Custom Round-to-Rectangular Tube Adapter STL file ⌀34 mm to 80×80 mm, thickness 2 mm + offset 📦#4388

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Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀34 mm and a rectangular section with inner dimensions 80×80 mm. The wall thickness is 2 mm and the overall length is 100 mm. The adapter has an offset of 15 mm along the Y axis and 15 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Generation date: 2025-12-06
3D Model Round-to-Rectangular Tube Adapter STL file ⌀34 mm to 80×80 mm, thickness 2 mm + offset

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Free
  • round-to-rectangular-adapter-d_model4388-nb0_dd{id}.stl : 2.7 Mo
STL Mesh quality : Linear deflection 0.0005 Angular deflection 0.05
No compliance warranty No compliance warranty
(Internal and private use, non-commercial – no distribution – no derivatives)
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Values for this model

This model was generated by the Round to rectangular adapter template, with the following values:
Parameter Value
#1 cylinder outer diameter 34 mm (≃1.34 in)
#2 cylinder inlet length 20 mm (≃0.79 in)
#3 rectangle internal length 80 mm (≃3.15 in)
#4 rectangle internal height 80 mm (≃3.15 in)
#5 rectangle inlet length 50 mm (≃1.97 in)
#6 offset Z 15 mm (≃0.59 in)
#7 offset Y 15 mm (≃0.59 in)
#8 total length 100 mm (≃3 15/16 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer chamfers on the outside
of the cylindrical tube
and on the inside of
the rectangular tube
Metadata Value
Cylinder internal diameter 30 mm (≃1 3/16 in)
illustration of the parameters
Parameter overview

  • If the chamfer option on the ends is enabled, the chamfer length is equal to half the thickness.
  • The stop at the bottom of the rectangular section has a width equal to half the thickness.

Labels are used in the naming of the downloaded 3D files.

Parameter Label
#1 cylinder outer diameter diaC
#2 cylinder inlet length lentC
#3 rectangle internal length lenIR
#4 rectangle internal height heiIR
#5 rectangle inlet length lentR
#6 offset Z ofsZ
#7 offset Y ofsY
#8 total length lenT
#9 thickness thi
#10 chamfer cha

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Parameter Value Unit
cylinder outer diameter 21.9 mm
cylinder inlet length 30 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 35 mm
offset Z 7.5 mm
offset Y 7.5 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀34 mm to 80×80 mm, thickness 2 mm + offset (📦 #4390)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀34 mm to 80×80 mm, thickness 2 mm + offset
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀34 mm and a rectangular section with internal dimensions 80×80 mm. The wall thickness is 2 mm and the overall length is 100 mm. The adapter has an offset of 15 mm along the Y axis and 15 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 34 mm
cylinder inlet length 10 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 10 mm
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offset Y 15 mm
total length 100 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀34 mm to 80×80 mm, thickness 2 mm + offset (📦 #4392)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀34 mm to 80×80 mm, thickness 2 mm + offset
Download this model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀34 mm and a rectangular section with inner dimensions 80×80 mm. The wall thickness is 2 mm and the overall length is 50 mm. The adapter has an offset of 15 mm along the Y axis and 15 mm along the Z axis. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 34 mm
cylinder inlet length 10 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 10 mm
offset Z 15 mm
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Round-to-Rectangular Tube Adapter STL file ⌀48.5 mm to 120×120 mm, thickness 3 mm + offset (📦 #6615)

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Round-to-Rectangular Tube Adapter STL file ⌀48.5 mm to 120×120 mm, thickness 3 mm + offset
Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀48.5 mm and a rectangular section with inner dimensions 120×120 mm. The shell thickness is 3 mm and the overall length is 100 mm. The adapter has an offset of 21 mm along the Y axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 48.5 mm
cylinder inlet length 20 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 38 mm
offset Z 0 mm
offset Y 21 mm
total length 100 mm
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Parameter Value Unit
cylinder outer diameter 94 mm
cylinder inlet length 20 mm
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Round-to-Rectangular Tube Adapter STL file ⌀33 mm to 45×70 mm, thickness 2 mm (📦 #7171)

