Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀104 mm to 150×50 mm, thickness 2 mm + offset 📦#10298

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Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀104 mm and a rectangular section with inner dimensions 150×50 mm. The shell thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 35 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Generation date: 2026-07-21
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀104 mm to 150×50 mm, thickness 2 mm + offset

3D model download

Free
  • round-to-rectangular-adapter-d_model10298-nb0_dd{id}.stl : 1.8 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 104 mm (≃4.09 in)
#2 cylinder inlet length 30 mm (≃1 3/16 in)
#3 rectangle internal length 150 mm (≃5.91 in)
#4 rectangle internal height 50 mm (≃1.97 in)
#5 rectangle inlet length 30 mm (≃1 3/16 in)
#6 offset Z 35 mm (≃1 3/8 in)
#7 offset Y 0 mm (0 in)
#8 total length 150 mm (≃5.91 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 100 mm (≃3 15/16 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 100 mm
cylinder inlet length 30 mm
rectangle internal length 172 mm
rectangle internal height 15 mm
rectangle inlet length 30 mm
offset Z 47.5 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 200×40 mm, thickness 2 mm + offset (📦 #2104)

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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 25 mm
rectangle internal length 200 mm
rectangle internal height 40 mm
rectangle inlet length 20 mm
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Round-to-Rectangular Tube Adapter STL file ⌀128 mm to 204×60 mm, thickness 2 mm + offset (📦 #8190)

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Round-to-Rectangular Tube Adapter STL file ⌀128 mm to 204×60 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀128 mm and a rectangular section with internal dimensions 204×60 mm. The shell thickness is 2 mm and the overall length is 140 mm. The adapter has an offset of 32 mm along the Z axis. A chamfer is present on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 128 mm
cylinder inlet length 30 mm
rectangle internal length 204 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 32 mm
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thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀128 mm to 204×60 mm, thickness 2 mm + offset (📦 #8189)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀128 mm to 204×60 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀128 mm and a rectangular section with inner dimensions 204×60 mm. The wall thickness is 2 mm and the total length is 140 mm. The adapter has an offset of 40 mm along the Z axis. A chamfer is present on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 128 mm
cylinder inlet length 30 mm
rectangle internal length 204 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 40 mm
offset Y 0 mm
total length 140 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀99 mm to 120.5×60.5 mm, thickness 3 mm + offset (📦 #4350)

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Parameter Value Unit
cylinder outer diameter 99 mm
cylinder inlet length 30 mm
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rectangle internal height 60.5 mm
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offset Y 0 mm
total length 120 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 172×15 mm, thickness 2 mm + offset (📦 #2098)

1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 30 mm
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rectangle internal height 15 mm
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Round-to-Rectangular Tube Adapter STL file ⌀101 mm to 120×60 mm, thickness 3 mm + offset (📦 #4329)

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Parameter Value Unit
cylinder outer diameter 101 mm
cylinder inlet length 20 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 170×45 mm, thickness 2 mm + offset (📦 #2967)

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Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 25 mm
rectangle internal length 170 mm
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rectangle inlet length 40 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀58 mm to 150×48 mm, thickness 2 mm + offset (📦 #1865)

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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 100×48 mm, thickness 2 mm + offset (📦 #1862)

1 object(s) - format STL
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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
rectangle internal length 100 mm
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rectangle inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀69.5 mm to 142×24 mm, thickness 2 mm + offset (📦 #11378)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀69.5 mm to 142×24 mm, thickness 2 mm + offset
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Parameter Value Unit
cylinder outer diameter 69.5 mm
cylinder inlet length 50 mm
rectangle internal length 142 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 169×17 mm, thickness 2 mm + offset (📦 #2983)

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Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 18 mm
rectangle internal length 169 mm
rectangle internal height 17 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 200×15 mm, thickness 2 mm + offset (📦 #2096)

1 object(s) - format STL
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3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 200×15 mm. The shell thickness is 2 mm and the total length is 200 mm. The adapter has an offset of 60 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 100 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 100×45 mm, thickness 2 mm + offset (📦 #1869)

1 object(s) - format STL
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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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Round-to-Rectangular Tube Adapter STL 3D file ⌀75 mm to 60×15 mm, thickness 2 mm + offset (📦 #7942)

1 object(s) - format STL
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3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀75 mm and a rectangular section with internal dimensions 60×15 mm. The wall thickness is 2 mm and the overall length is 120 mm. The adapter has an offset of 17.5 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 75 mm
cylinder inlet length 40 mm
rectangle internal length 60 mm
rectangle internal height 15 mm
rectangle inlet length 30 mm
offset Z 17.5 mm
offset Y 0 mm
total length 120 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀122 mm to 220×90 mm, thickness 3 mm + offset (📦 #2158)

1 object(s) - format STL
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3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀122 mm and a rectangular section with internal dimensions 220×90 mm. The wall thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 30 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 122 mm
cylinder inlet length 25 mm
rectangle internal length 220 mm
rectangle internal height 90 mm
rectangle inlet length 35 mm
offset Z 30 mm
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀108.7 mm to 110×55 mm, thickness 2 mm + offset (📦 #2323)

