Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 145.5×147.5 mm, thickness 5 mm 📦#6185

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File in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with inner dimensions 145.5×147.5 mm. The wall thickness is 5 mm and the total length is 65 mm.
Generation date: 2026-01-07
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 145.5×147.5 mm, thickness 5 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model6185-nb0_dd{id}.stl : 5.3 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 40 mm (≃1 9/16 in)
#3 rectangle internal length 145.5 mm (≃5.73 in)
#4 rectangle internal height 147.5 mm (≃5 13/16 in)
#5 rectangle inlet length 5 mm (≃3/16 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 65 mm (≃2 9/16 in)
#9 thickness 5 mm (≃3/16 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 90 mm (≃3.54 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 external diameter of ⌀100 mm and a rectangular section with internal dimensions 138×139 mm. The shell thickness is 5 mm and the overall length is 65 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 40 mm
rectangle internal length 138 mm
rectangle internal height 139 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 65 mm
thickness 5 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 135.5×137.5 mm, thickness 5 mm (📦 #6186)

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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 40 mm
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rectangle internal height 137.5 mm
rectangle inlet length 5 mm
offset Z 0 mm
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Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 90×140 mm, thickness 5 mm (📦 #9157)

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Parameter Value Unit
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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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 125.5×127.5 mm, thickness 5 mm
File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀100 mm and a rectangular section with inner dimensions 125.5×127.5 mm. The shell thickness is 5 mm and the total length is 100 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
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Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 135.5×137.5 mm. The wall thickness is 5 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 10 mm
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rectangle internal height 137.5 mm
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cylinder outer diameter 110 mm
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cylinder inlet length 20 mm
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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 100 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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Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with internal dimensions 125.5×127.5 mm. The shell thickness is 5 mm and the total length is 60 mm.
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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File in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 138×139 mm. The shell thickness is 5 mm and the total length is 200 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
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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 ⌀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
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thickness 5 mm
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Parameter Value Unit
cylinder outer diameter 94 mm
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Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀120 mm and a rectangular section with inner dimensions 65×65 mm. The shell thickness is 5 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 120 mm
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rectangle internal length 65 mm
rectangle internal height 65 mm
rectangle inlet length 5 mm
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offset Y 0 mm
total length 50 mm
thickness 5 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
Round-to-Rectangular Tube Adapter STL file ⌀79 mm to 121×56 mm, thickness 4 mm
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Parameter Value Unit
cylinder outer diameter 79 mm
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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
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rectangle internal height 145 mm
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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 ⌀100 mm to 280×140 mm, thickness 5 mm (📦 #9226)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 280×140 mm, thickness 5 mm
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 280×140 mm. The wall thickness is 5 mm and the total length is 150 mm. A chamfer is applied on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 50 mm
rectangle internal length 280 mm
rectangle internal height 140 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 5 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀127 mm to 215×50 mm, thickness 5 mm + offset (📦 #1828)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀127 mm to 215×50 mm, thickness 5 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀127 mm and a rectangular section with inner dimensions 215×50 mm. The shell thickness is 5 mm and the overall length is 70 mm. The adapter has an offset of 10 mm along the Y axis and 10 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 127 mm
cylinder inlet length 20 mm
rectangle internal length 215 mm
rectangle internal height 50 mm
rectangle inlet length 20 mm
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offset Y 10 mm
total length 70 mm
thickness 5 mm
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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
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Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 55×55 mm, thickness 5 mm (📦 #4123)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 55×55 mm, thickness 5 mm
Download this 3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀120 mm and a rectangular section with inner dimensions 55×55 mm. The wall thickness is 5 mm and the total length is 50 mm.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 5 mm
rectangle internal length 55 mm
rectangle internal height 55 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 5 mm
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Round-to-Rectangular Tube Adapter STL file ⌀74 mm to 128×30 mm, thickness 4 mm (📦 #3082)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀74 mm to 128×30 mm, thickness 4 mm
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 ⌀120 mm to 45×45 mm, thickness 5 mm (📦 #4113)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 45×45 mm, thickness 5 mm
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀120 mm and a rectangular section with internal dimensions 45×45 mm. The shell thickness is 5 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 10 mm
rectangle internal length 45 mm
rectangle internal height 45 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 5 mm
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Round-to-Rectangular Tube Adapter STL file ⌀60 mm to 120×120 mm, thickness 3 mm (📦 #6451)

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 ⌀60 mm and a rectangular section with inner dimensions 120×120 mm. The shell thickness is 3 mm and the total length is 80 mm.
Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 30 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 17 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 105×105 mm, thickness 3 mm (📦 #1748)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 105×105 mm, thickness 3 mm
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀75 mm and a rectangular section with inner dimensions 105×105 mm. The shell thickness is 3 mm and the overall length is 80 mm.
Parameter Value Unit
cylinder outer diameter 75 mm
cylinder inlet length 30 mm
rectangle internal length 105 mm
rectangle internal height 105 mm
rectangle inlet length 19 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 3 mm
chamfer no chamfer