Custom Tube adapter STL file ⌀ 36–9 mm (Length: 130 mm) 📦#9530

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Straight tube fitting ⌀36 mm to ⌀9 mm in STL format. Total length of this coupler is 130 mm. The larger-diameter tube has a thickness of 2.6 mm and a 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.
Generation date: 2026-06-19
3D Model Tube adapter STL file ⌀ 36–9 mm (Length: 130 mm)

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  • inline-tube-adapter-lenA40mm-d_model9530-nb0_dd{id}.stl : 4.3 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 36 mm (≃1.42 in)
#3 side A thickness 2.6 mm (≃0.10 in)
#4 side B length 40 mm (≃1 9/16 in)
#5 side B outer diameter 9 mm (≃0.35 in)
#6 side B thickness 2 mm (≃0.08 in)
#7 transition length 50 mm (≃1.97 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 30.8 mm (≃1.21 in)
inner diameter (side B) 5 mm (≃3/16 in)
total length 130 mm (≃5 1/8 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 ⌀ 36–7 mm (Length: 130 mm) (📦 #9531)

1 object(s) - format STL
Tube adapter STL file ⌀ 36–7 mm (Length: 130 mm)
Straight tube fitting ⌀36 mm to ⌀7 mm in STL 3D format. Total length of this connector 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 have a fillet on the outside to make tube connection easier.
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 7 mm
side B thickness 2 mm
transition length 50 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...

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...

Tube adapter STL 3D file ⌀ 38–10 mm (Length: 90 mm) (📦 #1269)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 38–10 mm (Length: 90 mm)
Straight tube reducer ⌀38 mm to ⌀10 mm in STL 3D format. Total length of this coupler is 90 mm. The larger-diameter tube has a thickness of 2.5 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 30 mm as well. The ends are rounded on the outside to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 38 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 20–15 mm (Length: 110 mm) (📦 #4825)

1 object(s) - format STL
Tube adapter STL file ⌀ 20–15 mm (Length: 110 mm)
Straight tube fitting ⌀20 mm to ⌀15 mm in STL format. Length of this connector is 110 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 ends have a fillet on the outside to make tube connection easier.
Parameter Value Unit
side A length 40 mm
side A outer diameter 20 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 15 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 24–10 mm (Length: 90 mm) (📦 #3388)

1 object(s) - format STL
Tube adapter STL file ⌀ 24–10 mm (Length: 90 mm)
Tubing adapter ⌀24 mm to ⌀10 mm in STL 3D format. Length of this fitting is 90 mm. The larger-diameter tube has a thickness of 2.8 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 30 mm as well. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 24 mm
side A thickness 2.8 mm
side B length 30 mm
side B outer diameter 10 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 38–12 mm (Length: 110 mm) (📦 #4670)

1 object(s) - format STL
Tubing adapter STL file ⌀ 38–12 mm (Length: 110 mm)
Tube connector ⌀38 mm to ⌀12 mm in STL format. Length of this adapter is 110 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 raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 38 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 24–14 mm (Length: 150 mm) (📦 #9826)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 24–14 mm (Length: 150 mm)
Diameter adapter ⌀24 mm to ⌀14 mm in STL 3D format. Length of this sleeve 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 not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 24 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 14 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 60–12 mm (Length: 110 mm) (📦 #4672)

1 object(s) - format STL
Tube adapter STL file ⌀ 60–12 mm (Length: 110 mm)
Tubing adapter ⌀60 mm to ⌀12 mm in STL 3D format. Length of this fitting is 110 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 60 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 25–20 mm (Length: 100 mm) (📦 #6713)

1 object(s) - format STL
Tubing adapter STL file ⌀ 25–20 mm (Length: 100 mm)
Tube junction ⌀25 mm to ⌀20 mm in STL 3D format. Final length of this junction 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 ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 25 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 20 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 36–25 mm (Length: 100 mm) (📦 #7760)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 36–25 mm (Length: 100 mm)
Inline sleeve ⌀36 mm to ⌀25 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 30 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 36 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 38–25 mm (Length: 100 mm) (📦 #7832)

1 object(s) - format STL
Tubing adapter STL file ⌀ 38–25 mm (Length: 100 mm)
Inline fitting ⌀38 mm to ⌀25 mm in STL format. Length of this reducer 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 ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 38 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 32–26 mm (Length: 140 mm) (📦 #9751)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 32–26 mm (Length: 140 mm)
Inline tube reducer ⌀32 mm to ⌀26 mm in STL 3D format. Final length of this adapter is 140 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 32 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 26 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 45–10 mm (Length: 97 mm) (📦 #1443)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 45–10 mm (Length: 97 mm)
Inline tube junction ⌀45 mm to ⌀10 mm in STL 3D format. Total length of this fitting is 97 mm. The larger-diameter tube has a thickness of 2.5 mm and a sleeve length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 37 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 45 mm
side A thickness 2.5 mm
side B length 37 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 40–20 mm (Length: 110 mm) (📦 #3010)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 40–20 mm (Length: 110 mm)
Inline fitting ⌀40 mm to ⌀20 mm in STL format. Final length of this reducer is 110 mm. The larger-diameter tube has a thickness of 2 mm and a length of 40 mm. The smaller-diameter tube has a thickness of 2.2 mm and a length of 40 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 40 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 20 mm
side B thickness 2.2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 40–24 mm (Length: 110 mm) (📦 #3009)

1 object(s) - format STL
Tubing adapter STL file ⌀ 40–24 mm (Length: 110 mm)
Straight tube adapter ⌀40 mm to ⌀24 mm in STL 3D format. Total length of this adapter is 110 mm. The thickness of the tubes is identical: 2.1 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 40 mm
side A thickness 2.1 mm
side B length 40 mm
side B outer diameter 24 mm
side B thickness 2.1 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 44–24 mm (Length: 110 mm) (📦 #3008)

1 object(s) - format STL
Tubing adapter STL file ⌀ 44–24 mm (Length: 110 mm)
Inline tube coupler ⌀44 mm to ⌀24 mm in STL 3D format. Total length of this fitting is 110 mm. The thickness of the tubes is identical: 2.1 mm. The larger-diameter tube has a 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 44 mm
side A thickness 2.1 mm
side B length 40 mm
side B outer diameter 24 mm
side B thickness 2.1 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 45–9 mm (Length: 90 mm) (📦 #1271)

1 object(s) - format STL
Tube adapter STL file ⌀ 45–9 mm (Length: 90 mm)
Straight tube connector ⌀45 mm to ⌀9 mm in STL 3D format. Total length of this fitting is 90 mm. The larger-diameter tube has a thickness of 2.5 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 30 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 45 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 9 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 45–10 mm (Length: 90 mm) (📦 #1260)

1 object(s) - format STL (4.0/5) 1 vote(s)
Tube adapter STL 3D file ⌀ 45–10 mm (Length: 90 mm)
Inline sleeve ⌀45 mm to ⌀10 mm in STL format. Total length of this connector is 90 mm. The larger-diameter tube has a thickness of 2.5 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 30 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 45 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 45–15 mm (Length: 90 mm) (📦 #1272)

1 object(s) - format STL
Tube adapter STL file ⌀ 45–15 mm (Length: 90 mm)
Tube coupler ⌀45 mm to ⌀15 mm in STL format. Total length of this sleeve is 90 mm. The larger-diameter tube has a thickness of 2.5 mm and a sleeve length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 45 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 28–10 mm (Length: 72 mm) (📦 #3085)

1 object(s) - format STL
Tubing adapter STL file ⌀ 28–10 mm (Length: 72 mm)
Diameter adapter ⌀28 mm to ⌀10 mm in STL format. Final length of this fitting is 72 mm. The larger-diameter tube has a thickness of 3 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 12 mm. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 28 mm
side A thickness 3 mm
side B length 12 mm
side B outer diameter 10 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 44–16 mm (Length: 90 mm) (📦 #1270)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 44–16 mm (Length: 90 mm)
Inline fitting ⌀44 mm to ⌀16 mm in STL format. Final length of this sleeve is 90 mm. The larger-diameter tube has a thickness of 2.5 mm and a sleeve length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 44 mm
side A thickness 2.5 mm
side B length 30 mm
side B outer diameter 16 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 40–35 mm (Length: 130 mm) (📦 #4500)

1 object(s) - format STL
Tubing adapter STL file ⌀ 40–35 mm (Length: 130 mm)
Tube junction ⌀40 mm to ⌀35 mm in STL 3D format. Total length of this coupler is 130 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 have a fillet on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 40 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 40–35 mm (Length: 130 mm) (📦 #1856)

1 object(s) - format STL
Tube adapter STL file ⌀ 40–35 mm (Length: 130 mm)
Inline tube reducer ⌀40 mm to ⌀35 mm in STL 3D format. Length of this adapter is 130 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 40 mm
side A thickness 3 mm
side B length 50 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 file ⌀ 36–12 mm (Length: 105 mm) (📦 #9491)

1 object(s) - format STL
Tubing adapter STL file ⌀ 36–12 mm (Length: 105 mm)
Tube adapter ⌀36 mm to ⌀12 mm in STL format. 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 have no fillet.
Parameter Value Unit
side A length 40 mm
side A outer diameter 36 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 12 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

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...

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 ⌀ 32–25 mm (Length: 80 mm) (📦 #9682)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 32–25 mm (Length: 80 mm)
Inline tube adapter ⌀32 mm to ⌀25 mm in STL format. Total 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 25 mm, the smaller one of 35 mm. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 25 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 35 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 75–25 mm (Length: 110 mm) (📦 #4283)

1 object(s) - format STL
Tubing adapter STL file ⌀ 75–25 mm (Length: 110 mm)
Tube adapter ⌀75 mm to ⌀25 mm in STL format. Final length of this coupler is 110 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 inside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 75 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 25 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

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...