1 object(s) - format STL
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Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀108.7 mm and a rectangular section with internal dimensions 110×55 mm. The shell thickness is 2 mm and the total length is 67 mm. The adapter has an offset of 13 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 108.7 mm
cylinder inlet length 20 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 100×50 mm, thickness 2 mm + offset (📦 #1858)

1 object(s) - format STL
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Download this 3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀60 mm and a rectangular section with internal dimensions 100×50 mm. The shell thickness is 2 mm and the overall length is 150 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 50 mm
rectangle internal length 100 mm
rectangle internal height 50 mm
rectangle inlet length 46 mm
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offset Y 0 mm
total length 150 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀42 mm to 120×80 mm, thickness 2 mm + offset (📦 #1863)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀42 mm to 120×80 mm, thickness 2 mm + offset
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀42 mm and a rectangular section with inner dimensions 120×80 mm. The wall thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 25 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 42 mm
cylinder inlet length 50 mm
rectangle internal length 120 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
offset Z 25 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀79.5 mm to 220×30 mm, thickness 2 mm + offset (📦 #8656)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀79.5 mm to 220×30 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀79.5 mm and a rectangular section with internal dimensions 220×30 mm. The wall thickness is 2 mm and the total length is 200 mm. The adapter has an offset of 10.2 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 79.5 mm
cylinder inlet length 30 mm
rectangle internal length 220 mm
rectangle internal height 30 mm
rectangle inlet length 8 mm
offset Z 10.2 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀98 mm to 200×44 mm, thickness 3 mm + offset (📦 #3868)

1 object(s) - format STL
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File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀98 mm and a rectangular section with inner dimensions 200×44 mm. The wall thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 50 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 98 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 44 mm
rectangle inlet length 60 mm
offset Z 50 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 219×80 mm, thickness 2 mm + offset (📦 #8842)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 219×80 mm, thickness 2 mm + offset
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀150 mm and a rectangular section with internal dimensions 219×80 mm. The shell thickness is 2 mm and the total length is 200 mm. The adapter has an offset of 60 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 150 mm
cylinder inlet length 30 mm
rectangle internal length 219 mm
rectangle internal height 80 mm
rectangle inlet length 30 mm
offset Z 60 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀109 mm to 110×55 mm, thickness 2 mm + offset (📦 #2333)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀109 mm to 110×55 mm, thickness 2 mm + offset
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀109 mm and a rectangular section with internal dimensions 110×55 mm. The wall thickness is 2 mm and the total length is 115 mm. The adapter has an offset of 20 mm along the Y axis and 37.5 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 109 mm
cylinder inlet length 20 mm
rectangle internal length 110 mm
rectangle internal height 55 mm
rectangle inlet length 20 mm
offset Z 37.5 mm
offset Y 20 mm
total length 115 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 220×14 mm, thickness 2 mm + offset (📦 #8652)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 220×14 mm, thickness 2 mm + offset
3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀80 mm and a rectangular section with internal dimensions 220×14 mm. The shell thickness is 2 mm and the overall length is 200 mm. The adapter has an offset of 10.2 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 80 mm
cylinder inlet length 30 mm
rectangle internal length 220 mm
rectangle internal height 14 mm
rectangle inlet length 8 mm
offset Z 10.2 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀60 mm to 169×17 mm, thickness 2 mm + offset (📦 #2982)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀60 mm to 169×17 mm, thickness 2 mm + offset
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀60 mm and a rectangular section with internal dimensions 169×17 mm. The shell thickness is 2 mm and the overall length is 82.6 mm. The adapter has an offset of 10.2 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 60 mm
cylinder inlet length 20 mm
rectangle internal length 169 mm
rectangle internal height 17 mm
rectangle inlet length 40 mm
offset Z 10.2 mm
offset Y 0 mm
total length 82.6 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀77.5 mm to 220×14 mm, thickness 2 mm + offset (📦 #8653)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀77.5 mm to 220×14 mm, thickness 2 mm + offset
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀77.5 mm and a rectangular section with inner dimensions 220×14 mm. The shell thickness is 2 mm and the total length is 200 mm. The adapter has an offset of 10.2 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 77.5 mm
cylinder inlet length 30 mm
rectangle internal length 220 mm
rectangle internal height 14 mm
rectangle inlet length 8 mm
offset Z 10.2 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 110×55 mm, thickness 2 mm + offset (📦 #2320)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 110×55 mm, thickness 2 mm + offset
Download this model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 110×55 mm. The wall thickness is 2 mm and the total length is 63 mm. The adapter has an offset of 8 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 100 mm
cylinder inlet length 20 mm
rectangle internal length 110 mm
rectangle internal height 55 mm
rectangle inlet length 20 mm
offset Z 8 mm
offset Y 0 mm
total length 63 mm
thickness 2 mm
chamfer chamfers on ...