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

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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.
Generation date: 2025-09-03
3D Model Tube adapter STL file ⌀ 77–50 mm (Length: 125 mm)

3D model download

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  • inline-tube-adapter-lenA45mm-d_model1555-nb0_dd{id}.stl : 4.4 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 45 mm (≃1.77 in)
#2 side A outer diameter 77 mm (≃3.03 in)
#3 side A thickness 2.5 mm (≃0.10 in)
#4 side B length 40 mm (≃1 9/16 in)
#5 side B outer diameter 50 mm (≃1.97 in)
#6 side B thickness 2.5 mm (≃0.10 in)
#7 transition length 40 mm (≃1 9/16 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 72 mm (≃2.83 in)
inner diameter (side B) 45 mm (≃1.77 in)
total length 125 mm (≃4.92 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 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 ⌀ 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 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...

Tubing adapter STL file ⌀ 80–58 mm (Length: 100 mm) (📦 #8529)

1 object(s) - format STL
Tubing adapter STL file ⌀ 80–58 mm (Length: 100 mm)
Inline tube coupler ⌀80 mm to ⌀58 mm in STL 3D format. Length of this sleeve is 100 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 feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 80 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 58 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 50–32 mm (Length: 150 mm) (📦 #7734)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 50–32 mm (Length: 150 mm)
Tube reducer ⌀50 mm to ⌀32 mm in STL 3D format. Total length of this fitting is 150 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 are rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 50 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 32 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 96–66 mm (Length: 95 mm) (📦 #2875)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 96–66 mm (Length: 95 mm)
Straight sleeve ⌀96 mm to ⌀66 mm in STL 3D format. Total length of this adapter is 95 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 35 mm, the smaller one of 35 mm as well. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 35 mm
side A outer diameter 96 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 66 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 104–74 mm (Length: 130 mm) (📦 #6106)

1 object(s) - format STL
Tube adapter STL file ⌀ 104–74 mm (Length: 130 mm)
Tubing reducer ⌀104 mm to ⌀74 mm in STL 3D format. Final length of this adapter is 130 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 feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 40 mm
side A outer diameter 104 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 74 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

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 ⌀ 100–66 mm (Length: 95 mm) (📦 #2876)

1 object(s) - format STL
Tube adapter STL file ⌀ 100–66 mm (Length: 95 mm)
Tube fitting ⌀100 mm to ⌀66 mm in STL format. Final length of this adapter is 95 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 35 mm, the smaller one of 35 mm as well. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 35 mm
side A outer diameter 100 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 66 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 104–74 mm (Length: 145 mm) (📦 #6108)

1 object(s) - format STL
Tube adapter STL file ⌀ 104–74 mm (Length: 145 mm)
Inline sleeve ⌀104 mm to ⌀74 mm in STL format. Length of this connector is 145 mm. The larger-diameter tube has a thickness of 2.1 mm and a length of 55 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 40 mm. The ends have a fillet on the outside.
Parameter Value Unit
side A length 55 mm
side A outer diameter 104 mm
side A thickness 2.1 mm
side B length 40 mm
side B outer diameter 74 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 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...

Tube adapter STL 3D file ⌀ 80–75 mm (Length: 111 mm) (📦 #1214)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–75 mm (Length: 111 mm)
Tube adapter ⌀80 mm to ⌀75 mm in STL format. Length of this coupler is 111 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 46 mm, the smaller one of 45 mm. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length 46 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 45 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

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...

Tubing adapter STL file ⌀ 115–62 mm (Length: 100 mm) (📦 #3425)

1 object(s) - format STL
Tubing adapter STL file ⌀ 115–62 mm (Length: 100 mm)
Straight tube fitting ⌀115 mm to ⌀62 mm in STL format. Length of this fitting is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 40 mm. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 115 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 62 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 115–65 mm (Length: 100 mm) (📦 #3424)

1 object(s) - format STL
Tubing adapter STL file ⌀ 115–65 mm (Length: 100 mm)
Inline tubing adapter ⌀115 mm to ⌀65 mm in STL format. Length of this fitting 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 40 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 115 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 65 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 85–59 mm (Length: 110 mm) (📦 #7817)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 85–59 mm (Length: 110 mm)
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

Tubing adapter STL file ⌀ 54–39 mm (Length: 120 mm) (📦 #6800)

1 object(s) - format STL
Tubing adapter STL file ⌀ 54–39 mm (Length: 120 mm)
Tubing reducer ⌀54 mm to ⌀39 mm in STL 3D format. Length of this connector is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 40 mm as well. The ends are rounded on the inside.
Parameter Value Unit
side A length 40 mm
side A outer diameter 54 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 39 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 73–51 mm (Length: 150 mm) (📦 #4227)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 73–51 mm (Length: 150 mm)
Tube reducer ⌀73 mm to ⌀51 mm in STL format. Length of this coupler is 150 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 are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 73 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 51 mm
side B thickness 2 mm
transition length 50 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 file ⌀ 78–43 mm (Length: 120 mm) (📦 #7593)

1 object(s) - format STL
Tube adapter STL file ⌀ 78–43 mm (Length: 120 mm)
Tubing reducer ⌀78 mm to ⌀43 mm in STL 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 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 2 mm
side B length 35 mm
side B outer diameter 43 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

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 ⌀ 80–66 mm (Length: 120 mm) (📦 #1998)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 80–66 mm (Length: 120 mm)
Inline tube reducer ⌀80 mm to ⌀66 mm in STL 3D format. Final length of this sleeve is 120 mm. The larger-diameter tube has a thickness of 3 mm and a length of 40 mm. The smaller-diameter tube has a thickness of 2.5 mm and a length of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 66 mm
side B thickness 2.5 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 86–81 mm (Length: 111 mm) (📦 #1215)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL 3D file ⌀ 86–81 mm (Length: 111 mm)
Inline tube coupler ⌀86 mm to ⌀81 mm in STL format. Total length of this reducer is 111 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 46 mm, the smaller one of 45 mm. The ends are rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 46 mm
side A outer diameter 86 mm
side A thickness 3 mm
side B length 45 mm
side B outer diameter 81 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 36–20 mm (Length: 130 mm) (📦 #9529)

1 object(s) - format STL
Tubing adapter STL file ⌀ 36–20 mm (Length: 130 mm)
Tubing reducer ⌀36 mm to ⌀20 mm in STL format. Total length of this fitting is 130 mm. The larger-diameter tube has a thickness of 2.6 mm and a sleeve length of 40 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 40 mm as well. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 40 mm
side A outer diameter 36 mm
side A thickness 2.6 mm
side B length 40 mm
side B outer diameter 20 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 98–63 mm (Length: 110 mm) (📦 #8219)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 98–63 mm (Length: 110 mm)
Inline tube adapter ⌀98 mm to ⌀63 mm in STL 3D format. Total length of this connector is 110 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 30 mm. The ends have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 98 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 63 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 99–49 mm (Length: 150 mm) (📦 #9481)

1 object(s) - format STL
Tubing adapter STL file ⌀ 99–49 mm (Length: 150 mm)
Straight tube connector ⌀99 mm to ⌀49 mm in STL format. Total length of this coupler is 150 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 99 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 49 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 77–57 mm (Length: 125 mm) (📦 #2313)

1 object(s) - format STL
Tube adapter STL file ⌀ 77–57 mm (Length: 125 mm)
Inline tube junction ⌀77 mm to ⌀57 mm in STL format. Length of this fitting is 125 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 77 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 57 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 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 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 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...