Custom Tubing adapter STL file ⌀ 66–47 mm (Length: 90 mm) 📦#11954

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Straight tube reducer ⌀66 mm to ⌀47 mm in STL 3D format. Total length of this adapter is 90 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 axes of the tubes are offset by 9 mm. The ends are rounded on the outside.
Generation date: 2026-09-22
3D Model Tubing adapter STL file ⌀ 66–47 mm (Length: 90 mm)

3D model download

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  • inline-tube-adapter-lenA30mm-d_model11954-nb0_dd{id}.stl : 5.2 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 30 mm (≃1 3/16 in)
#2 side A outer diameter 66 mm (≃2.60 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 30 mm (≃1 3/16 in)
#5 side B outer diameter 47 mm (≃1.85 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 30 mm (≃1 3/16 in)
#8 axis offset 9 mm (≃0.35 in)
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 60 mm (≃2 3/8 in)
inner diameter (side B) 41 mm (≃1 5/8 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

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To search for a model based on your own parameters, go to the template page Inline tube adapter 

Tube adapter STL file ⌀ 65–44 mm (Length: 70 mm) (📦 #11948)

1 object(s) - format STL
Tube adapter STL file ⌀ 65–44 mm (Length: 70 mm)
Inline sleeve ⌀65 mm to ⌀44 mm in STL format. Final length of this connector is 70 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 axes of the tubes are offset by 5 mm. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 65 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 44 mm
side B thickness 3 mm
transition length 20 mm
axis offset 5 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 74–58 mm (Length: 60 mm) (📦 #4351)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 74–58 mm (Length: 60 mm)
Tube coupler ⌀74 mm to ⌀58 mm in STL format. Length of this coupler is 60 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 20 mm as well. The axes of the tubes are off-center by 6 mm. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 74 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 58 mm
side B thickness 2 mm
transition length 20 mm
axis offset 6 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 67–53 mm (Length: 89 mm) (📦 #4886)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 67–53 mm (Length: 89 mm)
Straight tube coupler ⌀67 mm to ⌀53 mm in STL 3D format. Final length of this sleeve is 89 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 29 mm. The ends are rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 67 mm
side A thickness 3 mm
side B length 29 mm
side B outer diameter 53 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 70–42 mm (Length: 80 mm) (📦 #1901)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 70–42 mm (Length: 80 mm)
Inline tube junction ⌀70 mm to ⌀42 mm in STL 3D format. Total length of this coupler is 80 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 two axes of the tubes are offset by 13.8 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 70 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 42 mm
side B thickness 3 mm
transition length 20 mm
axis offset 13.8 mm
ends fillet no fillet

Tube adapter STL file ⌀ 70–42 mm (Length: 87 mm) (📦 #1900)

1 object(s) - format STL
Tube adapter STL file ⌀ 70–42 mm (Length: 87 mm)
Inline fitting ⌀70 mm to ⌀42 mm in STL 3D format. Final length of this reducer is 87 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 27 mm, the smaller one of 40 mm. The axes of the tubes are off-center by 13.8 mm. The ends are raw.
Parameter Value Unit
side A length 27 mm
side A outer diameter 70 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 42 mm
side B thickness 3 mm
transition length 20 mm
axis offset 13.8 mm
ends fillet no fillet

Tube adapter STL file ⌀ 85–70 mm (Length: 80 mm) (📦 #1321)

1 object(s) - format STL
Tube adapter STL file ⌀ 85–70 mm (Length: 80 mm)
Straight tube fitting ⌀85 mm to ⌀70 mm in STL 3D format. Length of this sleeve is 80 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 two axes of the tubes are off-center by 7.4 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 85 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 70 mm
side B thickness 3 mm
transition length 20 mm
axis offset 7.4 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 81–55 mm (Length: 80 mm) (📦 #1440)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 81–55 mm (Length: 80 mm)
Inline sleeve ⌀81 mm to ⌀55 mm in STL 3D format. Final length of this connector is 80 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends are rounded on the outside.
Parameter Value Unit
side A length 25 mm
side A outer diameter 81 mm
side A thickness 2.5 mm
side B length 25 mm
side B outer diameter 55 mm
side B thickness 2.5 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 103–61 mm (Length: 100 mm) (📦 #4667)

