Custom Round-to-Rectangular Tube Adapter STL file ⌀151 mm to 150×150 mm, thickness 2 mm + offset 📦#7848

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Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀151 mm and a rectangular section with internal dimensions 150×150 mm. The wall thickness is 2 mm and the total length is 50.2 mm. The adapter has an offset of 1 mm along the Y axis and 1 mm along the Z axis. A chamfer is applied on the inside of the rectangular end.
Generation date: 2026-03-16
3D Model Round-to-Rectangular Tube Adapter STL file ⌀151 mm to 150×150 mm, thickness 2 mm + offset

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  • round-to-rectangular-adapter-d_model7848-nb0_dd{id}.stl : 3.8 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 151 mm (≃5 15/16 in)
#2 cylinder inlet length 20 mm (≃0.79 in)
#3 rectangle internal length 150 mm (≃5.91 in)
#4 rectangle internal height 150 mm (≃5.91 in)
#5 rectangle inlet length 10 mm (≃0.39 in)
#6 offset Z 1 mm (≃0.04 in)
#7 offset Y 1 mm (≃0.04 in)
#8 total length 50.2 mm (≃1.98 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer chamfer on the inside
of the rectangular tube
Metadata Value
Cylinder internal diameter 147 mm (≃5.79 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

Related 3D models

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 adapter with an outer diameter of ⌀151 mm and a rectangular section with internal dimensions 150×150 mm. The shell thickness is 2 mm and the total length is 60 mm. The adapter has an offset of 1 mm along the Y axis and 1 mm along the Z axis. A chamfer is present on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 151 mm
cylinder inlet length 20 mm
rectangle internal length 150 mm
rectangle internal height 150 mm
rectangle inlet length 10 mm
offset Z 1 mm
offset Y 1 mm
total length 60 mm
thickness 2 mm
chamfer chamfer on t...
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 120×120 mm. The wall thickness is 2 mm and the overall length is 60 mm. A chamfer is applied on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 100 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 60 mm
thickness 2 mm
chamfer chamfer on t...
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀151 mm and a rectangular section with internal dimensions 220×75 mm. The wall thickness is 2 mm and the overall length is 60 mm. The adapter has an offset of 1 mm along the Y axis and 1 mm along the Z axis. A chamfer is present on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 151 mm
cylinder inlet length 20 mm
rectangle internal length 220 mm
rectangle internal height 75 mm
rectangle inlet length 10 mm
offset Z 1 mm
offset Y 1 mm
total length 60 mm
thickness 2 mm
chamfer chamfer on t...
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀154 mm and a rectangular section with inner dimensions 146×136 mm. The shell thickness is 2 mm and the total length is 50 mm.
Parameter Value Unit
cylinder outer diameter 154 mm
cylinder inlet length 20 mm
rectangle internal length 146 mm
rectangle internal height 136 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 2 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with internal dimensions 135×100 mm. The shell thickness is 2 mm and the overall length is 60 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 20 mm
rectangle internal length 135 mm
rectangle internal height 100 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 60 mm
thickness 2 mm
chamfer chamfer on t...
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀95 mm and a rectangular section with internal dimensions 126×121 mm. The wall thickness is 2 mm and the total length is 80 mm. A chamfer is applied on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 95 mm
cylinder inlet length 20 mm
rectangle internal length 126 mm
rectangle internal height 121 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 2 mm
chamfer chamfer on t...
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀145 mm and a rectangular section with inner dimensions 120×120 mm. The shell thickness is 2 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 145 mm
cylinder inlet length 15 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 15 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 2 mm
chamfer no chamfer
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀95 mm and a rectangular section with inner dimensions 126×121 mm. The wall thickness is 2 mm and the total length is 95 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 95 mm
cylinder inlet length 20 mm
rectangle internal length 126 mm
rectangle internal height 121 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 95 mm
thickness 2 mm
chamfer chamfer on t...
3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀92 mm and a rectangular section with internal dimensions 175×100 mm. The wall thickness is 2 mm and the overall length is 53.4 mm. A chamfer is applied on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 92 mm
cylinder inlet length 25 mm
rectangle internal length 175 mm
rectangle internal height 100 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 53.4 mm
thickness 2 mm
chamfer chamfer on t...
Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀148 mm and a rectangular section with inner dimensions 197×159 mm. The shell thickness is 3 mm and the overall length is 91.3 mm. The adapter has an offset of 2 mm along the Y axis and 2 mm along the Z axis. A chamfer is applied on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 148 mm
cylinder inlet length 35 mm
rectangle internal length 197 mm
rectangle internal height 159 mm
rectangle inlet length 30 mm
offset Z 2 mm
offset Y 2 mm
total length 91.3 mm
thickness 3 mm
chamfer chamfer on t...
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀145 mm and a rectangular section with inner dimensions 120×120 mm. The shell thickness is 2 mm and the total length is 100 mm. A chamfer is applied on the inside of the rectangular end.
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
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfer on t...
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀73 mm and a rectangular section with internal dimensions 151×151 mm. The wall thickness is 2 mm and the total length is 50 mm. The adapter has an offset of 2 mm along the Y axis and 2 mm along the Z axis. 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 73 mm
cylinder inlet length 20 mm
rectangle internal length 151 mm
rectangle internal height 151 mm
rectangle inlet length 5 mm
offset Z 2 mm
offset Y 2 mm
total length 50 mm
thickness 2 mm
chamfer chamfers on ...
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀150 mm and a rectangular section with internal dimensions 120×120 mm. The wall thickness is 2 mm and the overall length is 100 mm.
Parameter Value Unit
cylinder outer diameter 150 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
