Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 198×98 mm, thickness 2 mm 📦#1970

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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 152 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Generation date: 2025-09-24
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 198×98 mm, thickness 2 mm

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  • round-to-rectangular-adapter-d_model1970-nb0_dd{id}.stl : 4.1 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 150 mm (≃5.91 in)
#2 cylinder inlet length 75 mm (≃2 15/16 in)
#3 rectangle internal length 198 mm (≃7.80 in)
#4 rectangle internal height 98 mm (≃3.86 in)
#5 rectangle inlet length 50 mm (≃1.97 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 152 mm (≃5.98 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer chamfers on the outside
of the cylindrical tube
and on the inside of
the rectangular tube
Metadata Value
Cylinder internal diameter 146 mm (≃5 3/4 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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To search for a model based on your own parameters, go to the template page Round to rectangular adapter 

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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Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 60 mm
rectangle internal length 240 mm
rectangle internal height 100 mm
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thickness 3 mm
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Parameter Value Unit
cylinder outer diameter 123 mm
cylinder inlet length 80 mm
rectangle internal length 240 mm
rectangle internal height 120 mm
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offset Y 0 mm
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thickness 2 mm
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Parameter Value Unit
cylinder outer diameter 88 mm
cylinder inlet length 80 mm
rectangle internal length 220 mm
rectangle internal height 70 mm
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Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 50 mm
rectangle internal length 240 mm
rectangle internal height 120 mm
rectangle inlet length 50 mm
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Parameter Value Unit
cylinder outer diameter 202 mm
cylinder inlet length 80 mm
rectangle internal length 225 mm
rectangle internal height 110 mm
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thickness 3 mm
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Parameter Value Unit
cylinder outer diameter 105 mm
cylinder inlet length 50 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 51 mm
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Parameter Value Unit
cylinder outer diameter 145 mm
cylinder inlet length 50 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 20 mm
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thickness 2 mm
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Parameter Value Unit
cylinder outer diameter 108 mm
cylinder inlet length 40 mm
rectangle internal length 154 mm
rectangle internal height 84 mm
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Parameter Value Unit
cylinder outer diameter 108 mm
cylinder inlet length 40 mm
rectangle internal length 152 mm
rectangle internal height 82 mm
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offset Z 0 mm
offset Y 0 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 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
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Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 56 mm
rectangle internal length 226 mm
rectangle internal height 90 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
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thickness 2 mm
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Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀154 mm and a rectangular section with internal dimensions 226×90 mm. The shell thickness is 2 mm and the total length is 150 mm.
Parameter Value Unit
cylinder outer diameter 154 mm
cylinder inlet length 56 mm
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3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀114.3 mm and a rectangular section with internal dimensions 200.5×170.5 mm. The shell thickness is 3 mm and the total length is 128 mm. The adapter has an offset of 14 mm along the Z axis. A chamfer is applied on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 114.3 mm
cylinder inlet length 50 mm
rectangle internal length 200.5 mm
rectangle internal height 170.5 mm
rectangle inlet length 50 mm
offset Z 14 mm
offset Y 0 mm
total length 128 mm
thickness 3 mm
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Parameter Value Unit
cylinder outer diameter 102 mm
cylinder inlet length 70 mm
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Parameter Value Unit
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cylinder inlet length 30 mm
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Parameter Value Unit
cylinder outer diameter 101.6 mm
cylinder inlet length 51 mm
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rectangle internal height 57 mm
rectangle inlet length 51 mm
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offset Y 0 mm
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Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀99.5 mm and a rectangular section with inner dimensions 170×100 mm. The wall thickness is 2 mm and the overall length is 120 mm. 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 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
total length 120 mm
thickness 2 mm
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File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀101.6 mm and a rectangular section with inner dimensions 210.5×170.5 mm. The wall thickness is 3 mm and the overall length is 110 mm. The adapter has an offset of 14 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 101.6 mm
cylinder inlet length 50 mm
rectangle internal length 210.5 mm
rectangle internal height 170.5 mm
rectangle inlet length 30 mm
offset Z 14 mm
offset Y 0 mm
total length 110 mm
thickness 3 mm
chamfer chamfers on ...
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Parameter Value Unit
cylinder outer diameter 92 mm
cylinder inlet length 100 mm
rectangle internal length 200 mm
rectangle internal height 30 mm
rectangle inlet length 35 mm
offset Z 0 mm
offset Y 0 mm
total length 220 mm
thickness 3 mm
chamfer chamfers on ...
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Parameter Value Unit
cylinder outer diameter 99.7 mm
cylinder inlet length 35 mm
rectangle internal length 152.5 mm
rectangle internal height 52.5 mm
rectangle inlet length 55 mm
offset Z 0 mm
offset Y 0 mm
total length 225 mm
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chamfer chamfers on ...
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Parameter Value Unit
cylinder outer diameter 106 mm
cylinder inlet length 100 mm
rectangle internal length 200 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 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
rectangle inlet length 80 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer chamfer on t...
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 200×25 mm. The shell thickness is 3 mm and the overall length is 220 mm. 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 100 mm
cylinder inlet length 100 mm
rectangle internal length 200 mm
rectangle internal height 25 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 220 mm
thickness 3 mm
chamfer chamfers on ...
Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀195 mm and a rectangular section with internal dimensions 185×185 mm. The shell thickness is 3 mm and the total length is 160 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 195 mm
cylinder inlet length 40 mm
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rectangle inlet length 50 mm
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3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀95 mm and a rectangular section with internal dimensions 200×25 mm. The shell thickness is 3 mm and the total length is 220 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 95 mm
cylinder inlet length 100 mm
rectangle internal length 200 mm
rectangle internal height 25 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
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thickness 3 mm
chamfer chamfers on ...
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀150 mm and a rectangular section with internal dimensions 200×115 mm. The shell thickness is 4 mm and the total length is 200 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 200 mm
rectangle internal height 115 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 4 mm
chamfer chamfers on ...