ⌀73 mm in STL 3D format. Length of this reducer is 139 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 100 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 73 mm
side B thickness 3 mm
transition length 79 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

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

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

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

Tube adapter STL 3D file ⌀ 96–58 mm (Length: 120 mm) (📦 #8155)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 96–58 mm (Length: 120 mm)
Tubing reducer ⌀96 mm to ⌀58 mm in STL 3D format. Length of this reducer is 120 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 20 mm. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 96 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 58 mm
side B thickness 3 mm
transition length 70 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 78–43 mm (Length: 120 mm) (📦 #7592)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 78–43 mm (Length: 120 mm)
Straight tubing adapter ⌀78 mm to ⌀43 mm in STL format. Final length of this junction 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 78 mm
side A thickness 3 mm
side B length 35 mm
side B outer diameter 43 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–78 mm (Length: 140 mm) (📦 #7116)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–78 mm (Length: 140 mm)
Straight tube coupler ⌀100 mm to ⌀78 mm in STL format. Length of this connector 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 30 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 78 mm
side B thickness 3 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–35 mm (Length: 110 mm) (📦 #12191)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–35 mm (Length: 110 mm)
Tube connector ⌀100 mm to ⌀35 mm in STL format. Final length of this adapter 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 are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 96–72 mm (Length: 111 mm) (📦 #11826)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 96–72 mm (Length: 111 mm)
Straight sleeve ⌀96 mm to ⌀72 mm in STL format. Total length of this junction is 111 mm. The larger-diameter tube has a thickness of 5.5 mm and a sleeve length of 6 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 15 mm. The ends are not rounded.
Parameter Value Unit
side A length 6 mm
side A outer diameter 96 mm
side A thickness 5.5 mm
side B length 15 mm
side B outer diameter 72 mm
side B thickness 4 mm
transition length 90 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 140–93 mm (Length: 110 mm) (📦 #1432)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL 3D file ⌀ 140–93 mm (Length: 110 mm)
Tube connector ⌀140 mm to ⌀93 mm in STL 3D format. Length of this adapter 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 raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 140 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

Tube adapter STL 3D file ⌀ 100–20 mm (Length: 110 mm) (📦 #3343)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–20 mm (Length: 110 mm)
Tube adapter ⌀100 mm to ⌀20 mm in STL format. Final length of this reducer is 110 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 30 mm. The ends are not rounded.
Parameter Value Unit
side A length 10 mm
side A outer diameter 100 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 20 mm
side B thickness 3 mm
transition length 70 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