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Custom Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 30×30 mm, thickness 2 mm + offset 📦#2024

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3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 30×30 mm. The shell thickness is 2 mm and the total length is 100 mm. The adapter has an offset of 2 mm along the Y axis and 2 mm along the Z axis.
Generation date: 2025-09-27
3D Model Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 30×30 mm, thickness 2 mm + offset

3D model download

Free
  • round-to-rectangular-adapter-d_model2024-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)
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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 100 mm (≃3 15/16 in)
#2 cylinder inlet length 20 mm (≃0.79 in)
#3 rectangle internal length 30 mm (≃1 3/16 in)
#4 rectangle internal height 30 mm (≃1 3/16 in)
#5 rectangle inlet length 20 mm (≃0.79 in)
#6 offset Z 2 mm (≃0.08 in)
#7 offset Y 2 mm (≃0.08 in)
#8 total length 100 mm (≃3 15/16 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 96 mm (≃3.78 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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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
rectangle internal height 50 mm
rectangle inlet length 15 mm
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Parameter Value Unit
cylinder outer diameter 100 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 32×32 mm, thickness 2 mm (📦 #1999)

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Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀50 mm and a rectangular section with inner dimensions 32×32 mm. The wall thickness is 2 mm and the overall length is 100 mm.
Parameter Value Unit
cylinder outer diameter 50 mm
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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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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 50 mm
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Parameter Value Unit
cylinder outer diameter 103 mm
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Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 50×50 mm. The shell thickness is 2 mm and the total length is 200 mm.
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cylinder outer diameter 100 mm
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1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀80 mm to 110×80 mm, thickness 2 mm
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀80 mm and a rectangular section with inner dimensions 110×80 mm. The shell thickness is 2 mm and the overall length is 60 mm.
Parameter Value Unit
cylinder outer diameter 80 mm
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Round-to-Rectangular Tube Adapter STL file ⌀127 mm to 123×72 mm, thickness 2 mm (📦 #2593)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀127 mm to 123×72 mm, thickness 2 mm
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀127 mm and a rectangular section with inner dimensions 123×72 mm. The shell thickness is 2 mm and the total length is 76 mm.
Parameter Value Unit
cylinder outer diameter 127 mm
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1 object(s) - format STL
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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 100×45 mm. The shell thickness is 2 mm and the total length is 80 mm. A chamfer is applied on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 20 mm
rectangle internal length 100 mm
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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
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Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 99×45 mm, thickness 2 mm (📦 #3431)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 99×45 mm, thickness 2 mm
3D 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 99×45 mm. The wall thickness is 2 mm and the total length is 60 mm. A chamfer is applied on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 20 mm
rectangle internal length 99 mm
rectangle internal height 45 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 60 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀30 mm to 29×19 mm, thickness 2 mm (📦 #1948)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀30 mm to 29×19 mm, thickness 2 mm
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
cylinder inlet length 20 mm
rectangle internal length 29 mm
rectangle internal height 19 mm
rectangle inlet length 8 mm
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offset Y 0 mm
total length 50 mm
thickness 2 mm
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Parameter Value Unit
cylinder outer diameter 30.5 mm
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offset Y 0 mm
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Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 60×60 mm, thickness 3 mm (📦 #1502)

1 object(s) - format STL (5.0/5) 1 vote(s)
Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 60×60 mm, thickness 3 mm
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀125 mm and a rectangular section with internal dimensions 60×60 mm. The wall thickness is 3 mm and the total length is 120 mm.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 20 mm
rectangle internal length 60 mm
rectangle internal height 60 mm
rectangle inlet length 20 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 file ⌀90 mm to 60×60 mm, thickness 3 mm (📦 #1563)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀90 mm to 60×60 mm, thickness 3 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 60×60 mm. The wall thickness is 3 mm and the overall length is 60 mm.
Parameter Value Unit
cylinder outer diameter 90 mm
cylinder inlet length 20 mm
rectangle internal length 60 mm
rectangle internal height 60 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 60 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 100×50 mm, thickness 3 mm + offset (📦 #1754)

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 ⌀100 mm and a rectangular section with internal dimensions 100×50 mm. The shell thickness is 3 mm and the total length is 100 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 100 mm
cylinder inlet length 20 mm
rectangle internal length 100 mm
rectangle internal height 50 mm
rectangle inlet length 20 mm
offset Z 3 mm
offset Y 3 mm
total length 100 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀108 mm to 25×76 mm, thickness 3 mm (📦 #1749)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀108 mm to 25×76 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀108 mm and a rectangular section with internal dimensions 25×76 mm. The shell thickness is 3 mm and the total length is 78 mm.
Parameter Value Unit
cylinder outer diameter 108 mm
cylinder inlet length 26 mm
rectangle internal length 25 mm
rectangle internal height 76 mm
rectangle inlet length 26 mm
offset Z 0 mm
offset Y 0 mm
total length 78 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 60×30 mm, thickness 3 mm (📦 #1474)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 60×30 mm, thickness 3 mm
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀80 mm and a rectangular section with internal dimensions 60×30 mm. The wall thickness is 3 mm and the overall length is 90 mm.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 30 mm
rectangle internal length 60 mm
rectangle internal height 30 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 90 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 35×25 mm, thickness 3 mm (📦 #2245)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 35×25 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀50 mm and a rectangular section with inner dimensions 35×25 mm. The wall thickness is 3 mm and the total length is 100 mm.
Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 25 mm
rectangle internal length 35 mm
rectangle internal height 25 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀70 mm to 60×30 mm, thickness 2 mm (📦 #1510)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀70 mm to 60×30 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀70 mm and a rectangular section with internal dimensions 60×30 mm. The wall thickness is 2 mm and the total length is 80 mm. A chamfer is present on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 70 mm
cylinder inlet length 10 mm
rectangle internal length 60 mm
rectangle internal height 30 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 2 mm
chamfer chamfer on t...