Custom Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 90×140 mm, thickness 5 mm 📦#9157

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Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀120 mm and a rectangular section with internal dimensions 90×140 mm. The wall thickness is 5 mm and the overall length is 95 mm.
Generation date: 2026-05-26
3D Model Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 90×140 mm, thickness 5 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model9157-nb0_dd{id}.stl : 1.2 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 120 mm (≃4.72 in)
#2 cylinder inlet length 20 mm (≃0.79 in)
#3 rectangle internal length 90 mm (≃3.54 in)
#4 rectangle internal height 140 mm (≃5 1/2 in)
#5 rectangle inlet length 10 mm (≃0.39 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 95 mm (≃3 3/4 in)
#9 thickness 5 mm (≃3/16 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 110 mm (≃4.33 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
cylinder outer diameter 100 mm
cylinder inlet length 10 mm
rectangle internal length 135.5 mm
rectangle internal height 137.5 mm
rectangle inlet length 10 mm
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total length 50 mm
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Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 20 mm
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rectangle internal height 80 mm
rectangle inlet length 10 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 125.5×127.5 mm, thickness 5 mm (📦 #6188)

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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 5 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
cylinder inlet length 20 mm
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 40 mm
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cylinder outer diameter 120 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 125.5×127.5 mm, thickness 5 mm (📦 #6187)

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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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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 240×120 mm, thickness 5 mm (📦 #4087)

1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 240×120 mm, thickness 5 mm (📦 #4084)

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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 240×120 mm, thickness 5 mm
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 240×120 mm. The shell thickness is 5 mm and the total length is 80 mm. A chamfer is applied on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 240×120 mm, thickness 5 mm (📦 #4158)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 240×120 mm, thickness 5 mm
Download this model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 240×120 mm. The wall thickness is 5 mm and the total length is 100 mm. A chamfer is present on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
rectangle internal length 240 mm
rectangle internal height 120 mm
rectangle inlet length 27 mm
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offset Y 0 mm
total length 100 mm
thickness 5 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀50 mm to 149.5×145 mm, thickness 4 mm (📦 #6247)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀50 mm to 149.5×145 mm, thickness 4 mm
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀50 mm and a rectangular section with internal dimensions 149.5×145 mm. The wall thickness is 4 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 5 mm
rectangle internal length 149.5 mm
rectangle internal height 145 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 4 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀133 mm to 81×56 mm, thickness 4 mm (📦 #7818)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀133 mm to 81×56 mm, thickness 4 mm
Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀133 mm and a rectangular section with internal dimensions 81×56 mm. The wall thickness is 4 mm and the total length is 100 mm. A chamfer is applied on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 133 mm
cylinder inlet length 30 mm
rectangle internal length 81 mm
rectangle internal height 56 mm
rectangle inlet length 40 mm
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Round-to-Rectangular Tube Adapter STL file ⌀79 mm to 121×56 mm, thickness 4 mm (📦 #7533)

1 object(s) - format STL
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3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀79 mm and a rectangular section with internal dimensions 121×56 mm. The shell thickness is 4 mm and the total length is 90 mm.
Parameter Value Unit
cylinder outer diameter 79 mm
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rectangle internal height 56 mm
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 25 mm
rectangle internal length 53 mm
rectangle internal height 35 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 5 mm
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Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 128×30 mm, thickness 4 mm (📦 #2437)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 128×30 mm, thickness 4 mm
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀78 mm and a rectangular section with internal dimensions 128×30 mm. The shell thickness is 4 mm and the total length is 80 mm.
Parameter Value Unit
cylinder outer diameter 78 mm
cylinder inlet length 20 mm
rectangle internal length 128 mm
rectangle internal height 30 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 4 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀79 mm to 121×56 mm, thickness 4 mm + offset (📦 #7534)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀79 mm to 121×56 mm, thickness 4 mm + offset
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀79 mm and a rectangular section with internal dimensions 121×56 mm. The shell thickness is 4 mm and the total length is 90 mm. The adapter has an offset of 10 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 79 mm
cylinder inlet length 35 mm
rectangle internal length 121 mm
rectangle internal height 56 mm
rectangle inlet length 35 mm
offset Z 10 mm
offset Y 0 mm
total length 90 mm
thickness 4 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀74 mm to 128×30 mm, thickness 4 mm (📦 #3082)

1 object(s) - format STL
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3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀74 mm and a rectangular section with internal dimensions 128×30 mm. The shell thickness is 4 mm and the total length is 80 mm.
Parameter Value Unit
cylinder outer diameter 74 mm
cylinder inlet length 20 mm
rectangle internal length 128 mm
rectangle internal height 30 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 4 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀160 mm to 70×189 mm, thickness 5 mm + offset (📦 #9095)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀160 mm to 70×189 mm, thickness 5 mm + offset
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀160 mm and a rectangular section with inner dimensions 70×189 mm. The shell thickness is 5 mm and the total length is 130 mm. The adapter has an offset of 5 mm along the Y axis and 5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 160 mm
cylinder inlet length 50 mm
rectangle internal length 70 mm
rectangle internal height 189 mm
rectangle inlet length 50 mm
offset Z 5 mm
offset Y 5 mm
total length 130 mm
thickness 5 mm
chamfer no chamfer