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Custom Round-to-Rectangular Tube Adapter STL file ⌀50 mm to 80×45 mm, thickness 2 mm 📦#3468

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Download this 3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀50 mm and a rectangular section with inner dimensions 80×45 mm. The shell thickness is 2 mm and the total length is 70 mm. A chamfer is applied on the outside of the cylindrical end.
Generation date: 2025-11-20
3D Model Round-to-Rectangular Tube Adapter STL file ⌀50 mm to 80×45 mm, thickness 2 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model3468-nb0_dd{id}.stl : 2.3 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)
Safe download

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 50 mm (≃1.97 in)
#2 cylinder inlet length 25 mm (≃0.98 in)
#3 rectangle internal length 80 mm (≃3.15 in)
#4 rectangle internal height 45 mm (≃1.77 in)
#5 rectangle inlet length 25 mm (≃0.98 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 70 mm (≃2 3/4 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer chamfer on the outside
of the cylindrical tube
Metadata Value
Cylinder internal diameter 46 mm (≃1 13/16 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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Parameter Value Unit
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cylinder inlet length 20 mm
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rectangle internal height 45 mm
rectangle inlet length 20 mm
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Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 20 mm
rectangle internal length 100 mm
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rectangle inlet length 20 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀65 mm to 50×63 mm, thickness 2 mm (📦 #2228)

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Parameter Value Unit
cylinder outer diameter 65 mm
cylinder inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL file ⌀52 mm to 77×33 mm, thickness 2 mm (📦 #2200)

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Parameter Value Unit
cylinder outer diameter 52 mm
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thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀44 mm to 50×25 mm, thickness 2 mm (📦 #3451)

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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 50 mm
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Parameter Value Unit
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cylinder outer diameter 50 mm
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Parameter Value Unit
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Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀30 mm and a rectangular section with inner dimensions 29×19 mm. The shell thickness is 2 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 30 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀70 mm to 60×30 mm, thickness 2 mm (📦 #1510)

1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 70 mm
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Round-to-Rectangular Tube Adapter STL file ⌀22 mm to 40×10 mm, thickness 2 mm (📦 #2886)

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Parameter Value Unit
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 30.5 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 60×60 mm, thickness 2 mm (📦 #1534)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 60×60 mm, thickness 2 mm
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀100 mm and a rectangular section with internal dimensions 60×60 mm. The shell thickness is 2 mm and the overall length is 100 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 25 mm
rectangle internal length 60 mm
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offset Y 0 mm
total length 100 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 50×50 mm, thickness 2 mm (📦 #1497)

1 object(s) - format STL (5.0/5) 4 vote(s)
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 50×50 mm, thickness 2 mm
Download this 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 50×50 mm. The wall thickness is 2 mm and the overall length is 100 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 25 mm
rectangle internal length 50 mm
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Parameter Value Unit
cylinder outer diameter 100 mm
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Parameter Value Unit
cylinder outer diameter 100 mm
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Round-to-Rectangular Tube Adapter STL file ⌀58 mm to 62×82 mm, thickness 2 mm (📦 #2596)

1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 58 mm
cylinder inlet length 30 mm
rectangle internal length 62 mm
rectangle internal height 82 mm
rectangle inlet length 50 mm
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offset Y 0 mm
total length 100 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀65 mm to 62×82 mm, thickness 2 mm (📦 #2595)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀65 mm to 62×82 mm, thickness 2 mm
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀65 mm and a rectangular section with inner dimensions 62×82 mm. The shell thickness is 2 mm and the overall length is 100 mm. A chamfer is present on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 65 mm
cylinder inlet length 30 mm
rectangle internal length 62 mm
rectangle internal height 82 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 30×30 mm, thickness 2 mm + offset (📦 #2024)

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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
rectangle internal length 30 mm
rectangle internal height 30 mm
rectangle inlet length 20 mm
offset Z 2 mm
offset Y 2 mm
total length 100 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀20 mm to 24×16.4 mm, thickness 2 mm (📦 #3003)

1 object(s) - format STL
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Download this model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀20 mm and a rectangular section with internal dimensions 24×16.4 mm. The shell thickness is 2 mm and the total length is 70 mm.
Parameter Value Unit
cylinder outer diameter 20 mm
cylinder inlet length 10 mm
rectangle internal length 24 mm
rectangle internal height 16.4 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 70 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 62×82 mm, thickness 2 mm (📦 #2599)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 62×82 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀78 mm and a rectangular section with inner dimensions 62×82 mm. The wall 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
cylinder outer diameter 78 mm
cylinder inlet length 30 mm
rectangle internal length 62 mm
rectangle internal height 82 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 43×82 mm, thickness 2 mm (📦 #2601)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 43×82 mm, thickness 2 mm
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀78 mm and a rectangular section with inner dimensions 43×82 mm. The wall thickness is 2 mm and the total length is 100 mm. A chamfer is present on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 78 mm
cylinder inlet length 30 mm
rectangle internal length 43 mm
rectangle internal height 82 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀81 mm to 120×70 mm, thickness 2 mm (📦 #2668)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀81 mm to 120×70 mm, thickness 2 mm
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀81 mm and a rectangular section with internal dimensions 120×70 mm. The wall thickness is 2 mm and the total length is 110 mm.
Parameter Value Unit
cylinder outer diameter 81 mm
cylinder inlet length 10 mm
rectangle internal length 120 mm
rectangle internal height 70 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 110 mm
thickness 2 mm
chamfer no chamfer