1 object(s) - format STL
Tube adapter STL file ⌀ 103–61 mm (Length: 100 mm)
Tube reducer ⌀103 mm to ⌀61 mm in STL 3D format. Length of this connector is 100 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 two axes of the tubes are off-center by 10 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 103 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 61 mm
side B thickness 3 mm
transition length 40 mm
axis offset 10 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 80–70 mm (Length: 80 mm) (📦 #1166)

1 object(s) - format STL (4.5/5) 2 vote(s)
Tube adapter STL 3D file ⌀ 80–70 mm (Length: 80 mm)
Straight tube adapter ⌀80 mm to ⌀70 mm in STL format. Total length of this fitting is 80 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 two axes of the tubes are off-center by 4.9 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 70 mm
side B thickness 3 mm
transition length 20 mm
axis offset 4.9 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 60–42 mm (Length: 80 mm) (📦 #5115)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 60–42 mm (Length: 80 mm)
Inline tube reducer ⌀60 mm to ⌀42 mm in STL 3D format. Final length of this reducer is 80 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 60 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 42 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 85–46 mm (Length: 84 mm) (📦 #12351)

1 object(s) - format STL
Tubing adapter STL file ⌀ 85–46 mm (Length: 84 mm)
Inline tubing adapter ⌀85 mm to ⌀46 mm in STL 3D format. Length of this fitting is 84 mm. The larger-diameter tube has a thickness of 2.3 mm and a length of 22 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 27 mm. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 22 mm
side A outer diameter 85 mm
side A thickness 2.3 mm
side B length 27 mm
side B outer diameter 46 mm
side B thickness 3 mm
transition length 35 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 107–53 mm (Length: 65 mm) (📦 #2647)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 107–53 mm (Length: 65 mm)
Diameter adapter ⌀107 mm to ⌀53 mm in STL format. Total length of this reducer is 65 mm. The larger-diameter tube has a thickness of 3.1 mm and a length of 15 mm. The smaller-diameter tube has a thickness of 2.5 mm and a length of 30 mm. The axes of the tubes are off-center by 15 mm. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 15 mm
side A outer diameter 107 mm
side A thickness 3.1 mm
side B length 30 mm
side B outer diameter 53 mm
side B thickness 2.5 mm
transition length 20 mm
axis offset 15 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 58–47 mm (Length: 85 mm) (📦 #2827)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 58–47 mm (Length: 85 mm)
Tube coupler ⌀58 mm to ⌀47 mm in STL format. Length of this fitting is 85 mm. The larger-diameter tube has a thickness of 2.5 mm and a length of 35 mm. The smaller-diameter tube has a thickness of 3.2 mm and a length of 35 mm as well. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 35 mm
side A outer diameter 58 mm
side A thickness 2.5 mm
side B length 35 mm
side B outer diameter 47 mm
side B thickness 3.2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 77–50 mm (Length: 125 mm) (📦 #1556)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 77–50 mm (Length: 125 mm)
Inline tube adapter ⌀77 mm to ⌀50 mm in STL 3D format. Length of this sleeve is 125 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 40 mm. The two axes of the tubes are offset by 1 mm. The ends have a fillet on the outside.
Parameter Value Unit
side A length 45 mm
side A outer diameter 77 mm
side A thickness 2.5 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 40 mm
axis offset 1 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 82–61 mm (Length: 59 mm) (📦 #12290)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 82–61 mm (Length: 59 mm)
Tubing reducer ⌀82 mm to ⌀61 mm in STL 3D format. Length of this coupler is 59 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 29 mm. The two axes of the tubes are offset by 10 mm. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 82 mm
side A thickness 3 mm
side B length 29 mm
side B outer diameter 61 mm
side B thickness 3 mm
transition length 10 mm
axis offset 10 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 84–54 mm (Length: 100 mm) (📦 #4642)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 84–54 mm (Length: 100 mm)
Inline tubing adapter ⌀84 mm to ⌀54 mm in STL format. Final length of this coupler is 100 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 two axes of the tubes are off-center by 10 mm. The ends have no fillet.
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 54 mm
side B thickness 2 mm
transition length 40 mm
axis offset 10 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 71–50 mm (Length: 70 mm) (📦 #8588)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 71–50 mm (Length: 70 mm)
Inline sleeve ⌀71 mm to ⌀50 mm in STL 3D format. Final length of this adapter is 70 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 rounded on the outside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 71 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 50 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 77–50 mm (Length: 125 mm) (📦 #1555)

