Custom Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 230×150 mm, thickness 3 mm 📦#9717

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Download this model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀150 mm and a rectangular section with inner dimensions 230×150 mm. The wall thickness is 3 mm and the total length is 150 mm.
Generation date: 2026-06-29
3D Model Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 230×150 mm, thickness 3 mm

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  • round-to-rectangular-adapter-d_model9717-nb0_dd{id}.stl : 1.7 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 40 mm (≃1 9/16 in)
#3 rectangle internal length 230 mm (≃9 1/16 in)
#4 rectangle internal height 150 mm (≃5.91 in)
#5 rectangle inlet length 20 mm (≃0.79 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 150 mm (≃5.91 in)
#9 thickness 3 mm (≃1/8 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 144 mm (≃5.67 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 model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀150 mm and a rectangular section with inner dimensions 250×120 mm. The shell thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 40 mm
rectangle internal length 250 mm
rectangle internal height 120 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀120 mm and a rectangular section with internal dimensions 205×100 mm. The shell thickness is 3 mm and the total length is 125 mm. The adapter has an offset of 3 mm along the Y axis and 3 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 40 mm
rectangle internal length 205 mm
rectangle internal height 100 mm
rectangle inlet length 12 mm
offset Z 3 mm
offset Y 3 mm
total length 125 mm
thickness 3 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀120 mm and a rectangular section with inner dimensions 205×100 mm. The wall thickness is 3 mm and the total length is 125 mm. The adapter has an offset of 3 mm along the Y axis and 3 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 50 mm
rectangle internal length 205 mm
rectangle internal height 100 mm
rectangle inlet length 15 mm
offset Z 3 mm
offset Y 3 mm
total length 125 mm
thickness 3 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀125 mm and a rectangular section with inner dimensions 220×90 mm. The shell thickness is 3 mm and the total length is 200 mm.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 30 mm
rectangle internal length 220 mm
rectangle internal height 90 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀124 mm and a rectangular section with internal dimensions 250×80 mm. The wall thickness is 3 mm and the total length is 186 mm.
Parameter Value Unit
cylinder outer diameter 124 mm
cylinder inlet length 30 mm
rectangle internal length 250 mm
rectangle internal height 80 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 186 mm
thickness 3 mm
chamfer no chamfer
3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀102 mm and a rectangular section with internal dimensions 170×100 mm. The wall thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 102 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 150 mm
thickness 3 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀120 mm and a rectangular section with inner dimensions 205×100 mm. The shell thickness is 2 mm and the overall length is 125 mm. The adapter has an offset of 2 mm along the Y axis and 3 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 40 mm
rectangle internal length 205 mm
rectangle internal height 100 mm
rectangle inlet length 12 mm
offset Z 3 mm
offset Y 2 mm
total length 125 mm
thickness 2 mm
chamfer no chamfer
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀148 mm and a rectangular section with inner dimensions 228×80 mm. The shell thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 148 mm
cylinder inlet length 50 mm
rectangle internal length 228 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer
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 internal dimensions 196×100 mm. The shell thickness is 2 mm and the overall length is 125 mm. The adapter has an offset of 3 mm along the Y axis and 3 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 40 mm
rectangle internal length 196 mm
rectangle internal height 100 mm
rectangle inlet length 12 mm
offset Z 3 mm
offset Y 3 mm
total length 125 mm
thickness 2 mm
chamfer no chamfer
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀150 mm and a rectangular section with inner dimensions 215×84 mm. The shell thickness is 2 mm and the total length is 180 mm.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 30 mm
rectangle internal length 215 mm
rectangle internal height 84 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 180 mm
thickness 2 mm
chamfer no chamfer
3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀152 mm and a rectangular section with inner dimensions 175×100 mm. The shell thickness is 2 mm and the overall length is 120 mm.
Parameter Value Unit
cylinder outer diameter 152 mm
cylinder inlet length 40 mm
rectangle internal length 175 mm
rectangle internal height 100 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 2 mm
chamfer no chamfer
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...
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀150 mm and a rectangular section with internal dimensions 200×60 mm. The shell thickness is 3 mm and the overall length is 200 mm.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer no chamfer
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀150 mm and a rectangular section with internal dimensions 200×80 mm. The wall thickness is 3 mm and the overall length is 200 mm.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 50 mm
rectangle internal length 200 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀98 mm and a rectangular section with internal dimensions 155×105 mm. The wall thickness is 3 mm and the overall length is 100 mm.
Parameter Value Unit
cylinder outer diameter 98 mm
cylinder inlet length 39 mm
rectangle internal length 155 mm
rectangle internal height 105 mm
rectangle inlet length 39 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 3 mm
chamfer no chamfer
Model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀100 mm and a rectangular section with inner dimensions 240×120 mm. The shell thickness is 3 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 100 mm
cylinder inlet length 20 mm
rectangle internal length 240 mm
rectangle internal height 120 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 3 mm
chamfer chamfer on t...
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀125 mm and a rectangular section with internal dimensions 200×60 mm. The shell thickness is 3 mm and the overall length is 200 mm.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer no chamfer
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀125 mm and a rectangular section with internal dimensions 240×120 mm. The shell thickness is 2 mm and the total length is 138 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
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
offset Z 0 mm
offset Y 0 mm
total length 138 mm
thickness 2 mm
chamfer chamfer on t...
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀150 mm and a rectangular section with internal dimensions 150×80 mm. The shell thickness is 3 mm and the overall length is 150 mm. The adapter has an offset of 3 mm along the Y axis and 3 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 30 mm
rectangle internal length 150 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
offset Z 3 mm
offset Y 3 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀180 mm and a rectangular section with internal dimensions 200×200 mm. The shell thickness is 3 mm and the overall length is 85 mm.
Parameter Value Unit
cylinder outer diameter 180 mm
cylinder inlet length 15 mm
rectangle internal length 200 mm
rectangle internal height 200 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 85 mm
thickness 3 mm
chamfer no chamfer
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 226×90 mm. The wall thickness is 2 mm and the overall length is 150 mm.
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
total length 150 mm
thickness 2 mm
chamfer no chamfer
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
rectangle internal length 226 mm
rectangle internal height 90 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀200 mm and a rectangular section with internal dimensions 180×60 mm. The wall thickness is 3 mm and the total length is 150 mm.
Parameter Value Unit
cylinder outer diameter 200 mm
cylinder inlet length 30 mm
rectangle internal length 180 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀102 mm and a rectangular section with inner dimensions 150×150 mm. The shell thickness is 2 mm and the total length is 100 mm.
Parameter Value Unit
cylinder outer diameter 102 mm
cylinder inlet length 50 mm
rectangle internal length 150 mm
rectangle internal height 150 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀156 mm and a rectangular section with inner dimensions 220×220 mm. The wall thickness is 2 mm and the total length is 130 mm.
Parameter Value Unit
cylinder outer diameter 156 mm
cylinder inlet length 50 mm
rectangle internal length 220 mm
rectangle internal height 220 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 130 mm
thickness 2 mm
chamfer no chamfer
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀148 mm and a rectangular section with internal dimensions 228×80 mm. The shell thickness is 3 mm and the overall length is 150 mm. The adapter has an offset of 12 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 148 mm
cylinder inlet length 50 mm
rectangle internal length 228 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 12 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀148 mm and a rectangular section with internal dimensions 228×80 mm. The shell thickness is 3 mm and the total length is 150 mm. The adapter has an offset of 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 148 mm
cylinder inlet length 50 mm
rectangle internal length 228 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
offset Z 25 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀112 mm and a rectangular section with inner dimensions 294×67 mm. The wall thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 112 mm
cylinder inlet length 30 mm
rectangle internal length 294 mm
rectangle internal height 67 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer