Custom Tubing adapter STL 3D file ⌀ 27–16 mm (Length: 60 mm) 📦#9909

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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 ends feature an internal fillet.
Generation date: 2026-07-08
3D Model Tubing adapter STL 3D file ⌀ 27–16 mm (Length: 60 mm)

3D model download

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  • inline-tube-adapter-lenA20mm-d_model9909-nb0_dd{id}.stl : 4.9 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 20 mm (≃0.79 in)
#2 side A outer diameter 27 mm (≃1 1/16 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 16 mm (≃5/8 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 10 mm (≃0.39 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the inside
Metadata Value
inner diameter (side A) 21 mm (≃13/16 in)
inner diameter (side B) 10 mm (≃0.39 in)
total length 60 mm (≃2 3/8 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 ⌀ 32–15 mm (Length: 50 mm) (📦 #2441)

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Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm)
Inline tube reducer ⌀32 mm to ⌀15 mm in STL format. Length of this adapter is 50 mm. The thickness of the tubes is identical: 3.5 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends feature an internal fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 32 mm
side A thickness 3.5 mm
side B length 20 mm
side B outer diameter 15 mm
side B thickness 3.5 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 25–20 mm (Length: 45 mm) (📦 #1101)

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Tube adapter STL file ⌀ 25–20 mm (Length: 45 mm)
Tube fitting ⌀25 mm to ⌀20 mm in STL 3D format. Length of this reducer is 45 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 15 mm as well. The ends feature an internal fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 15 mm
side A outer diameter 25 mm
side A thickness 3 mm
side B length 15 mm
side B outer diameter 20 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
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Tube adapter STL 3D file ⌀ 22–17 mm (Length: 55 mm) (📦 #8272)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 22–17 mm (Length: 55 mm)
Diameter adapter ⌀22 mm to ⌀17 mm in STL 3D format. Total length of this fitting is 55 mm. The larger-diameter tube has a thickness of 2.9 mm and a sleeve length of 20 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 15 mm. The ends are rounded on the inside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 22 mm
side A thickness 2.9 mm
side B length 15 mm
side B outer diameter 17 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 50–20 mm (Length: 80 mm) (📦 #8575)

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Tubing adapter STL file ⌀ 50–20 mm (Length: 80 mm)
Tube reducer ⌀50 mm to ⌀20 mm in STL format. Final length of this fitting is 80 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 feature an internal fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 50 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 20 mm
side B thickness 3 mm
transition length 20 mm
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Tube adapter STL file ⌀ 20–12 mm (Length: 50 mm) (📦 #7891)

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Tube adapter STL file ⌀ 20–12 mm (Length: 50 mm)
Tubing adapter ⌀20 mm to ⌀12 mm in STL 3D format. Length of this adapter is 50 mm. The larger-diameter tube has a thickness of 2 mm and a length of 20 mm. The smaller-diameter tube has a thickness of 3 mm and a length of 20 mm as well. The ends are rounded on the inside to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 20 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 12 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 38–19 mm (Length: 50 mm) (📦 #2352)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 38–19 mm (Length: 50 mm)
Straight tube connector ⌀38 mm to ⌀19 mm in STL format. Final length of this fitting is 50 mm. The larger-diameter tube has a thickness of 2.9 mm and a sleeve length of 15 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 20 mm. The ends have a fillet on the inside to ease the connection.
Parameter Value Unit
side A length 15 mm
side A outer diameter 38 mm
side A thickness 2.9 mm
side B length 20 mm
side B outer diameter 19 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 40–35 mm (Length: 79 mm) (📦 #5081)

1 object(s) - format STL
Tube adapter STL file ⌀ 40–35 mm (Length: 79 mm)
Inline tubing adapter ⌀40 mm to ⌀35 mm in STL 3D format. Final length of this junction is 79 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 inside to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 40 mm
side A thickness 3 mm
side B length 29 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 30–15 mm (Length: 60 mm) (📦 #4682)

1 object(s) - format STL
Tubing adapter STL file ⌀ 30–15 mm (Length: 60 mm)
Tubing adapter ⌀30 mm to ⌀15 mm in STL 3D format. Final length of this junction is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 30 mm. The ends have a fillet on the inside.
Parameter Value Unit
side A length 20 mm
side A outer diameter 30 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm) (📦 #2443)

1 object(s) - format STL
Tube adapter STL file ⌀ 32–15 mm (Length: 50 mm)
Tube fitting ⌀32 mm to ⌀15 mm in STL format. Length of this junction is 50 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends feature an internal fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 35–18 mm (Length: 26 mm) (📦 #2450)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 35–18 mm (Length: 26 mm)
Inline tube reducer ⌀35 mm to ⌀18 mm in STL 3D format. Final length of this fitting is 26 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 10 mm, the smaller one of 8 mm. The ends are rounded on the inside to ease the connection.
Parameter Value Unit
side A length 10 mm
side A outer diameter 35 mm
side A thickness 3 mm
side B length 8 mm
side B outer diameter 18 mm
side B thickness 3 mm
transition length 8 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 36–19 mm (Length: 26 mm) (📦 #2451)

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter STL file ⌀ 36–19 mm (Length: 26 mm)
Tube connector ⌀36 mm to ⌀19 mm in STL 3D format. Length of this adapter is 26 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 8 mm. The ends are rounded on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 36 mm
side A thickness 3 mm
side B length 8 mm
side B outer diameter 19 mm
side B thickness 3 mm
transition length 8 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 32–15 mm (Length: 60 mm) (📦 #4368)

1 object(s) - format STL
Tube adapter STL file ⌀ 32–15 mm (Length: 60 mm)
Straight tube fitting ⌀32 mm to ⌀15 mm in STL 3D format. Length of this connector is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 15 mm, the smaller one of 25 mm. The ends feature an internal fillet to make tube connection easier.
Parameter Value Unit
side A length 15 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 32–14 mm (Length: 60 mm) (📦 #4370)

1 object(s) - format STL
Tubing adapter STL file ⌀ 32–14 mm (Length: 60 mm)
Inline tubing adapter ⌀32 mm to ⌀14 mm in STL 3D format. Length of this sleeve is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 15 mm, the smaller one of 25 mm. The ends have a fillet on the inside to ease the connection.
Parameter Value Unit
side A length 15 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 25 mm
side B outer diameter 14 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 37–34 mm (Length: 90 mm) (📦 #5893)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 37–34 mm (Length: 90 mm)
Straight sleeve ⌀37 mm to ⌀34 mm in STL 3D format. Length of this coupler is 90 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 feature an internal fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 40 mm
side A outer diameter 37 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 34 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 32–15 mm (Length: 60 mm) (📦 #2442)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 32–15 mm (Length: 60 mm)
Tube coupler ⌀32 mm to ⌀15 mm in STL format. Length of this junction is 60 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 20 mm as well. The ends feature an internal fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 32 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 64–32 mm (Length: 80 mm) (📦 #2791)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 64–32 mm (Length: 80 mm)
Inline tubing adapter ⌀64 mm to ⌀32 mm in STL 3D format. Total 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 30 mm, the smaller one of 30 mm as well. The ends have a fillet on the inside to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 64 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 32 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 43–33 mm (Length: 88 mm) (📦 #5244)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 43–33 mm (Length: 88 mm)
Straight tube coupler ⌀43 mm to ⌀33 mm in STL format. Total length of this reducer is 88 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 29 mm. The ends feature an internal fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 43 mm
side A thickness 3 mm
side B length 29 mm
side B outer diameter 33 mm
side B thickness 3 mm
transition length 29 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 44–35 mm (Length: 88 mm) (📦 #5253)

1 object(s) - format STL
Tube adapter STL file ⌀ 44–35 mm (Length: 88 mm)
Inline sleeve ⌀44 mm to ⌀35 mm in STL 3D format. Length of this sleeve is 88 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 have a fillet on the inside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 44 mm
side A thickness 3 mm
side B length 29 mm
side B outer diameter 35 mm
side B thickness 3 mm
transition length 29 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 41–33 mm (Length: 100 mm) (📦 #5928)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 41–33 mm (Length: 100 mm)
Tube fitting ⌀41 mm to ⌀33 mm in STL 3D format. Total 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 40 mm, the smaller one of 40 mm as well. The ends have a fillet on the inside.
Parameter Value Unit
side A length 40 mm
side A outer diameter 41 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 33 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL file ⌀ 32–15 mm (Length: 19 mm) (📦 #2447)

1 object(s) - format STL
Tube adapter STL file ⌀ 32–15 mm (Length: 19 mm)
Straight tube connector ⌀32 mm to ⌀15 mm in STL format. Total length of this fitting is 19 mm. The thickness of the tubes is identical: 3.5 mm. The larger-diameter tube has a length of 7 mm, the smaller one of 7 mm as well. The ends have a fillet on the inside.
Parameter Value Unit
side A length 7 mm
side A outer diameter 32 mm
side A thickness 3.5 mm
side B length 7 mm
side B outer diameter 15 mm
side B thickness 3.5 mm
transition length 5 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 35–15 mm (Length: 55 mm) (📦 #3147)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 35–15 mm (Length: 55 mm)
Straight tube adapter ⌀35 mm to ⌀15 mm in STL 3D format. Length of this coupler is 55 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 5 mm, the smaller one of 30 mm. The ends are rounded on the inside.
Parameter Value Unit
side A length 5 mm
side A outer diameter 35 mm
side A thickness 2 mm
side B length 30 mm
side B outer diameter 15 mm
side B thickness 2 mm
transition length 20 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 35–29 mm (Length: 55 mm) (📦 #2197)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 35–29 mm (Length: 55 mm)
Inline tube reducer ⌀35 mm to ⌀29 mm in STL 3D format. Final length of this junction is 55 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 feature a fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 20 mm
side A outer diameter 35 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 29 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 9–8 mm (Length: 55 mm) (📦 #7472)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 9–8 mm (Length: 55 mm)
Straight tube coupler ⌀9 mm to ⌀8 mm in STL 3D format. Total length of this adapter is 55 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 25 mm. The smaller-diameter tube has a thickness of 2.6 mm and a length of 25 mm as well. The ends are rounded to ease the connection.
Parameter Value Unit
side A length 25 mm
side A outer diameter 9 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 8 mm
side B thickness 2.6 mm
transition length 5 mm
axis offset 0.0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 35–30 mm (Length: 55 mm) (📦 #2189)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 35–30 mm (Length: 55 mm)
Inline tube junction ⌀35 mm to ⌀30 mm in STL format. Total length of this adapter is 55 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 20 mm as well. The ends feature a fillet to make tube connection easier.
Parameter Value Unit
side A length 20 mm
side A outer diameter 35 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 30 mm
side B thickness 3 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL 3D file ⌀ 38–31 mm (Length: 50 mm) (📦 #8960)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 38–31 mm (Length: 50 mm)
Inline tube junction ⌀38 mm to ⌀31 mm in STL 3D format. Final length of this adapter is 50 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 22 mm, the smaller one of 20 mm. The ends are rounded to ease the connection.
Parameter Value Unit
side A length 22 mm
side A outer diameter 38 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 31 mm
side B thickness 3 mm
transition length 8 mm
axis offset 0 mm
ends fillet fillet on bo...

Tubing adapter STL file ⌀ 42–21 mm (Length: 60 mm) (📦 #8507)

1 object(s) - format STL
Tubing adapter STL file ⌀ 42–21 mm (Length: 60 mm)
Tube reducer ⌀42 mm to ⌀21 mm in STL 3D format. Length of this junction is 60 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 are rounded to ease the connection.
Parameter Value Unit
side A length 30 mm
side A outer diameter 42 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 21 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

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 ⌀ 25–9 mm (Length: 50 mm) (📦 #4916)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 25–9 mm (Length: 50 mm)
Straight tubing adapter ⌀25 mm to ⌀9 mm in STL 3D format. Length of this sleeve is 50 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 ends feature a fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 25 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 9 mm
side B thickness 2 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on bo...

Tube adapter STL 3D file ⌀ 50–6 mm (Length: 40 mm) (📦 #2347)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 50–6 mm (Length: 40 mm)
Inline tube adapter ⌀50 mm to ⌀6 mm in STL 3D format. Length of this fitting is 40 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 15 mm. The ends have a fillet on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 10 mm
side A outer diameter 50 mm
side A thickness 2 mm
side B length 15 mm
side B outer diameter 6 mm
side B thickness 2 mm
transition length 15 mm
axis offset 0 mm
ends fillet fillet on th...