Custom Round-to-Rectangular Tube Adapter STL file ⌀20 mm to 50×30 mm, thickness 3 mm 📦#1717

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3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀20 mm and a rectangular section with inner dimensions 50×30 mm. The shell thickness is 3 mm and the overall length is 100 mm.
Generation date: 2025-09-11
3D Model Round-to-Rectangular Tube Adapter STL file ⌀20 mm to 50×30 mm, thickness 3 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model1717-nb0_dd{id}.stl : 1.3 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 20 mm (≃0.79 in)
#2 cylinder inlet length 30 mm (≃1 3/16 in)
#3 rectangle internal length 50 mm (≃1.97 in)
#4 rectangle internal height 30 mm (≃1 3/16 in)
#5 rectangle inlet length 40 mm (≃1 9/16 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 no chamfer
Metadata Value
Cylinder internal diameter 14 mm (≃9/16 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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rectangle internal length 25 mm
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Parameter Value Unit
cylinder outer diameter 50 mm
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Parameter Value Unit
cylinder outer diameter 20 mm
cylinder inlet length 25 mm
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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
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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 20 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀20 mm to 37×16 mm, thickness 2 mm (📦 #8237)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀20 mm to 37×16 mm, thickness 2 mm
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Parameter Value Unit
cylinder outer diameter 20 mm
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3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀33 mm and a rectangular section with internal dimensions 75×12 mm. The wall thickness is 2 mm and the overall length is 85 mm.
Parameter Value Unit
cylinder outer diameter 33 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀32 mm to 60×5 mm, thickness 2 mm (📦 #8447)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀32 mm to 60×5 mm, thickness 2 mm
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀32 mm and a rectangular section with internal dimensions 60×5 mm. The shell thickness is 2 mm and the total length is 120 mm.
Parameter Value Unit
cylinder outer diameter 32 mm
cylinder inlet length 30 mm
rectangle internal length 60 mm
rectangle internal height 5 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀32 mm to 35×5 mm, thickness 2 mm (📦 #8445)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀32 mm to 35×5 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀32 mm and a rectangular section with inner dimensions 35×5 mm. The shell thickness is 2 mm and the total length is 120 mm.
Parameter Value Unit
cylinder outer diameter 32 mm
cylinder inlet length 30 mm
rectangle internal length 35 mm
rectangle internal height 5 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀32 mm to 80×5 mm, thickness 2 mm (📦 #8448)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀32 mm to 80×5 mm, thickness 2 mm
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀32 mm and a rectangular section with inner dimensions 80×5 mm. The wall thickness is 2 mm and the overall length is 120 mm.
Parameter Value Unit
cylinder outer diameter 32 mm
cylinder inlet length 30 mm
rectangle internal length 80 mm
rectangle internal height 5 mm
rectangle inlet length 20 mm
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offset Y 0 mm
total length 120 mm
thickness 2 mm
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Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀52 mm and a rectangular section with internal dimensions 100×60 mm. The shell thickness is 3 mm and the total length is 120 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 52 mm
cylinder inlet length 50 mm
rectangle internal length 100 mm
rectangle internal height 60 mm
rectangle inlet length 50 mm
offset Z 3 mm
offset Y 3 mm
total length 120 mm
thickness 3 mm
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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 ⌀32 mm and a rectangular section with internal dimensions 46×71 mm. The shell thickness is 4 mm and the total length is 90 mm.
Parameter Value Unit
cylinder outer diameter 32 mm
cylinder inlet length 30 mm
rectangle internal length 46 mm
rectangle internal height 71 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 90 mm
thickness 4 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀20 mm to 21×16 mm, thickness 3 mm (📦 #3337)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀20 mm to 21×16 mm, thickness 3 mm
Model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀20 mm and a rectangular section with inner dimensions 21×16 mm. The wall thickness is 3 mm and the total length is 50 mm.
Parameter Value Unit
cylinder outer diameter 20 mm
cylinder inlet length 15 mm
rectangle internal length 21 mm
rectangle internal height 16 mm
rectangle inlet length 10 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 3 mm
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1 object(s) - format STL
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Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀32 mm and a rectangular section with inner dimensions 50×5 mm. The shell thickness is 2 mm and the overall length is 120 mm.
Parameter Value Unit
cylinder outer diameter 32 mm
cylinder inlet length 20 mm
rectangle internal length 50 mm
rectangle internal height 5 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 2 mm
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1 object(s) - format STL
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Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀33 mm and a rectangular section with inner dimensions 100×13 mm. The wall thickness is 2 mm and the overall length is 90 mm.
Parameter Value Unit
cylinder outer diameter 33 mm
cylinder inlet length 30 mm
rectangle internal length 100 mm
rectangle internal height 13 mm
rectangle inlet length 20 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 ⌀32 mm to 90×5 mm, thickness 2 mm (📦 #8449)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀32 mm to 90×5 mm, thickness 2 mm
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀32 mm and a rectangular section with inner dimensions 90×5 mm. The wall thickness is 2 mm and the overall length is 120 mm.
Parameter Value Unit
cylinder outer diameter 32 mm
cylinder inlet length 30 mm
rectangle internal length 90 mm
rectangle internal height 5 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 2 mm
chamfer no chamfer