1 object(s) - format STL
Tube adapter STL file ⌀ 77–50 mm (Length: 125 mm)
Tube connector ⌀77 mm to ⌀50 mm in STL format. Total length of this fitting is 125 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 45 mm, the smaller one of 40 mm. The ends are rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 45 mm
side A outer diameter 77 mm
side A thickness 2.5 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 27–16 mm (Length: 60 mm) (📦 #9947)

1 object(s) - format STL
Tubing adapter STL file ⌀ 27–16 mm (Length: 60 mm)
Straight tube reducer ⌀27 mm to ⌀16 mm in STL 3D format. Total length of this reducer is 60 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 30 mm. The axes of the tubes are offset by 5.4 mm. The ends have a fillet on the outside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 27 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 16 mm
side B thickness 3 mm
transition length 10 mm
axis offset 5.4 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 49–46 mm (Length: 87 mm) (📦 #7194)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 49–46 mm (Length: 87 mm)
Inline sleeve ⌀49 mm to ⌀46 mm in STL 3D format. Length of this reducer is 87 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 37 mm, the smaller one of 40 mm. The ends have a fillet on the outside to ease the connection.
Parameter Value Unit
side A length 37 mm
side A outer diameter 49 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 46 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 67–43 mm (Length: 89 mm) (📦 #5241)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 67–43 mm (Length: 89 mm)
Tube adapter ⌀67 mm to ⌀43 mm in STL 3D format. Length of this junction is 89 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 rounded on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 67 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 43 mm
side B thickness 3 mm
transition length 29 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 69–51 mm (Length: 90 mm) (📦 #8686)

1 object(s) - format STL
Tube adapter STL file ⌀ 69–51 mm (Length: 90 mm)
Inline sleeve ⌀69 mm to ⌀51 mm in STL format. Final length of this junction is 90 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 69 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 51 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 57–46 mm (Length: 90 mm) (📦 #8784)

1 object(s) - format STL
Tubing adapter STL file ⌀ 57–46 mm (Length: 90 mm)
Straight tube coupler ⌀57 mm to ⌀46 mm in STL 3D format. Length of this fitting is 90 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 57 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 46 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 104–75 mm (Length: 75 mm) (📦 #6583)

1 object(s) - format STL
Tubing adapter STL file ⌀ 104–75 mm (Length: 75 mm)
Inline tube coupler ⌀104 mm to ⌀75 mm in STL 3D format. Final length of this junction is 75 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 30 mm. The two axes of the tubes are offset by 10.9 mm. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 104 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 20 mm
axis offset 10.9 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 75–51 mm (Length: 90 mm) (📦 #8819)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 75–51 mm (Length: 90 mm)
Inline tube reducer ⌀75 mm to ⌀51 mm in STL format. Total length of this reducer is 90 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 have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 75 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 51 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 98–23 mm (Length: 100 mm) (📦 #7215)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 98–23 mm (Length: 100 mm)
Tube connector ⌀98 mm to ⌀23 mm in STL format. Final length of this coupler is 100 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 rounded on the outside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 98 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 23 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 60–40 mm (Length: 85 mm) (📦 #1123)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–40 mm (Length: 85 mm)
Inline tube adapter ⌀60 mm to ⌀40 mm in STL 3D format. Final length of this coupler is 85 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 40 mm, the smaller one of 40 mm as well. The axes of the tubes are off-center by 1 mm. The ends feature an external fillet.
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 40 mm
side B thickness 3 mm
transition length 5 mm
axis offset 1 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 90–50 mm (Length: 130 mm) (📦 #3235)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 90–50 mm (Length: 130 mm)
Inline tube coupler ⌀90 mm to ⌀50 mm in STL 3D format. Total length of this connector is 130 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 40 mm. The two axes of the tubes are offset by 1 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 50 mm
side A outer diameter 90 mm
side A thickness 2.5 mm
side B length 40 mm
side B outer diameter 50 mm
side B thickness 2.5 mm
transition length 40 mm
axis offset 1 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 80–75 mm (Length: 111 mm) (📦 #1218)

1 object(s) - format STL
Tube adapter STL file ⌀ 80–75 mm (Length: 111 mm)
Diameter adapter ⌀80 mm to ⌀75 mm in STL 3D format. Final length of this connector is 111 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 46 mm, the smaller one of 45 mm. The two axes of the tubes are off-center by 2.4 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 46 mm
side A outer diameter 80 mm
side A thickness 2.5 mm
side B length 45 mm
side B outer diameter 75 mm
side B thickness 2.5 mm
transition length 20 mm
axis offset 2.4 mm
ends fillet fillet on th...