thickness 2 mm
chamfer no chamfer
File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀73 mm and a rectangular section with inner dimensions 151×151 mm. The wall thickness is 2 mm and the total length is 50 mm. The adapter has an offset of 2 mm along the Y axis and 2 mm along the Z axis. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 73 mm
cylinder inlet length 15 mm
rectangle internal length 151 mm
rectangle internal height 151 mm
rectangle inlet length 5 mm
offset Z 2 mm
offset Y 2 mm
total length 50 mm
thickness 2 mm
chamfer chamfers on ...
3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀73 mm and a rectangular section with internal dimensions 151×151 mm. The wall thickness is 2 mm and the overall length is 60 mm. The adapter has an offset of 2 mm along the Y axis and 2 mm along the Z axis. 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 73 mm
cylinder inlet length 15 mm
rectangle internal length 151 mm
rectangle internal height 151 mm
rectangle inlet length 15 mm
offset Z 2 mm
offset Y 2 mm
total length 60 mm
thickness 2 mm
chamfer chamfers on ...
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀80 mm and a rectangular section with inner dimensions 104.5×145.4 mm. The shell thickness is 2 mm and the total length is 90 mm. The adapter has an offset of 2 mm along the Y axis and 2 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 80 mm
cylinder inlet length 20 mm
rectangle internal length 104.5 mm
rectangle internal height 145.4 mm
rectangle inlet length 10 mm
offset Z 2 mm
offset Y 2 mm
total length 90 mm
thickness 2 mm
chamfer chamfers on ...
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀80 mm and a rectangular section with internal dimensions 100.5×141.4 mm. The shell thickness is 2 mm and the overall length is 90 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 80 mm
cylinder inlet length 20 mm
rectangle internal length 100.5 mm
rectangle internal height 141.4 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 90 mm
thickness 2 mm
chamfer chamfers on ...
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀73 mm and a rectangular section with inner dimensions 151×151 mm. The shell thickness is 2 mm and the total length is 50 mm. The adapter has an offset of 2 mm along the Y axis and 2 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 73 mm
cylinder inlet length 5 mm
rectangle internal length 151 mm
rectangle internal height 151 mm
rectangle inlet length 15 mm
offset Z 2 mm
offset Y 2 mm
total length 50 mm
thickness 2 mm
chamfer chamfers on ...
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀152.4 mm and a rectangular section with internal dimensions 178×254 mm. The shell thickness is 2 mm and the total length is 78 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 152.4 mm
cylinder inlet length 20 mm
rectangle internal length 178 mm
rectangle internal height 254 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 78 mm
thickness 2 mm
chamfer chamfer on t...
3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀78 mm and a rectangular section with internal dimensions 120×120 mm. The shell thickness is 2 mm and the total length is 100 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 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
thickness 2 mm
chamfer chamfers on ...
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀150 mm and a rectangular section with internal dimensions 220×75 mm. The shell thickness is 3 mm and the overall length is 80 mm. The adapter has an offset of 2 mm along the Y axis and 2 mm along the Z axis. A chamfer is present on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 20 mm
rectangle internal length 220 mm
rectangle internal height 75 mm
rectangle inlet length 20 mm
offset Z 2 mm
offset Y 2 mm
total length 80 mm
thickness 3 mm
chamfer chamfer on t...
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀155 mm and a rectangular section with internal dimensions 123×72 mm. The shell thickness is 2 mm and the total length is 60 mm.
Parameter Value Unit
cylinder outer diameter 155 mm
cylinder inlet length 20 mm
rectangle internal length 123 mm
rectangle internal height 72 mm
rectangle inlet length 10 mm
offset Z 0 mm
offset Y 0 mm
total length 60 mm
thickness 2 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀195 mm and a rectangular section with internal dimensions 185×185 mm. The shell thickness is 3 mm and the overall length is 80 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 195 mm
cylinder inlet length 20 mm
rectangle internal length 185 mm
rectangle internal height 185 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 3 mm
chamfer chamfers on ...
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀170 mm and a rectangular section with inner dimensions 110×55 mm. The shell thickness is 2 mm and the total length is 60 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 170 mm
cylinder inlet length 15 mm
rectangle internal length 110 mm
rectangle internal height 55 mm
rectangle inlet length 15 mm
offset Z 14 mm
offset Y 0 mm
total length 60 mm
thickness 2 mm
chamfer chamfers on ...
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀150 mm and a rectangular section with internal dimensions 150×50 mm. The shell thickness is 2 mm and the total length is 60 mm. The adapter has an offset of 17.5 mm along the Z axis. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 15 mm
rectangle internal length 150 mm
rectangle internal height 50 mm
rectangle inlet length 10 mm
offset Z 17.5 mm
offset Y 0 mm
total length 60 mm
thickness 2 mm
chamfer chamfers on ...
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀110 mm and a rectangular section with internal dimensions 119×85 mm. The wall thickness is 3 mm and the overall length is 50 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 110 mm
cylinder inlet length 10 mm
rectangle internal length 119 mm
rectangle internal height 85 mm
rectangle inlet length 10 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 3 mm
chamfer chamfers on ...
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
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 2 mm
chamfer chamfers on ...
Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀75 mm and a rectangular section with inner dimensions 99×101 mm. The wall thickness is 2 mm and the total length is 65 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 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 tube adapter with an outer diameter of ⌀160 mm and a rectangular section with internal dimensions 194×194 mm. The shell thickness is 3 mm and the total length is 99 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 160 mm
cylinder inlet length 35 mm
rectangle internal length 194 mm
rectangle internal height 194 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 99 mm
thickness 3 mm
chamfer chamfers on ...