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

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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.
Generation date: 2026-08-04
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀90 mm to 150×80 mm, thickness 2 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model10721-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 90 mm (≃3.54 in)
#2 cylinder inlet length 70 mm (≃2 3/4 in)
#3 rectangle internal length 150 mm (≃5.91 in)
#4 rectangle internal height 80 mm (≃3.15 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 190 mm (≃7.48 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer chamfers on the outside
of the cylindrical tube
and on the inside of
the rectangular tube
Metadata Value
Cylinder internal diameter 86 mm (≃3 3/8 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 3D file ⌀60 mm to 100×50 mm, thickness 2 mm + offset (📦 #1858)

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Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 120×25 mm, thickness 3 mm (📦 #1984)

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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)

1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 60 mm
rectangle internal length 240 mm
rectangle internal height 100 mm
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total length 200 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀123 mm to 240×120 mm, thickness 2 mm (📦 #9167)

1 object(s) - format STL
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File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀123 mm and a rectangular section with inner dimensions 240×120 mm. The wall thickness is 2 mm and the overall length is 162 mm. A chamfer is applied on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 123 mm
cylinder inlet length 80 mm
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rectangle internal height 120 mm
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Round-to-Rectangular Tube Adapter STL file ⌀60 mm to 32×40 mm, thickness 2 mm (📦 #1988)

1 object(s) - format STL
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Parameter Value Unit
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cylinder inlet length 80 mm
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 50 mm
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offset Y 0 mm
total length 150 mm
thickness 2 mm
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 92 mm
cylinder inlet length 100 mm
rectangle internal length 200 mm
rectangle internal height 30 mm
rectangle inlet length 35 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 ⌀101.6 mm to 152.4×57 mm, thickness 3 mm (📦 #8811)

1 object(s) - format STL
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Parameter Value Unit
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cylinder inlet length 51 mm
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rectangle internal height 57 mm
rectangle inlet length 51 mm
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offset Y 0 mm
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thickness 3 mm
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Parameter Value Unit
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cylinder inlet length 50 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 40 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 3D file ⌀100 mm to 150×50 mm, thickness 2 mm (📦 #1615)

1 object(s) - format STL (5.0/5) 1 vote(s)
Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 150×50 mm, thickness 2 mm
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with inner dimensions 150×50 mm. The wall thickness is 2 mm and the overall length is 150 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 50 mm
rectangle internal length 150 mm
rectangle internal height 50 mm
rectangle inlet length 80 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀20 mm to 135×135 mm, thickness 2 mm (📦 #1857)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀20 mm to 135×135 mm, thickness 2 mm
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀20 mm and a rectangular section with internal dimensions 135×135 mm. The shell thickness is 2 mm and the overall length is 120 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 20 mm
cylinder inlet length 50 mm
rectangle internal length 135 mm
rectangle internal height 135 mm
rectangle inlet length 40 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 3D file ⌀161 mm to 204×60 mm, thickness 3 mm (📦 #10844)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀161 mm to 204×60 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀161 mm and a rectangular section with internal dimensions 204×60 mm. The shell thickness is 3 mm and the overall length is 200 mm. A chamfer is present on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 161 mm
cylinder inlet length 60 mm
rectangle internal length 204 mm
rectangle internal height 60 mm
rectangle inlet length 60 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL 3D file ⌀110 mm to 50×120 mm, thickness 2 mm (📦 #2023)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀110 mm to 50×120 mm, thickness 2 mm
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀110 mm and a rectangular section with internal dimensions 50×120 mm. The shell thickness is 2 mm and the total length is 200 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 110 mm
cylinder inlet length 50 mm
rectangle internal length 50 mm
rectangle internal height 120 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer chamfer on t...