Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀203 mm to 191×53 mm, thickness 2 mm 📦#8071

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Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀203 mm and a rectangular section with inner dimensions 191×53 mm. The shell thickness is 2 mm and the total length is 200 mm.
Generation date: 2026-03-28
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀203 mm to 191×53 mm, thickness 2 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model8071-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 203 mm (≃8 in)
#2 cylinder inlet length 40 mm (≃1 9/16 in)
#3 rectangle internal length 191 mm (≃7.52 in)
#4 rectangle internal height 53 mm (≃2.09 in)
#5 rectangle inlet length 50 mm (≃1.97 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 200 mm (≃7 7/8 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 199 mm (≃7.83 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 203 mm
cylinder inlet length 40 mm
rectangle internal length 196 mm
rectangle internal height 56 mm
rectangle inlet length 50 mm
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offset Y 0 mm
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thickness 2 mm
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Parameter Value Unit
cylinder outer diameter 150 mm
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Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀200 mm and a rectangular section with internal dimensions 180×60 mm. The wall thickness is 3 mm and the total length is 150 mm.
Parameter Value Unit
cylinder outer diameter 200 mm
cylinder inlet length 30 mm
rectangle internal length 180 mm
rectangle internal height 60 mm
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Round-to-Rectangular Tube Adapter STL file ⌀154 mm to 226×90 mm, thickness 2 mm (📦 #9231)

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Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀154 mm and a rectangular section with internal dimensions 226×90 mm. The shell thickness is 2 mm and the total length is 150 mm.
Parameter Value Unit
cylinder outer diameter 154 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 226×90 mm, thickness 2 mm (📦 #9222)

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3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀150 mm and a rectangular section with internal dimensions 226×90 mm. The wall thickness is 2 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 150 mm
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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 200×80 mm, thickness 3 mm (📦 #4072)

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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀152 mm to 175×100 mm, thickness 2 mm (📦 #8964)

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Parameter Value Unit
cylinder outer diameter 152 mm
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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 200×60 mm, thickness 3 mm (📦 #7972)

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cylinder outer diameter 150 mm
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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL 3D file ⌀148 mm to 228×80 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀148 mm and a rectangular section with inner dimensions 228×80 mm. The shell thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 148 mm
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Parameter Value Unit
cylinder outer diameter 150 mm
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Parameter Value Unit
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cylinder inlet length 35 mm
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rectangle inlet length 70 mm
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chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀124 mm to 250×100 mm, thickness 2 mm (📦 #7367)

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Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀124 mm and a rectangular section with inner dimensions 250×100 mm. The shell thickness is 2 mm and the total length is 250 mm.
Parameter Value Unit
cylinder outer diameter 124 mm
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offset Y 0 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 200×55 mm, thickness 3 mm (📦 #6403)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 200×55 mm, thickness 3 mm
File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀150 mm and a rectangular section with inner dimensions 200×55 mm. The shell thickness is 3 mm and the overall length is 250 mm.
Parameter Value Unit
cylinder outer diameter 150 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 256×44 mm, thickness 3 mm + offset (📦 #9890)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 256×44 mm, thickness 3 mm + offset
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀150 mm and a rectangular section with inner dimensions 256×44 mm. The shell thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 10 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 55 mm
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 300×40 mm, thickness 3 mm (📦 #8531)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 300×40 mm, thickness 3 mm
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀150 mm and a rectangular section with internal dimensions 300×40 mm. The wall thickness is 3 mm and the overall length is 200 mm.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 50 mm
rectangle internal length 300 mm
rectangle internal height 40 mm
rectangle inlet length 50 mm
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offset Y 0 mm
total length 200 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 200×60 mm, thickness 3 mm (📦 #2066)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 200×60 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀125 mm and a rectangular section with internal dimensions 200×60 mm. The shell thickness is 3 mm and the overall length is 200 mm.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
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offset Y 0 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀203 mm to 190×55 mm, thickness 2 mm (📦 #8098)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀203 mm to 190×55 mm, thickness 2 mm
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀203 mm and a rectangular section with internal dimensions 190×55 mm. The shell thickness is 2 mm and the total length is 250 mm.
Parameter Value Unit
cylinder outer diameter 203 mm
cylinder inlet length 20 mm
rectangle internal length 190 mm
rectangle internal height 55 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 250 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀250 mm to 300×105 mm, thickness 2 mm (📦 #7862)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀250 mm to 300×105 mm, thickness 2 mm
3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀250 mm and a rectangular section with internal dimensions 300×105 mm. The wall thickness is 2 mm and the overall length is 125 mm.
Parameter Value Unit
cylinder outer diameter 250 mm
cylinder inlet length 35 mm
rectangle internal length 300 mm
rectangle internal height 105 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 125 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀155 mm to 151×71 mm, thickness 2 mm (📦 #2375)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀155 mm to 151×71 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀155 mm and a rectangular section with inner dimensions 151×71 mm. The wall thickness is 2 mm and the total length is 100 mm.
Parameter Value Unit
cylinder outer diameter 155 mm
cylinder inlet length 25 mm
rectangle internal length 151 mm
rectangle internal height 71 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀154 mm to 214×44 mm, thickness 2 mm (📦 #2865)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀154 mm to 214×44 mm, thickness 2 mm
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀154 mm and a rectangular section with internal dimensions 214×44 mm. The wall thickness is 2 mm and the overall length is 300 mm.
Parameter Value Unit
cylinder outer diameter 154 mm
cylinder inlet length 50 mm
rectangle internal length 214 mm
rectangle internal height 44 mm
rectangle inlet length 18 mm
offset Z 0 mm
offset Y 0 mm
total length 300 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀116 mm to 250×40 mm, thickness 2 mm (📦 #1535)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀116 mm to 250×40 mm, thickness 2 mm
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀116 mm and a rectangular section with internal dimensions 250×40 mm. The shell thickness is 2 mm and the total length is 250 mm.
Parameter Value Unit
cylinder outer diameter 116 mm
cylinder inlet length 25 mm
rectangle internal length 250 mm
rectangle internal height 40 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 250 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 150×30 mm, thickness 3 mm (📦 #4712)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 150×30 mm, thickness 3 mm
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀150 mm and a rectangular section with internal dimensions 150×30 mm. The shell thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 50 mm
rectangle internal length 150 mm
rectangle internal height 30 mm
rectangle inlet length 80 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀154 mm to 210×90 mm, thickness 2 mm (📦 #9830)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀154 mm to 210×90 mm, thickness 2 mm
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀154 mm and a rectangular section with inner dimensions 210×90 mm. The wall thickness is 2 mm and the overall length is 200 mm.
Parameter Value Unit
cylinder outer diameter 154 mm
cylinder inlet length 30 mm
rectangle internal length 210 mm
rectangle internal height 90 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀200 mm to 50×50 mm, thickness 3 mm (📦 #9649)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀200 mm to 50×50 mm, thickness 3 mm
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀200 mm and a rectangular section with inner dimensions 50×50 mm. The shell thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 200 mm
cylinder inlet length 40 mm
rectangle internal length 50 mm
rectangle internal height 50 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer