Custom Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 60×60 mm, thickness 3 mm 📦#1485

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Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀80 mm and a rectangular section with inner dimensions 60×60 mm. The shell thickness is 3 mm and the overall length is 100 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Generation date: 2025-08-31
3D Model Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 60×60 mm, thickness 3 mm

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  • round-to-rectangular-adapter-d_model1485-nb0_dd{id}.stl : 957.9 Ko
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 80 mm (≃3.15 in)
#2 cylinder inlet length 30 mm (≃1 3/16 in)
#3 rectangle internal length 60 mm (≃2 3/8 in)
#4 rectangle internal height 60 mm (≃2 3/8 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 100 mm (≃3 15/16 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 74 mm (≃2.91 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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Parameter Value Unit
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cylinder inlet length 30 mm
rectangle internal length 110 mm
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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀48.5 mm to 80×80 mm, thickness 3 mm (📦 #6760)

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Round-to-Rectangular Tube Adapter STL file ⌀48.5 mm to 80×80 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀48.5 mm and a rectangular section with internal dimensions 80×80 mm. The shell thickness is 3 mm and the overall length is 90 mm. 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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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 107×52 mm, thickness 3 mm (📦 #5451)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀120 mm to 60×60 mm, thickness 3 mm (📦 #1511)

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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)

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Parameter Value Unit
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1 object(s) - format STL (5.0/5) 4 vote(s)
Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 80×80 mm, thickness 3 mm
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Parameter Value Unit
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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 external diameter of ⌀83 mm and a rectangular section with internal dimensions 79×40 mm. The shell thickness is 2 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
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Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 80×80 mm, thickness 3 mm (📦 #4602)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 80×80 mm, thickness 3 mm
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀50 mm and a rectangular section with internal dimensions 80×80 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 50 mm
cylinder inlet length 50 mm
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rectangle internal height 80 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀80 mm to 106×49 mm, thickness 2 mm (📦 #6737)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀80 mm to 106×49 mm, thickness 2 mm
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀80 mm and a rectangular section with inner dimensions 106×49 mm. The wall thickness is 2 mm and the total length is 90 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 80 mm
cylinder inlet length 30 mm
rectangle internal length 106 mm
rectangle internal height 49 mm
rectangle inlet length 30 mm
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total length 90 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀56 mm to 80×80 mm, thickness 3 mm (📦 #1845)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀56 mm to 80×80 mm, thickness 3 mm
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀56 mm and a rectangular section with internal dimensions 80×80 mm. The wall thickness is 3 mm and the overall length is 50 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 56 mm
cylinder inlet length 15 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 15 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀70 mm to 60×35 mm, thickness 3 mm (📦 #4556)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀70 mm to 60×35 mm, thickness 3 mm
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Parameter Value Unit
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cylinder inlet length 15 mm
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1 object(s) - format STL
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Parameter Value Unit
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cylinder inlet length 39 mm
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thickness 3 mm
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1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀50 mm to 120×120 mm, thickness 3 mm
Model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀50 mm and a rectangular section with internal dimensions 120×120 mm. The wall thickness is 3 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 50 mm
cylinder inlet length 30 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 25 mm
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offset Y 0 mm
total length 120 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 76×76 mm, thickness 3 mm (📦 #5627)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 76×76 mm, thickness 3 mm
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 76×76 mm. The wall thickness is 3 mm and the total length is 50 mm. A chamfer is present on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 25 mm
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rectangle internal height 76 mm
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offset Y 0 mm
total length 50 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 tube adapter with an outer diameter of ⌀75 mm and a rectangular section with inner dimensions 150×30 mm. The wall thickness is 3 mm and the overall 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 25 mm
rectangle internal length 150 mm
rectangle internal height 30 mm
rectangle inlet length 30 mm
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offset Y 0 mm
total length 150 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 60×40 mm, thickness 3 mm + offset (📦 #1475)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 60×40 mm, thickness 3 mm + offset
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀120 mm and a rectangular section with inner dimensions 60×40 mm. The shell thickness is 3 mm and the overall length is 100 mm. The adapter has an offset of 10 mm along the Y axis and 10 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 120 mm
cylinder inlet length 30 mm
rectangle internal length 60 mm
rectangle internal height 40 mm
rectangle inlet length 30 mm
offset Z 10 mm
offset Y 10 mm
total length 100 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 150×30 mm, thickness 3 mm + offset (📦 #1983)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 150×30 mm, thickness 3 mm + offset
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀75 mm and a rectangular section with inner dimensions 150×30 mm. The shell thickness is 3 mm and the total length is 150 mm. The adapter has an offset of 3 mm along the Y axis and 3 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 75 mm
cylinder inlet length 25 mm
rectangle internal length 150 mm
rectangle internal height 30 mm
rectangle inlet length 30 mm
offset Z 3 mm
offset Y 3 mm
total length 150 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀103 mm to 150×50 mm, thickness 3 mm (📦 #7382)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀103 mm to 150×50 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀103 mm and a rectangular section with inner dimensions 150×50 mm. The wall thickness is 3 mm and the total length is 70 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 103 mm
cylinder inlet length 20 mm
rectangle internal length 150 mm
rectangle internal height 50 mm
rectangle inlet length 15 mm
offset Z 0 mm
offset Y 0 mm
total length 70 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀68 mm to 47×66 mm, thickness 2 mm (📦 #2956)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀68 mm to 47×66 mm, thickness 2 mm
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀68 mm and a rectangular section with internal dimensions 47×66 mm. The wall thickness is 2 mm and the overall length is 80 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 68 mm
cylinder inlet length 30 mm
rectangle internal length 47 mm
rectangle internal height 66 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 2 mm
chamfer chamfers on ...