Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀69.5 mm to 142×24 mm, thickness 2 mm + offset 📦#11378

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Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀69.5 mm and a rectangular section with internal dimensions 142×24 mm. The wall thickness is 2 mm and the overall length is 180 mm. The adapter has an offset of 22.5 mm along the Z axis. A chamfer is applied on the inside of the rectangular end.
Generation date: 2026-09-01
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀69.5 mm to 142×24 mm, thickness 2 mm + offset

3D model download

Free
  • round-to-rectangular-adapter-d_model11378-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 69.5 mm (≃2 3/4 in)
#2 cylinder inlet length 50 mm (≃1.97 in)
#3 rectangle internal length 142 mm (≃5.59 in)
#4 rectangle internal height 24 mm (≃15/16 in)
#5 rectangle inlet length 40 mm (≃1 9/16 in)
#6 offset Z 22.5 mm (≃7/8 in)
#7 offset Y 0 mm (0 in)
#8 total length 180 mm (≃7.09 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer chamfer on the inside
of the rectangular tube
Metadata Value
Cylinder internal diameter 65.5 mm (≃2.58 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 60 mm
cylinder inlet length 50 mm
rectangle internal length 100 mm
rectangle internal height 50 mm
rectangle inlet length 46 mm
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Parameter Value Unit
cylinder outer diameter 42 mm
cylinder inlet length 50 mm
rectangle internal length 120 mm
rectangle internal height 80 mm
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Round-to-Rectangular Tube Adapter STL file ⌀69.5 mm to 126×21 mm, thickness 2 mm + offset (📦 #11377)

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Round-to-Rectangular Tube Adapter STL file ⌀69.5 mm to 126×21 mm, thickness 2 mm + offset
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Parameter Value Unit
cylinder outer diameter 69.5 mm
cylinder inlet length 50 mm
rectangle internal length 126 mm
rectangle internal height 21 mm
rectangle inlet length 40 mm
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total length 178 mm
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Round-to-Rectangular Tube Adapter STL file ⌀69.5 mm to 126×21 mm, thickness 2 mm + offset (📦 #11376)

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Round-to-Rectangular Tube Adapter STL file ⌀69.5 mm to 126×21 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀69.5 mm and a rectangular section with inner dimensions 126×21 mm. The shell thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 22.5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 69.5 mm
cylinder inlet length 50 mm
rectangle internal length 126 mm
rectangle internal height 21 mm
rectangle inlet length 50 mm
offset Z 22.5 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 150×50 mm, thickness 2 mm (📦 #1616)

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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL 3D file ⌀75 mm to 60×15 mm, thickness 2 mm + offset (📦 #7942)

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Parameter Value Unit
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cylinder inlet length 40 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀104 mm to 150×50 mm, thickness 2 mm + offset (📦 #10298)

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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 ⌀75 mm to 125×22 mm, thickness 3 mm + offset (📦 #1985)

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Parameter Value Unit
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Download this model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀58 mm and a rectangular section with internal dimensions 150×48 mm. The wall thickness is 2 mm and the overall length is 100 mm. The adapter has an offset of 15 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
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1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 100×48 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀60 mm and a rectangular section with internal dimensions 100×48 mm. The shell thickness is 2 mm and the overall length is 100 mm. The adapter has an offset of 15 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 170×45 mm, thickness 2 mm + offset (📦 #2967)

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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 ⌀60 mm to 100×45 mm, thickness 2 mm + offset (📦 #1869)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 100×45 mm, thickness 2 mm + offset
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀60 mm and a rectangular section with inner dimensions 100×45 mm. The wall thickness is 2 mm and the total length is 90 mm. The adapter has an offset of 15 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 60 mm
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1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀92 mm to 160×80 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀92 mm and a rectangular section with internal dimensions 160×80 mm. The shell thickness is 2 mm and the overall length is 140 mm. The adapter has an offset of 12.5 mm along the Z axis.
Parameter Value Unit
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cylinder inlet length 50 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 172×15 mm, thickness 2 mm + offset (📦 #2101)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 172×15 mm, thickness 2 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 inner dimensions 172×15 mm. The wall thickness is 2 mm and the total length is 180 mm. The adapter has an offset of 47.5 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 100 mm
cylinder inlet length 30 mm
rectangle internal length 172 mm
rectangle internal height 15 mm
rectangle inlet length 30 mm
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offset Y 0 mm
total length 180 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀90 mm to 150×80 mm, thickness 2 mm (📦 #10721)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀90 mm to 150×80 mm, thickness 2 mm
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀90 mm and a rectangular section with inner dimensions 150×80 mm. The wall thickness is 2 mm and the total length is 190 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 70 mm
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Parameter Value Unit
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1 object(s) - format STL
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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 120×25 mm, thickness 3 mm (📦 #1984)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 120×25 mm, thickness 3 mm
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀75 mm and a rectangular section with internal dimensions 120×25 mm. The shell thickness is 3 mm and the total length is 150 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 75 mm
cylinder inlet length 50 mm
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rectangle internal height 25 mm
rectangle inlet length 60 mm
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Parameter Value Unit
cylinder outer diameter 105 mm
cylinder inlet length 50 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 51 mm
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offset Y 0 mm
total length 150 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀76 mm to 120×50 mm, thickness 2 mm (📦 #9156)

1 object(s) - format STL
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Download this model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀76 mm and a rectangular section with inner dimensions 120×50 mm. The wall thickness is 2 mm and the total length is 90 mm. A chamfer is applied on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 76 mm
cylinder inlet length 32 mm
rectangle internal length 120 mm
rectangle internal height 50 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 90 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀77.5 mm to 220×14 mm, thickness 2 mm + offset (📦 #8653)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀77.5 mm to 220×14 mm, thickness 2 mm + offset
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀77.5 mm and a rectangular section with inner dimensions 220×14 mm. The shell thickness is 2 mm and the total length is 200 mm. The adapter has an offset of 10.2 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 77.5 mm
cylinder inlet length 30 mm
rectangle internal length 220 mm
rectangle internal height 14 mm
rectangle inlet length 8 mm
offset Z 10.2 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀79.5 mm to 220×30 mm, thickness 2 mm + offset (📦 #8656)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀79.5 mm to 220×30 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀79.5 mm and a rectangular section with internal dimensions 220×30 mm. The wall thickness is 2 mm and the total length is 200 mm. The adapter has an offset of 10.2 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 79.5 mm
cylinder inlet length 30 mm
rectangle internal length 220 mm
rectangle internal height 30 mm
rectangle inlet length 8 mm
offset Z 10.2 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀101.6 mm to 152.4×57 mm, thickness 3 mm (📦 #8811)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀101.6 mm to 152.4×57 mm, thickness 3 mm
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀101.6 mm and a rectangular section with internal dimensions 152.4×57 mm. The wall thickness is 3 mm and the total length is 152.4 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 101.6 mm
cylinder inlet length 51 mm
rectangle internal length 152.4 mm
rectangle internal height 57 mm
rectangle inlet length 51 mm
offset Z 0 mm
offset Y 0 mm
total length 152.4 mm
thickness 3 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 220×14 mm, thickness 2 mm + offset (📦 #8652)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 220×14 mm, thickness 2 mm + offset
3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀80 mm and a rectangular section with internal dimensions 220×14 mm. The shell thickness is 2 mm and the overall length is 200 mm. The adapter has an offset of 10.2 mm along the Z axis. 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 80 mm
cylinder inlet length 30 mm
rectangle internal length 220 mm
rectangle internal height 14 mm
rectangle inlet length 8 mm
offset Z 10.2 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer chamfers on ...