Custom Round-to-Rectangular Tube Adapter STL file ⌀300 mm to 200×200 mm, thickness 3 mm 📦#1684

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3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀300 mm and a rectangular section with internal dimensions 200×200 mm. The shell thickness is 3 mm and the overall length is 200 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Generation date: 2025-09-10
3D Model Round-to-Rectangular Tube Adapter STL file ⌀300 mm to 200×200 mm, thickness 3 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model1684-nb0_dd{id}.stl : 1.4 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 300 mm (≃11 13/16 in)
#2 cylinder inlet length 25 mm (≃0.98 in)
#3 rectangle internal length 200 mm (≃7 7/8 in)
#4 rectangle internal height 200 mm (≃7 7/8 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 3 mm (≃1/8 in)
#10 chamfer chamfers on the outside
of the cylindrical tube
and on the inside of
the rectangular tube
Metadata Value
Cylinder internal diameter 294 mm (≃11 9/16 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 249 mm
cylinder inlet length 20 mm
rectangle internal length 204 mm
rectangle internal height 204 mm
rectangle inlet length 20 mm
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Parameter Value Unit
cylinder outer diameter 280 mm
cylinder inlet length 25 mm
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rectangle internal height 100 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀195 mm to 185×185 mm, thickness 3 mm (📦 #6601)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀195 mm to 185×185 mm, thickness 3 mm
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Parameter Value Unit
cylinder outer diameter 195 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀250 mm to 250×150 mm, thickness 3 mm + offset (📦 #2131)

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Parameter Value Unit
cylinder outer diameter 250 mm
cylinder inlet length 50 mm
rectangle internal length 250 mm
rectangle internal height 150 mm
rectangle inlet length 80 mm
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀199 mm to 204×204 mm, thickness 3 mm (📦 #1892)

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Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀199 mm and a rectangular section with internal dimensions 204×204 mm. The wall thickness is 3 mm and the total length is 300 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀195 mm to 185×185 mm, thickness 3 mm (📦 #6602)

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Parameter Value Unit
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cylinder inlet length 20 mm
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rectangle internal height 185 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀156 mm to 200×200 mm, thickness 3 mm (📦 #9781)

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Parameter Value Unit
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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀160 mm to 300×120 mm, thickness 3 mm (📦 #2007)

1 object(s) - format STL
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1 object(s) - format STL
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Parameter Value Unit
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1 object(s) - format STL
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Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀180 mm and a rectangular section with internal dimensions 200×200 mm. The shell thickness is 3 mm and the overall length is 85 mm.
Parameter Value Unit
cylinder outer diameter 180 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀158 mm to 190×110 mm, thickness 4 mm (📦 #2532)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀158 mm to 190×110 mm, thickness 4 mm
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀158 mm and a rectangular section with internal dimensions 190×110 mm. The wall thickness is 4 mm and the overall length is 118.4 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
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cylinder inlet length 43 mm
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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 ⌀150 mm and a rectangular section with internal dimensions 200×115 mm. The shell thickness is 4 mm and the total length is 200 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
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Parameter Value Unit
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 158 mm
cylinder inlet length 35 mm
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Round-to-Rectangular Tube Adapter STL file ⌀202 mm to 225×110 mm, thickness 3 mm (📦 #9391)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀202 mm to 225×110 mm, thickness 3 mm
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀202 mm and a rectangular section with internal dimensions 225×110 mm. The wall thickness is 3 mm and the total length is 200 mm. 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 202 mm
cylinder inlet length 80 mm
rectangle internal length 225 mm
rectangle internal height 110 mm
rectangle inlet length 20 mm
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offset Y 0 mm
total length 200 mm
thickness 3 mm
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1 object(s) - format STL
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3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀150 mm and a rectangular section with inner dimensions 240×120 mm. The shell thickness is 3 mm and the overall length is 220 mm. A chamfer is applied on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 25 mm
rectangle internal length 240 mm
rectangle internal height 120 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 220 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀165 mm to 300×120 mm, thickness 3 mm + offset (📦 #2032)

1 object(s) - format STL
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Model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀165 mm and a rectangular section with inner dimensions 300×120 mm. The shell thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 35 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 165 mm
cylinder inlet length 30 mm
rectangle internal length 300 mm
rectangle internal height 120 mm
rectangle inlet length 40 mm
offset Z 35 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer chamfers on ...