Custom Tubing adapter STL file ⌀ 100–70 mm (Length: 90 mm) 📦#11309

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Straight tube adapter ⌀100 mm to ⌀70 mm in STL format. Total length of this adapter is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 60 mm, the smaller one of 20 mm. The ends are not rounded.
Generation date: 2026-08-30
3D Model Tubing adapter STL file ⌀ 100–70 mm (Length: 90 mm)

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  • inline-tube-adapter-lenA60mm-d_model11309-nb0_dd{id}.stl : 10.5 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 60 mm (≃2 3/8 in)
#2 side A outer diameter 100 mm (≃3 15/16 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 20 mm (≃0.79 in)
#5 side B outer diameter 70 mm (≃2 3/4 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 10 mm (≃0.39 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 96 mm (≃3.78 in)
inner diameter (side B) 66 mm (≃2.60 in)
total length 90 mm (≃3.54 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 

Tubing adapter STL file ⌀ 120–80 mm (Length: 80 mm) (📦 #9478)

1 object(s) - format STL
Tubing adapter STL file ⌀ 120–80 mm (Length: 80 mm)
Straight tube coupler ⌀120 mm to ⌀80 mm in STL 3D format. Final length of this adapter is 80 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 120 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 70–50 mm (Length: 110 mm) (📦 #10827)

1 object(s) - format STL
Tubing adapter STL file ⌀ 70–50 mm (Length: 110 mm)
Straight tubing adapter ⌀70 mm to ⌀50 mm in STL 3D format. Total 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 60 mm, the smaller one of 30 mm. The ends are raw.
Parameter Value Unit
side A length 60 mm
side A outer diameter 70 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

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

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 78–76 mm (Length: 80 mm)
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.
Parameter Value Unit
side A length 40 mm
side A outer diameter 78 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

Tubing adapter STL 3D file ⌀ 99–80 mm (Length: 90 mm) (📦 #3534)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 99–80 mm (Length: 90 mm)
Straight tubing adapter ⌀99 mm to ⌀80 mm in STL format. Final length of this junction is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 40 mm. The ends are raw.
Parameter Value Unit
side A length 45 mm
side A outer diameter 99 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 98–80 mm (Length: 90 mm) (📦 #3512)

1 object(s) - format STL
Tube adapter STL file ⌀ 98–80 mm (Length: 90 mm)
Tube adapter ⌀98 mm to ⌀80 mm in STL 3D format. Total length of this fitting is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 45 mm, the smaller one of 40 mm. The ends are not rounded.
Parameter Value Unit
side A length 45 mm
side A outer diameter 98 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 80 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 78–75 mm (Length: 115 mm) (📦 #11045)

1 object(s) - format STL
Tubing adapter STL file ⌀ 78–75 mm (Length: 115 mm)
Inline tube adapter ⌀78 mm to ⌀75 mm in STL 3D format. Length of this coupler is 115 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 55 mm, the smaller one of 45 mm. The ends are not rounded.
Parameter Value Unit
side A length 55 mm
side A outer diameter 78 mm
side A thickness 2 mm
side B length 45 mm
side B outer diameter 75 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 100–70 mm (Length: 120 mm) (📦 #11367)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 100–70 mm (Length: 120 mm)
Inline tube reducer ⌀100 mm to ⌀70 mm in STL format. Final length of this sleeve is 120 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 50 mm. The ends are raw.
Parameter Value Unit
side A length 60 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 70 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 54–53 mm (Length: 85 mm) (📦 #4062)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 54–53 mm (Length: 85 mm)
Inline tube junction ⌀54 mm to ⌀53 mm in STL 3D format. Length of this sleeve is 85 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 54 mm, the smaller one of 26 mm. The ends are raw.
Parameter Value Unit
side A length 54 mm
side A outer diameter 54 mm
side A thickness 2 mm
side B length 26 mm
side B outer diameter 53 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 62–50 mm (Length: 95 mm) (📦 #7925)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 62–50 mm (Length: 95 mm)
Straight tube reducer ⌀62 mm to ⌀50 mm in STL 3D format. Final length of this fitting is 95 mm. The larger-diameter tube has a thickness of 2.9 mm and a sleeve length of 60 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 20 mm. The two axes of the tubes are offset by 0.1 mm. The ends are raw.
Parameter Value Unit
side A length 60 mm
side A outer diameter 62 mm
side A thickness 2.9 mm
side B length 20 mm
side B outer diameter 50 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0.1 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 100–62 mm (Length: 120 mm) (📦 #11369)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 100–62 mm (Length: 120 mm)
Straight tubing adapter ⌀100 mm to ⌀62 mm in STL 3D format. Final length of this connector is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a 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 2 mm
side B length 50 mm
side B outer diameter 62 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 127–78 mm (Length: 85 mm) (📦 #2461)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 127–78 mm (Length: 85 mm)
Inline tube coupler ⌀127 mm to ⌀78 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 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 127 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 5 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 107–80 mm (Length: 70 mm) (📦 #2919)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 107–80 mm (Length: 70 mm)
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