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Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀33 mm and a rectangular section with inner dimensions 45×70 mm. The wall thickness is 2 mm and the overall length is 120 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 33 mm
cylinder inlet length 29 mm
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rectangle internal height 70 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 100×48 mm, thickness 2 mm + offset (📦 #1862)

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Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀60 mm and a rectangular section with internal dimensions 100×48 mm. The shell thickness is 2 mm and the overall length is 100 mm. The adapter has an offset of 15 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 30 mm
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3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀60 mm and a rectangular section with inner dimensions 100×45 mm. The wall thickness is 2 mm and the total length is 90 mm. The adapter has an offset of 15 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 30 mm
rectangle internal length 100 mm
rectangle internal height 45 mm
rectangle inlet length 30 mm
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total length 90 mm
thickness 2 mm
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Parameter Value Unit
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cylinder inlet length 25 mm
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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 20 mm
cylinder inlet length 20 mm
rectangle internal length 100 mm
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 80×60 mm, thickness 2 mm + offset (📦 #7608)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 80×60 mm, thickness 2 mm + offset
Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀75 mm and a rectangular section with internal dimensions 80×60 mm. The wall thickness is 2 mm and the total length is 60 mm. The adapter has an offset of 10 mm along the Y axis. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 75 mm
cylinder inlet length 25 mm
rectangle internal length 80 mm
rectangle internal height 60 mm
rectangle inlet length 9 mm
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offset Y 10 mm
total length 60 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀65 mm to 62×82 mm, thickness 2 mm (📦 #2595)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀65 mm to 62×82 mm, thickness 2 mm
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀65 mm and a rectangular section with inner dimensions 62×82 mm. The shell thickness is 2 mm and the overall length is 100 mm. A chamfer is present on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 65 mm
cylinder inlet length 30 mm
rectangle internal length 62 mm
rectangle internal height 82 mm
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thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀20.3 mm to 20×10 mm, thickness 2 mm + offset (📦 #1810)

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Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀20.3 mm and a rectangular section with inner dimensions 20×10 mm. The shell thickness is 2 mm and the overall length is 75 mm. The adapter has an offset of 5 mm along the Y axis. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 20.3 mm
cylinder inlet length 25 mm
rectangle internal length 20 mm
rectangle internal height 10 mm
rectangle inlet length 30 mm
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thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 50×100.5 mm, thickness 2 mm + offset (📦 #6815)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 50×100.5 mm, thickness 2 mm + offset
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀80 mm and a rectangular section with inner dimensions 50×100.5 mm. The wall thickness is 2 mm and the overall length is 90 mm. The adapter has an offset of 15 mm along the Y axis. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 20 mm
rectangle internal length 50 mm
rectangle internal height 100.5 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 15 mm
total length 90 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀58 mm to 150×48 mm, thickness 2 mm + offset (📦 #1865)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀58 mm to 150×48 mm, thickness 2 mm + offset
Download this model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀58 mm and a rectangular section with internal dimensions 150×48 mm. The wall thickness is 2 mm and the overall length is 100 mm. The adapter has an offset of 15 mm along the Z axis. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 58 mm
cylinder inlet length 30 mm
rectangle internal length 150 mm
rectangle internal height 48 mm
rectangle inlet length 30 mm
offset Z 15 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀81 mm to 106×50 mm, thickness 3 mm + offset (📦 #1886)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀81 mm to 106×50 mm, thickness 3 mm + offset
Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀81 mm and a rectangular section with internal dimensions 106×50 mm. The shell thickness is 3 mm and the overall length is 100 mm. The adapter has an offset of 25 mm along the Y axis and 25 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 81 mm
cylinder inlet length 20 mm
rectangle internal length 106 mm
rectangle internal height 50 mm
rectangle inlet length 30 mm
offset Z 25 mm
offset Y 25 mm
total length 100 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 170×45 mm, thickness 2 mm + offset (📦 #2967)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 170×45 mm, thickness 2 mm + offset
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀60 mm and a rectangular section with inner dimensions 170×45 mm. The wall thickness is 2 mm and the overall length is 100 mm. The adapter has an offset of 17.5 mm along the Z axis. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 25 mm
rectangle internal length 170 mm
rectangle internal height 45 mm
rectangle inlet length 40 mm
offset Z 17.5 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀34 mm to 47×13 mm, thickness 2 mm + offset (📦 #4955)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀34 mm to 47×13 mm, thickness 2 mm + offset
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀34 mm and a rectangular section with inner dimensions 47×13 mm. The shell thickness is 2 mm and the overall length is 70 mm. The adapter has an offset of 5 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 34 mm
cylinder inlet length 14 mm
rectangle internal length 47 mm
rectangle internal height 13 mm
rectangle inlet length 36 mm
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 109 mm
cylinder inlet length 20 mm
rectangle internal length 110 mm
rectangle internal height 55 mm
rectangle inlet length 20 mm
offset Z 30 mm
offset Y 20 mm
total length 107 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 62×82 mm, thickness 2 mm (📦 #2599)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 62×82 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀78 mm and a rectangular section with inner dimensions 62×82 mm. The wall thickness is 2 mm and the total length is 100 mm. A chamfer is applied on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 78 mm
cylinder inlet length 30 mm
rectangle internal length 62 mm
rectangle internal height 82 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀48.5 mm to 80×80 mm, thickness 3 mm (📦 #6760)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀48.5 mm to 80×80 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀48.5 mm and a rectangular section with internal dimensions 80×80 mm. The shell thickness is 3 mm and the overall length is 90 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 48.5 mm
cylinder inlet length 25 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 90 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 43×82 mm, thickness 2 mm (📦 #2601)

