Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀156 mm to 200×200 mm, thickness 3 mm 📦#9781

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File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀156 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 present on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Generation date: 2026-07-02
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀156 mm to 200×200 mm, thickness 3 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model9781-nb0_dd{id}.stl : 1.6 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 156 mm (≃6.14 in)
#2 cylinder inlet length 40 mm (≃1 9/16 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 150 mm (≃5.91 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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Round-to-Rectangular Tube Adapter STL file ⌀156 mm to 180×220 mm, thickness 3 mm (📦 #9782)

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Round-to-Rectangular Tube Adapter STL file ⌀156 mm to 180×220 mm, thickness 3 mm
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Parameter Value Unit
cylinder outer diameter 156 mm
cylinder inlet length 40 mm
rectangle internal length 180 mm
rectangle internal height 220 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 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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Parameter Value Unit
cylinder outer diameter 195 mm
cylinder inlet length 40 mm
rectangle internal length 185 mm
rectangle internal height 185 mm
rectangle inlet length 50 mm
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offset Y 0 mm
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Round-to-Rectangular Tube Adapter STL file ⌀156 mm to 180×290 mm, thickness 3 mm (📦 #9783)

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Round-to-Rectangular Tube Adapter STL file ⌀156 mm to 180×290 mm, thickness 3 mm
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Parameter Value Unit
cylinder outer diameter 156 mm
cylinder inlet length 40 mm
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offset Y 0 mm
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀160 mm to 194×194 mm, thickness 3 mm (📦 #8537)

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Parameter Value Unit
cylinder outer diameter 160 mm
cylinder inlet length 35 mm
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offset Y 0 mm
total length 99 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀149.6 mm to 120×150 mm, thickness 3 mm (📦 #9894)

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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀114.3 mm to 200.5×170.5 mm, thickness 3 mm + offset (📦 #2185)

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Round-to-Rectangular Tube Adapter STL file ⌀114.3 mm to 200.5×170.5 mm, thickness 3 mm + offset
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Parameter Value Unit
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cylinder inlet length 50 mm
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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 200×115 mm, thickness 4 mm (📦 #2682)

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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 ⌀150 mm to 240×100 mm, thickness 3 mm (📦 #7974)

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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 240×100 mm, thickness 3 mm
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Parameter Value Unit
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cylinder inlet length 60 mm
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Parameter Value Unit
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Parameter Value Unit
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cylinder inlet length 50 mm
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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
Round-to-Rectangular Tube Adapter STL file ⌀160 mm to 300×120 mm, thickness 3 mm
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀160 mm and a rectangular section with internal dimensions 300×120 mm. The wall thickness is 3 mm and the overall 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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cylinder inlet length 30 mm
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Parameter Value Unit
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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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Round-to-Rectangular Tube Adapter STL 3D file ⌀99.5 mm to 170×100 mm, thickness 3 mm (📦 #1692)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀99.5 mm to 170×100 mm, thickness 3 mm
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀99.5 mm and a rectangular section with inner dimensions 170×100 mm. The wall thickness is 3 mm and the total length is 180 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 99.5 mm
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Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 300×120 mm, thickness 3 mm (📦 #6960)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 300×120 mm, thickness 3 mm
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀125 mm and a rectangular section with internal dimensions 300×120 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.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 30 mm
rectangle internal length 300 mm
rectangle internal height 120 mm
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Round-to-Rectangular Tube Adapter STL file ⌀195 mm to 185×185 mm, thickness 3 mm (📦 #6602)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀195 mm to 185×185 mm, thickness 3 mm
Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀195 mm and a rectangular section with internal dimensions 185×185 mm. The shell thickness is 3 mm and the overall length is 80 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 195 mm
cylinder inlet length 20 mm
rectangle internal length 185 mm
rectangle internal height 185 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 198×98 mm, thickness 2 mm (📦 #1971)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 198×98 mm, thickness 2 mm
Download this 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 198×98 mm. The shell thickness is 2 mm and the overall length is 127 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 150 mm
cylinder inlet length 50 mm
rectangle internal length 198 mm
rectangle internal height 98 mm
rectangle inlet length 50 mm
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offset Y 0 mm
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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 240×120 mm, thickness 3 mm (📦 #10091)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 240×120 mm, thickness 3 mm
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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
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Round-to-Rectangular Tube Adapter STL file ⌀158 mm to 210×180 mm, thickness 4 mm (📦 #2531)

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Parameter Value Unit
cylinder outer diameter 158 mm
cylinder inlet length 35 mm
rectangle internal length 210 mm
rectangle internal height 180 mm
rectangle inlet length 20 mm
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offset Y 0 mm
total length 83 mm
thickness 4 mm
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Round-to-Rectangular Tube Adapter STL file ⌀110 mm to 220×220 mm, thickness 3 mm + offset (📦 #1648)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀110 mm to 220×220 mm, thickness 3 mm + offset
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀110 mm and a rectangular section with internal dimensions 220×220 mm. The shell thickness is 3 mm and the total length is 120 mm. The adapter has an offset of 20 mm along the Z axis. A chamfer is present on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 110 mm
cylinder inlet length 30 mm
rectangle internal length 220 mm
rectangle internal height 220 mm
rectangle inlet length 50 mm
offset Z 20 mm
offset Y 0 mm
total length 120 mm
thickness 3 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀108 mm to 154×84 mm, thickness 3 mm (📦 #4105)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀108 mm to 154×84 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀108 mm and a rectangular section with inner dimensions 154×84 mm. The shell thickness is 3 mm and the total 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 108 mm
cylinder inlet length 40 mm
rectangle internal length 154 mm
rectangle internal height 84 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀249 mm to 204×204 mm, thickness 3 mm (📦 #1893)

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 ⌀249 mm and a rectangular section with inner dimensions 204×204 mm. The shell thickness is 3 mm and the total length is 249 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 249 mm
cylinder inlet length 20 mm
rectangle internal length 204 mm
rectangle internal height 204 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 249 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀99.5 mm to 170×100 mm, thickness 2 mm (📦 #1691)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀99.5 mm to 170×100 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀99.5 mm and a rectangular section with internal dimensions 170×100 mm. The shell thickness is 2 mm and the total length is 180 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 99.5 mm
cylinder inlet length 30 mm
rectangle internal length 170 mm
rectangle internal height 100 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 180 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀108 mm to 152×82 mm, thickness 3 mm (📦 #4106)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀108 mm to 152×82 mm, thickness 3 mm
Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀108 mm and a rectangular section with internal dimensions 152×82 mm. The shell thickness is 3 mm and the total length is 120 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 108 mm
cylinder inlet length 40 mm
rectangle internal length 152 mm
rectangle internal height 82 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 240×120 mm, thickness 2 mm (📦 #9162)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 240×120 mm, thickness 2 mm
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀125 mm and a rectangular section with internal dimensions 240×120 mm. The shell thickness is 2 mm and the total length is 138 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 50 mm
rectangle internal length 240 mm
rectangle internal height 120 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 138 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 200×80 mm, thickness 3 mm (📦 #9652)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 200×80 mm, thickness 3 mm
Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀150 mm and a rectangular section with internal dimensions 200×80 mm. The shell thickness is 3 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.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 40 mm
rectangle internal length 200 mm
rectangle internal height 80 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer chamfers on ...