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Custom Round-to-Rectangular Tube Adapter STL file ⌀90 mm to 100×50 mm, thickness 2 mm 📦#3061

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Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀90 mm and a rectangular section with internal dimensions 100×50 mm. The shell thickness is 2 mm and the overall length is 120 mm.
Generation date: 2025-11-04
3D Model Round-to-Rectangular Tube Adapter STL file ⌀90 mm to 100×50 mm, thickness 2 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model3061-nb0_dd{id}.stl : 2.7 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 90 mm (≃3.54 in)
#2 cylinder inlet length 20 mm (≃0.79 in)
#3 rectangle internal length 100 mm (≃3 15/16 in)
#4 rectangle internal height 50 mm (≃1.97 in)
#5 rectangle inlet length 80 mm (≃3.15 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 120 mm (≃4.72 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer no chamfer
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 ⌀84 mm to 85×85 mm, thickness 2 mm (📦 #3219)

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Parameter Value Unit
cylinder outer diameter 84 mm
cylinder inlet length 30 mm
rectangle internal length 85 mm
rectangle internal height 85 mm
rectangle inlet length 85 mm
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offset Y 0 mm
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thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀27 mm to 33×30 mm, thickness 2 mm (📦 #2477)

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Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀27 mm and a rectangular section with internal dimensions 33×30 mm. The wall thickness is 2 mm and the overall length is 115 mm.
Parameter Value Unit
cylinder outer diameter 27 mm
cylinder inlet length 20 mm
rectangle internal length 33 mm
rectangle internal height 30 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 150×50 mm, thickness 2 mm (📦 #1632)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 150×50 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 inner dimensions 150×50 mm. The wall thickness is 2 mm and the total length is 150 mm.
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
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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 150×50 mm, thickness 2 mm (📦 #1615)

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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
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Round-to-Rectangular Tube Adapter STL file ⌀126 mm to 139×63.5 mm, thickness 3 mm + offset (📦 #2121)

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Round-to-Rectangular Tube Adapter STL file ⌀126 mm to 139×63.5 mm, thickness 3 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀126 mm and a rectangular section with internal dimensions 139×63.5 mm. The wall 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.
Parameter Value Unit
cylinder outer diameter 126 mm
cylinder inlet length 30 mm
rectangle internal length 139 mm
rectangle internal height 63.5 mm
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offset Y 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 105×50 mm, thickness 2 mm (📦 #1772)

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Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀80 mm and a rectangular section with inner dimensions 105×50 mm. The wall thickness is 2 mm and the total length is 150 mm.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 50 mm
rectangle internal length 105 mm
rectangle internal height 50 mm
rectangle inlet length 50 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀106 mm to 50×50 mm, thickness 3 mm (📦 #2954)

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Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀106 mm and a rectangular section with internal dimensions 50×50 mm. The wall thickness is 3 mm and the overall length is 100 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 106 mm
cylinder inlet length 15 mm
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rectangle internal height 50 mm
rectangle inlet length 60 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀85 mm to 105×50 mm, thickness 2 mm (📦 #1654)

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Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀85 mm and a rectangular section with internal dimensions 105×50 mm. The shell thickness is 2 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 85 mm
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rectangle internal length 105 mm
rectangle internal height 50 mm
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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 62×82 mm, thickness 2 mm (📦 #2599)

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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 105 mm
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Parameter Value Unit
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cylinder inlet length 50 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀65 mm to 62×82 mm, thickness 2 mm (📦 #2595)

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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
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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
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Round-to-Rectangular Tube Adapter STL 3D file ⌀85 mm to 105×50 mm, thickness 2 mm + offset (📦 #1656)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀85 mm to 105×50 mm, thickness 2 mm + offset
Download this model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀85 mm and a rectangular section with internal dimensions 105×50 mm. The shell thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 15 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 85 mm
cylinder inlet length 50 mm
rectangle internal length 105 mm
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Round-to-Rectangular Tube Adapter STL file ⌀58 mm to 62×82 mm, thickness 2 mm (📦 #2596)

