Custom Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 220×75 mm, thickness 3 mm + offset 📦#7845

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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.
Generation date: 2026-03-16
3D Model Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 220×75 mm, thickness 3 mm + offset

3D model download

Free
  • round-to-rectangular-adapter-d_model7845-nb0_dd{id}.stl : 3.3 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 150 mm (≃5.91 in)
#2 cylinder inlet length 20 mm (≃0.79 in)
#3 rectangle internal length 220 mm (≃8.66 in)
#4 rectangle internal height 75 mm (≃2 15/16 in)
#5 rectangle inlet length 20 mm (≃0.79 in)
#6 offset Z 2 mm (≃0.08 in)
#7 offset Y 2 mm (≃0.08 in)
#8 total length 80 mm (≃3.15 in)
#9 thickness 3 mm (≃1/8 in)
#10 chamfer chamfer on the inside
of the rectangular tube
Metadata Value
Cylinder internal diameter 144 mm (≃5.67 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 

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

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Round-to-Rectangular Tube Adapter STL 3D file ⌀152 mm to 220×80 mm, thickness 3 mm + offset
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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
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Round-to-Rectangular Tube Adapter STL 3D file ⌀151 mm to 220×75 mm, thickness 2 mm + offset (📦 #7846)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀151 mm to 220×75 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀151 mm and a rectangular section with internal dimensions 220×75 mm. The wall thickness is 2 mm and the overall length is 60 mm. The adapter has an offset of 1 mm along the Y axis and 1 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 151 mm
cylinder inlet length 20 mm
rectangle internal length 220 mm
rectangle internal height 75 mm
rectangle inlet length 10 mm
offset Z 1 mm
offset Y 1 mm
total length 60 mm
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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Round-to-Rectangular Tube Adapter STL 3D file ⌀148 mm to 145.0×70 mm, thickness 3 mm
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀148 mm and a rectangular section with internal dimensions 145.0×70 mm. The wall thickness is 3 mm and the total length is 100 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 148 mm
cylinder inlet length 25 mm
rectangle internal length 145.0 mm
rectangle internal height 70 mm
rectangle inlet length 25 mm
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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
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀103 mm to 150×50 mm, thickness 3 mm (📦 #7382)

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Parameter Value Unit
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cylinder inlet length 20 mm
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Round-to-Rectangular Tube Adapter STL file ⌀148 mm to 197×159 mm, thickness 3 mm + offset (📦 #7938)

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Parameter Value Unit
cylinder outer diameter 148 mm
cylinder inlet length 35 mm
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Round-to-Rectangular Tube Adapter STL file ⌀124 mm to 224×94 mm, thickness 3 mm (📦 #10171)

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Parameter Value Unit
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cylinder inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 150×50 mm, thickness 4 mm (📦 #2515)

1 object(s) - format STL
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Parameter Value Unit
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cylinder inlet length 30 mm
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Parameter Value Unit
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1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀126 mm to 145×69.5 mm, thickness 3 mm + offset
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Parameter Value Unit
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cylinder inlet length 20 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀107 mm to 110×54 mm, thickness 3 mm (📦 #2839)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀107 mm to 110×54 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀107 mm and a rectangular section with internal dimensions 110×54 mm. The wall thickness is 3 mm and the total length is 80 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 107 mm
cylinder inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀151 mm to 150×150 mm, thickness 2 mm + offset (📦 #7847)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀151 mm to 150×150 mm, thickness 2 mm + offset
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀151 mm and a rectangular section with internal dimensions 150×150 mm. The shell thickness is 2 mm and the total length is 60 mm. The adapter has an offset of 1 mm along the Y axis and 1 mm along the Z axis. A chamfer is present on the inside of the rectangular end.
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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offset Y 1 mm
total length 60 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 150×50 mm, thickness 2 mm + offset (📦 #1787)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 150×50 mm, thickness 2 mm + offset
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 150×50 mm. The shell thickness is 2 mm and the total length is 60 mm. The adapter has an offset of 17.5 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 150 mm
cylinder inlet length 15 mm
rectangle internal length 150 mm
rectangle internal height 50 mm
rectangle inlet length 10 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 107×52 mm, thickness 3 mm (📦 #5451)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 107×52 mm, thickness 3 mm
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 107×52 mm. The shell thickness is 3 mm and the total length is 100 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 100 mm
cylinder inlet length 20 mm
rectangle internal length 107 mm
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chamfer chamfers on ...

