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Round-to-Rectangular Tube Adapter STL 3D file ⌀148 mm to 145.0×70 mm, thickness 3 mm 📦#2301

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Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀148 mm and a rectangular section with internal dimensions 145.0×70 mm. The wall thickness is 3 mm and the total length is 100 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Generation date: 2025-10-08
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀148 mm to 145.0×70 mm, thickness 3 mm

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Free
  • round-to-rectangular-adapter-d_model2301-nb0_dd{id}.stl : 1.6 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 148 mm
#2 cylinder inlet length 25 mm
#3 rectangle internal length 145.0 mm
#4 rectangle internal height 70 mm
#5 rectangle inlet length 25 mm
#6 offset Z 0 mm
#7 offset Y 0 mm
#8 total length 100 mm
#9 thickness 3 mm
#10 chamfer chamfers on the outside
of the cylindrical tube
and on the inside of
the rectangular tube
illustration of the parameters
Representation of the parameters

  • 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 110 mm
cylinder inlet length 30 mm
rectangle internal length 100 mm
rectangle internal height 100 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 80 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 60 mm
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 38 mm
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Parameter Value Unit
cylinder outer diameter 110 mm
cylinder inlet length 10 mm
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Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 30 mm
rectangle internal length 150 mm
rectangle internal height 50 mm
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Parameter Value Unit
cylinder outer diameter 99.5 mm
cylinder inlet length 30 mm
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rectangle internal height 100 mm
rectangle inlet length 30 mm
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Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 30 mm
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Parameter Value Unit
cylinder outer diameter 75 mm
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Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 15 mm
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rectangle internal height 80 mm
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Parameter Value Unit
cylinder outer diameter 120 mm
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 30 mm
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rectangle internal height 50 mm
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Parameter Value Unit
cylinder outer diameter 99.5 mm
cylinder inlet length 30 mm
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Parameter Value Unit
cylinder outer diameter 108.7 mm
cylinder inlet length 20 mm
rectangle internal length 110 mm
rectangle internal height 55 mm
rectangle inlet length 20 mm
offset Z 13 mm
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
rectangle internal length 110 mm
rectangle internal height 55 mm
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Parameter Value Unit
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cylinder inlet length 15 mm
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Parameter Value Unit
cylinder outer diameter 56 mm
cylinder inlet length 15 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
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thickness 3 mm
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Parameter Value Unit
cylinder outer diameter 148 mm
cylinder inlet length 25 mm
rectangle internal length 145.0 mm
rectangle internal height 70 mm
rectangle inlet length 80 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer chamfers on ...
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Parameter Value Unit
cylinder outer diameter 78 mm
cylinder inlet length 20 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
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Parameter Value Unit
cylinder outer diameter 99.5 mm
cylinder inlet length 30 mm
rectangle internal length 170 mm
rectangle internal height 100 mm
rectangle inlet length 30 mm
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offset Y 0 mm
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Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 30 mm
rectangle internal length 60 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 0 mm
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total length 100 mm
thickness 2 mm
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Parameter Value Unit
cylinder outer diameter 75 mm
cylinder inlet length 25 mm
rectangle internal length 99 mm
rectangle internal height 101 mm
rectangle inlet length 16 mm
offset Z 0 mm
offset Y 0 mm
total length 65 mm
thickness 2 mm
chamfer chamfers on ...
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀80 mm and a rectangular section with internal dimensions 80×80 mm. The wall thickness is 3 mm and the total length is 50 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 15 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 15 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 3 mm
chamfer chamfer on t...
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀140 mm and a rectangular section with internal dimensions 80×80 mm. The wall thickness is 3 mm and the overall length is 80 mm.
Parameter Value Unit
cylinder outer diameter 140 mm
cylinder inlet length 30 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 3 mm
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Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀150 mm and a rectangular section with internal dimensions 198×98 mm. The shell thickness is 2 mm and the overall length is 127 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 50 mm
rectangle internal length 198 mm
rectangle internal height 98 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 127 mm
thickness 2 mm
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Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀126 mm and a rectangular section with inner dimensions 145×69.5 mm. The wall thickness is 3 mm and the total length is 64.5 mm. The adapter has an offset of 8.0 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 126 mm
cylinder inlet length 20 mm
rectangle internal length 145 mm
rectangle internal height 69.5 mm
rectangle inlet length 11 mm
offset Z 8.0 mm
offset Y 0 mm
total length 64.5 mm
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Download this 3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀119 mm and a rectangular section with inner dimensions 114×79 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 10.5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 119 mm
cylinder inlet length 30 mm
rectangle internal length 114 mm
rectangle internal height 79 mm
rectangle inlet length 30 mm
offset Z 10.5 mm
offset Y 3 mm
total length 100 mm
thickness 3 mm
chamfer no chamfer
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀75 mm and a rectangular section with inner dimensions 125×22 mm. The shell thickness is 3 mm and the overall length is 125 mm. The adapter has an offset of 12.5 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 75 mm
cylinder inlet length 50 mm
rectangle internal length 125 mm
rectangle internal height 22 mm
rectangle inlet length 50 mm
offset Z 12.5 mm
offset Y 0 mm
total length 125 mm
thickness 3 mm
chamfer chamfers on ...
File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀126.0 mm and a rectangular section with inner dimensions 120×70 mm. The wall thickness is 3 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 126.0 mm
cylinder inlet length 15 mm
rectangle internal length 120 mm
rectangle internal height 70 mm
rectangle inlet length 15 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 3 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀122 mm and a rectangular section with internal dimensions 220×90 mm. The wall thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 30 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 122 mm
cylinder inlet length 25 mm
rectangle internal length 220 mm
rectangle internal height 90 mm
rectangle inlet length 35 mm
offset Z 30 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
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