Tube adapter STL file ⌀ 70–50 mm (Length: 110 mm) (📦 #10826)

1 object(s) - format STL
Tube adapter STL file ⌀ 70–50 mm (Length: 110 mm)
Tube reducer ⌀70 mm to ⌀50 mm in STL format. Total length of this junction is 110 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 30 mm. The ends are not rounded.
Parameter Value Unit
side A length 60 mm
side A outer diameter 70 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 80–75 mm (Length: 115 mm) (📦 #1213)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–75 mm (Length: 115 mm)
Straight tube fitting ⌀80 mm to ⌀75 mm in STL 3D format. Final length of this reducer is 115 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 two axes of the tubes are off-center by 2.4 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 75 mm
side B thickness 2 mm
transition length 15 mm
axis offset 2.4 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 106–85 mm (Length: 70 mm) (📦 #9393)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 106–85 mm (Length: 70 mm)
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 adapter STL file ⌀ 70–68 mm (Length: 110 mm) (📦 #4281)

1 object(s) - format STL
Tube adapter STL file ⌀ 70–68 mm (Length: 110 mm)
Inline tube adapter ⌀70 mm to ⌀68 mm in STL format. Total length of this adapter is 110 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 70 mm
side A thickness 2 mm
side B length 50 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 STL 3D file ⌀ 122–78 mm (Length: 105 mm) (📦 #2459)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 122–78 mm (Length: 105 mm)
Inline tube reducer ⌀122 mm to ⌀78 mm in STL format. Final length of this fitting is 105 mm. The thickness of the tubes is identical: 2 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 122 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 80–60 mm (Length: 120 mm) (📦 #8278)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–60 mm (Length: 120 mm)
Straight tube fitting ⌀80 mm to ⌀60 mm in STL 3D format. Total length of this sleeve is 120 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 have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 60 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 130–101 mm (Length: 88 mm) (📦 #5170)

1 object(s) - format STL
Tube adapter STL file ⌀ 130–101 mm (Length: 88 mm)
Straight tubing adapter ⌀130 mm to ⌀101 mm in STL format. Total length of this junction is 88 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 47 mm, the smaller one of 18 mm. The ends have no fillet.
Parameter Value Unit
side A length 47 mm
side A outer diameter 130 mm
side A thickness 2.5 mm
side B length 18 mm
side B outer diameter 101 mm
side B thickness 2.5 mm
transition length 23 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 85–63 mm (Length: 80 mm) (📦 #5681)

1 object(s) - format STL
Tubing adapter STL file ⌀ 85–63 mm (Length: 80 mm)
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 adapter STL 3D file ⌀ 65–60 mm (Length: 90 mm) (📦 #7216)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 65–60 mm (Length: 90 mm)
Tube adapter ⌀65 mm to ⌀60 mm in STL format. Total length of this connector is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 45 mm, the smaller one of 30 mm. The ends are raw.
Parameter Value Unit
side A length 45 mm
side A outer diameter 65 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 60 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 122–81 mm (Length: 67 mm) (📦 #9797)

1 object(s) - format STL
Tube adapter STL file ⌀ 122–81 mm (Length: 67 mm)
Straight tube connector ⌀122 mm to ⌀81 mm in STL 3D format. Final length of this reducer is 67 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 122 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 81 mm
side B thickness 2 mm
transition length 7 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 127–78 mm (Length: 105 mm) (📦 #2460)

1 object(s) - format STL
Tube adapter STL file ⌀ 127–78 mm (Length: 105 mm)
Tube adapter ⌀127 mm to ⌀78 mm in STL 3D format. Total length of this junction is 105 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 raw.
Parameter Value Unit
side A length 40 mm
side A outer diameter 127 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 65–57 mm (Length: 90 mm) (📦 #3460)

1 object(s) - format STL
Tubing adapter STL file ⌀ 65–57 mm (Length: 90 mm)
Tube junction ⌀65 mm to ⌀57 mm in STL format. Total length of this connector is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 45 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 45 mm
side A outer diameter 65 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 57 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 70–68 mm (Length: 70 mm) (📦 #4282)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 70–68 mm (Length: 70 mm)
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 STL file ⌀ 79–78 mm (Length: 80 mm) (📦 #4587)

1 object(s) - format STL
Tubing adapter STL file ⌀ 79–78 mm (Length: 80 mm)
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 adapter STL file ⌀ 129–78 mm (Length: 105 mm) (📦 #7442)

1 object(s) - format STL
Tube adapter STL file ⌀ 129–78 mm (Length: 105 mm)
Tube adapter ⌀129 mm to ⌀78 mm in STL format. Final length of this fitting is 105 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 129 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 78 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 76–75 mm (Length: 80 mm) (📦 #6528)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 76–75 mm (Length: 80 mm)
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