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
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀151 mm and a rectangular section with internal dimensions 150×150 mm. The wall thickness is 2 mm and the total length is 50.2 mm. The adapter has an offset of 1 mm along the Y axis and 1 mm along the Z axis. A chamfer is applied on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 151 mm
cylinder inlet length 20 mm
rectangle internal length 150 mm
rectangle internal height 150 mm
rectangle inlet length 10 mm
offset Z 1 mm
offset Y 1 mm
total length 50.2 mm
thickness 2 mm
chamfer chamfer on t...

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
cylinder outer diameter 110 mm
cylinder inlet length 30 mm
rectangle internal length 100 mm
rectangle internal height 100 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 file ⌀126.0 mm to 145.0×69.5 mm, thickness 3 mm + offset (📦 #2103)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀126.0 mm to 145.0×69.5 mm, thickness 3 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀126.0 mm and a rectangular section with internal dimensions 145.0×69.5 mm. The shell thickness is 3 mm and the overall length is 64.5 mm. The adapter has an offset of 16.7 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 126.0 mm
cylinder inlet length 20 mm
rectangle internal length 145.0 mm
rectangle internal height 69.5 mm
rectangle inlet length 11 mm
offset Z 16.7 mm
offset Y 0 mm
total length 64.5 mm
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Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 205×100 mm, thickness 3 mm + offset (📦 #8381)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 205×100 mm, thickness 3 mm + offset
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀120 mm and a rectangular section with internal dimensions 205×100 mm. The shell thickness is 3 mm and the total length is 125 mm. The adapter has an offset of 3 mm along the Y axis and 3 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 40 mm
rectangle internal length 205 mm
rectangle internal height 100 mm
rectangle inlet length 12 mm
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offset Y 3 mm
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thickness 3 mm
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1 object(s) - format STL
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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
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Round-to-Rectangular Tube Adapter STL 3D file ⌀126.0 mm to 120×70 mm, thickness 3 mm (📦 #2232)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀126.0 mm to 120×70 mm, thickness 3 mm
File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀126.0 mm and a rectangular section with inner dimensions 120×70 mm. The wall thickness is 3 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 126.0 mm
cylinder inlet length 15 mm
rectangle internal length 120 mm
rectangle internal height 70 mm
rectangle inlet length 15 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀92 mm to 175×100 mm, thickness 2 mm (📦 #8715)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀92 mm to 175×100 mm, thickness 2 mm
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Parameter Value Unit
cylinder outer diameter 92 mm
cylinder inlet length 25 mm
rectangle internal length 175 mm
rectangle internal height 100 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 53.4 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 135×100 mm, thickness 2 mm (📦 #3917)

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 ⌀100 mm and a rectangular section with internal dimensions 135×100 mm. The shell thickness is 2 mm and the overall length is 60 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 135 mm
rectangle internal height 100 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 60 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀146 mm to 110×55 mm, thickness 3 mm + offset (📦 #9759)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀146 mm to 110×55 mm, thickness 3 mm + offset
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀146 mm and a rectangular section with inner dimensions 110×55 mm. The wall thickness is 3 mm and the overall length is 64 mm. The adapter has an offset of 4 mm along the Y axis and 4 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 146 mm
cylinder inlet length 15 mm
rectangle internal length 110 mm
rectangle internal height 55 mm
rectangle inlet length 29 mm
offset Z 4 mm
offset Y 4 mm
total length 64 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 100×50 mm, thickness 3 mm + offset (📦 #1966)

1 object(s) - format STL (5.0/5) 1 vote(s)
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 100×50 mm, thickness 3 mm + offset
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 100×50 mm. The shell thickness is 3 mm and the total length is 100 mm. The adapter has an offset of 3 mm along the Y axis and 3 mm along the Z axis. A chamfer is applied on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 30 mm
rectangle internal length 100 mm
rectangle internal height 50 mm
rectangle inlet length 30 mm
offset Z 3 mm
offset Y 3 mm
total length 100 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
chamfer chamfers on ...