Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀160 mm to 194×194 mm, thickness 3 mm 📦#8537

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File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀160 mm and a rectangular section with internal dimensions 194×194 mm. The shell thickness is 3 mm and the total length is 99 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Generation date: 2026-04-19
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀160 mm to 194×194 mm, thickness 3 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model8537-nb0_dd{id}.stl : 4.1 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 160 mm (≃6 5/16 in)
#2 cylinder inlet length 35 mm (≃1 3/8 in)
#3 rectangle internal length 194 mm (≃7 5/8 in)
#4 rectangle internal height 194 mm (≃7 5/8 in)
#5 rectangle inlet length 30 mm (≃1 3/16 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 99 mm (≃3.90 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 154 mm (≃6 1/16 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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To search for a model based on your own parameters, go to the template page Round to rectangular adapter 

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Parameter Value Unit
cylinder outer diameter 148 mm
cylinder inlet length 35 mm
rectangle internal length 197 mm
rectangle internal height 159 mm
rectangle inlet length 30 mm
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offset Y 2 mm
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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
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
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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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Round-to-Rectangular Tube Adapter STL file ⌀158 mm to 210×180 mm, thickness 4 mm
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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
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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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Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀195 mm and a rectangular section with internal dimensions 185×185 mm. The shell thickness is 3 mm and the total length is 160 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 195 mm
cylinder inlet length 40 mm
rectangle internal length 185 mm
rectangle internal height 185 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 160 mm
thickness 3 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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Round-to-Rectangular Tube Adapter STL 3D file ⌀156 mm to 200×200 mm, thickness 3 mm
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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀101.6 mm to 210.5×170.5 mm, thickness 3 mm + offset (📦 #2833)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀101.6 mm to 210.5×170.5 mm, thickness 3 mm + offset
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Parameter Value Unit
cylinder outer diameter 101.6 mm
cylinder inlet length 50 mm
rectangle internal length 210.5 mm
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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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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL 3D file ⌀110 mm to 220×220 mm, thickness 3 mm + offset (📦 #1649)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀110 mm to 220×220 mm, thickness 3 mm + offset
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Parameter Value Unit
cylinder outer diameter 110 mm
cylinder inlet length 30 mm
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rectangle internal height 220 mm
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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)

1 object(s) - format STL
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Parameter Value Unit
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cylinder inlet length 50 mm
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Parameter Value Unit
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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL 3D file ⌀151 mm to 150×150 mm, thickness 2 mm + offset (📦 #7847)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀151 mm to 150×150 mm, thickness 2 mm + offset
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Parameter Value Unit
cylinder outer diameter 151 mm
cylinder inlet length 20 mm
rectangle internal length 150 mm
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Round-to-Rectangular Tube Adapter STL file ⌀151 mm to 150×150 mm, thickness 2 mm + offset (📦 #7848)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀151 mm to 150×150 mm, thickness 2 mm + offset
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Parameter Value Unit
cylinder outer diameter 151 mm
cylinder inlet length 20 mm
rectangle internal length 150 mm
rectangle internal height 150 mm
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thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀148 mm to 145.0×70 mm, thickness 3 mm (📦 #2301)

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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀110 mm to 100×100 mm, thickness 3 mm (📦 #1756)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀110 mm to 100×100 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀110 mm and a rectangular section with internal dimensions 100×100 mm. The shell thickness is 3 mm and the total length is 80 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
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cylinder inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL file ⌀145 mm to 120×120 mm, thickness 2 mm (📦 #3299)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀145 mm to 120×120 mm, thickness 2 mm
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀145 mm and a rectangular section with inner dimensions 120×120 mm. The shell 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
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cylinder inlet length 50 mm
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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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thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀152 mm to 220×80 mm, thickness 3 mm + offset (📦 #7859)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀152 mm to 220×80 mm, thickness 3 mm + offset
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀152 mm and a rectangular section with internal dimensions 220×80 mm. The shell thickness is 3 mm and the total length is 100 mm. The adapter has an offset of 2 mm along the Y axis and 2 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 152 mm
cylinder inlet length 10 mm
rectangle internal length 220 mm
rectangle internal height 80 mm
rectangle inlet length 20 mm
offset Z 2 mm
offset Y 2 mm
total length 100 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀156 mm to 180×290 mm, thickness 3 mm (📦 #9783)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀156 mm to 180×290 mm, thickness 3 mm
3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀156 mm and a rectangular section with internal dimensions 180×290 mm. The wall 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 to ease insertion.
Parameter Value Unit
cylinder outer diameter 156 mm
cylinder inlet length 40 mm
rectangle internal length 180 mm
rectangle internal height 290 mm
rectangle inlet length 50 mm
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thickness 3 mm
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1 object(s) - format STL
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Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀150 mm and a rectangular section with internal dimensions 220×75 mm. The shell thickness is 3 mm and the overall length is 80 mm. The adapter has an offset of 2 mm along the Y axis and 2 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 150 mm
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1 object(s) - format STL
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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
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀152.4 mm to 178×254 mm, thickness 2 mm (📦 #9198)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀152.4 mm to 178×254 mm, thickness 2 mm
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀152.4 mm and a rectangular section with internal dimensions 178×254 mm. The shell thickness is 2 mm and the total length is 78 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 152.4 mm
cylinder inlet length 20 mm
rectangle internal length 178 mm
rectangle internal height 254 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 78 mm
thickness 2 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
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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 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
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 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀99.5 mm to 170×100 mm, thickness 2 mm (📦 #1696)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀99.5 mm to 170×100 mm, thickness 2 mm
Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀99.5 mm and a rectangular section with inner dimensions 170×100 mm. The wall thickness is 2 mm and the overall 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 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 120 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀180 mm to 200×200 mm, thickness 3 mm (📦 #7409)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀180 mm to 200×200 mm, thickness 3 mm
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
cylinder inlet length 15 mm
rectangle internal length 200 mm
rectangle internal height 200 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 85 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 240×120 mm, thickness 3 mm (📦 #4036)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 240×120 mm, thickness 3 mm
Model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀100 mm and a rectangular section with inner dimensions 240×120 mm. The shell thickness is 3 mm and the total length is 80 mm. A chamfer is applied on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
rectangle internal length 240 mm
rectangle internal height 120 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 3 mm
chamfer chamfer on t...