1 object(s) - format STL
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Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀78 mm and a rectangular section with inner dimensions 43×82 mm. The wall thickness is 2 mm and the total length is 100 mm. A chamfer is present on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 78 mm
cylinder inlet length 30 mm
rectangle internal length 43 mm
rectangle internal height 82 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL 3D file ⌀80 mm to 60×60 mm, thickness 2 mm (📦 #1919)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀80 mm to 60×60 mm, thickness 2 mm
Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀80 mm and a rectangular section with inner dimensions 60×60 mm. The shell thickness is 2 mm and the overall length is 100 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 30 mm
rectangle internal length 60 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀34 mm to 47×13 mm, thickness 2 mm (📦 #4954)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀34 mm to 47×13 mm, thickness 2 mm
File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀34 mm and a rectangular section with inner dimensions 47×13 mm. The shell thickness is 2 mm and the overall length is 70 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 34 mm
cylinder inlet length 14 mm
rectangle internal length 47 mm
rectangle internal height 13 mm
rectangle inlet length 36 mm
offset Z 0 mm
offset Y 0 mm
total length 70 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀77 mm to 80×50 mm, thickness 2 mm + offset (📦 #8623)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀77 mm to 80×50 mm, thickness 2 mm + offset
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀77 mm and a rectangular section with inner dimensions 80×50 mm. The shell thickness is 2 mm and the overall length is 60 mm. The adapter has an offset of 10 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 77 mm
cylinder inlet length 15 mm
rectangle internal length 80 mm
rectangle internal height 50 mm
rectangle inlet length 20 mm
offset Z 10 mm
offset Y 0 mm
total length 60 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀80 mm to 106×49 mm, thickness 2 mm (📦 #6737)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀80 mm to 106×49 mm, thickness 2 mm
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀80 mm and a rectangular section with inner dimensions 106×49 mm. The wall thickness is 2 mm and the total length is 90 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 30 mm
rectangle internal length 106 mm
rectangle internal height 49 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 90 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 31×140 mm, thickness 2 mm + offset (📦 #6819)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 31×140 mm, thickness 2 mm + offset
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀80 mm and a rectangular section with inner dimensions 31×140 mm. The shell thickness is 2 mm and the total length is 90 mm. The adapter has an offset of 20 mm along the Y axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 20 mm
rectangle internal length 31 mm
rectangle internal height 140 mm
rectangle inlet length 10 mm
offset Z 0 mm
offset Y 20 mm
total length 90 mm
thickness 2 mm
chamfer chamfers on ...