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Round-to-Rectangular Tube Adapter STL file ⌀58 mm to 62×82 mm, thickness 2 mm
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀58 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 present on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 58 mm
cylinder inlet length 30 mm
rectangle internal length 62 mm
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thickness 2 mm
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1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀106 mm to 92.6×71 mm, thickness 2 mm + offset
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀106 mm and a rectangular section with internal dimensions 92.6×71 mm. The shell thickness is 2 mm and the overall length is 170 mm. The adapter has an offset of 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 106 mm
cylinder inlet length 50 mm
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Round-to-Rectangular Tube Adapter STL file ⌀57 mm to 36×25.6 mm, thickness 3 mm (📦 #2993)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀57 mm to 36×25.6 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀57 mm and a rectangular section with internal dimensions 36×25.6 mm. The wall thickness is 3 mm and the overall length is 96 mm.
Parameter Value Unit
cylinder outer diameter 57 mm
cylinder inlet length 25 mm
rectangle internal length 36 mm
rectangle internal height 25.6 mm
rectangle inlet length 50 mm
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offset Y 0 mm
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Round-to-Rectangular Tube Adapter STL file ⌀92 mm to 160×80 mm, thickness 2 mm + offset (📦 #3422)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀92 mm to 160×80 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀92 mm and a rectangular section with internal dimensions 160×80 mm. The shell thickness is 2 mm and the overall length is 140 mm. The adapter has an offset of 12.5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 92 mm
cylinder inlet length 50 mm
rectangle internal length 160 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
offset Z 12.5 mm
offset Y 0 mm
total length 140 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀126 mm to 30×63.5 mm, thickness 3 mm + offset (📦 #2122)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀126 mm to 30×63.5 mm, thickness 3 mm + offset
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀126 mm and a rectangular section with internal dimensions 30×63.5 mm. The wall thickness is 3 mm and the total length is 150 mm. The adapter has an offset of 3 mm along the Y axis and 20.0 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 126 mm
cylinder inlet length 30 mm
rectangle internal length 30 mm
rectangle internal height 63.5 mm
rectangle inlet length 80 mm
offset Z 20.0 mm
offset Y 3 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀57 mm to 29×19 mm, thickness 3 mm (📦 #2991)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀57 mm to 29×19 mm, thickness 3 mm
3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀57 mm and a rectangular section with internal dimensions 29×19 mm. The wall thickness is 3 mm and the total length is 96 mm.
Parameter Value Unit
cylinder outer diameter 57 mm
cylinder inlet length 25 mm
rectangle internal length 29 mm
rectangle internal height 19 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 96 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 97×47 mm, thickness 2 mm (📦 #2920)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 97×47 mm, thickness 2 mm
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 10 mm
rectangle internal length 97 mm
rectangle internal height 47 mm
rectangle inlet length 30 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 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 ⌀65 mm to 50×63 mm, thickness 2 mm (📦 #2228)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀65 mm to 50×63 mm, thickness 2 mm
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀65 mm and a rectangular section with inner dimensions 50×63 mm. The shell thickness is 2 mm and the overall length is 80 mm. A chamfer is applied on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 65 mm
cylinder inlet length 30 mm
rectangle internal length 50 mm
rectangle internal height 63 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL 3D file ⌀115 mm to 196×20 mm, thickness 2 mm (📦 #2115)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀115 mm to 196×20 mm, thickness 2 mm
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀115 mm and a rectangular section with inner dimensions 196×20 mm. The shell thickness is 2 mm and the overall length is 200 mm.
Parameter Value Unit
cylinder outer diameter 115 mm
cylinder inlet length 40 mm
rectangle internal length 196 mm
rectangle internal height 20 mm
rectangle inlet length 53 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀85 mm to 105×50 mm, thickness 2 mm + offset (📦 #1655)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀85 mm to 105×50 mm, thickness 2 mm + offset
3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀85 mm and a rectangular section with internal dimensions 105×50 mm. The wall thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 23 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 85 mm
cylinder inlet length 50 mm
rectangle internal length 105 mm
rectangle internal height 50 mm
rectangle inlet length 46 mm
offset Z 23 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 150×50 mm, thickness 2 mm (📦 #1616)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 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 applied 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 40 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 26×26 mm, thickness 2 mm (📦 #3004)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀20 mm to 26×26 mm, thickness 2 mm
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀20 mm and a rectangular section with inner dimensions 26×26 mm. The shell thickness is 2 mm and the total length is 90 mm.
Parameter Value Unit
cylinder outer diameter 20 mm
cylinder inlet length 30 mm
rectangle internal length 26 mm
rectangle internal height 26 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 90 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 119×68 mm, thickness 2 mm (📦 #2603)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 119×68 mm, thickness 2 mm
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 119×68 mm. The shell thickness is 2 mm and the overall length is 76 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
rectangle internal length 119 mm
rectangle internal height 68 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 76 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 119×72 mm, thickness 2 mm (📦 #2600)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 119×72 mm, thickness 2 mm
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 119×72 mm. The wall thickness is 2 mm and the overall length is 76 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
rectangle internal length 119 mm
rectangle internal height 72 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 76 mm
thickness 2 mm
chamfer no chamfer