Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀156 mm to 200×80 mm, thickness 2 mm + offset 📦#9689

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3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀156 mm and a rectangular section with internal dimensions 200×80 mm. The shell thickness is 2 mm and the overall length is 220 mm. The adapter has an offset of 30 mm along the Y axis and 50 mm along the Z axis.
Generation date: 2026-06-27
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀156 mm to 200×80 mm, thickness 2 mm + offset

3D model download

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  • round-to-rectangular-adapter-d_model9689-nb0_dd{id}.stl : 1.8 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 156 mm (≃6.14 in)
#2 cylinder inlet length 30 mm (≃1 3/16 in)
#3 rectangle internal length 200 mm (≃7 7/8 in)
#4 rectangle internal height 80 mm (≃3.15 in)
#5 rectangle inlet length 30 mm (≃1 3/16 in)
#6 offset Z 50 mm (≃1.97 in)
#7 offset Y 30 mm (≃1 3/16 in)
#8 total length 220 mm (≃8.66 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 152 mm (≃5.98 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 ⌀157 mm and a rectangular section with inner dimensions 86×86 mm. The shell thickness is 2 mm and the overall length is 200 mm. The adapter has an offset of 30 mm along the Y axis and 30 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 157 mm
cylinder inlet length 25 mm
rectangle internal length 86 mm
rectangle internal height 86 mm
rectangle inlet length 50 mm
offset Z 30 mm
offset Y 30 mm
total length 200 mm
thickness 2 mm
chamfer no chamfer
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 135×75 mm. The shell thickness is 2 mm and the overall length is 160 mm. The adapter has an offset of 30 mm along the Y axis and 30 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 35 mm
rectangle internal length 135 mm
rectangle internal height 75 mm
rectangle inlet length 60 mm
offset Z 30 mm
offset Y 30 mm
total length 160 mm
thickness 2 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀154 mm and a rectangular section with internal dimensions 80×50 mm. The wall thickness is 2 mm and the overall length is 175 mm. The adapter has an offset of 25 mm along the Y axis and 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 154 mm
cylinder inlet length 35 mm
rectangle internal length 80 mm
rectangle internal height 50 mm
rectangle inlet length 75 mm
offset Z 25 mm
offset Y 25 mm
total length 175 mm
thickness 2 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with inner dimensions 120×40 mm. The shell thickness is 2 mm and the total length is 175 mm. The adapter has an offset of 25 mm along the Y axis and 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 35 mm
rectangle internal length 120 mm
rectangle internal height 40 mm
rectangle inlet length 75 mm
offset Z 25 mm
offset Y 25 mm
total length 175 mm
thickness 2 mm
chamfer no chamfer
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀204 mm and a rectangular section with internal dimensions 300×60 mm. The wall thickness is 3 mm and the total length is 148 mm. The adapter has an offset of 44 mm along the Y axis and 44 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 204 mm
cylinder inlet length 10 mm
rectangle internal length 300 mm
rectangle internal height 60 mm
rectangle inlet length 50 mm
offset Z 44 mm
offset Y 44 mm
total length 148 mm
thickness 3 mm
chamfer no chamfer
3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀150 mm and a rectangular section with internal dimensions 80×50 mm. The wall thickness is 3 mm and the overall length is 150 mm. The adapter has an offset of 25 mm along the Y axis and 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 50 mm
rectangle internal length 80 mm
rectangle internal height 50 mm
rectangle inlet length 50 mm
offset Z 25 mm
offset Y 25 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 external diameter of ⌀200 mm and a rectangular section with inner dimensions 200×60 mm. The shell thickness is 2 mm and the overall length is 200 mm. The adapter has an offset of 45 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 200 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 45 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀120 mm and a rectangular section with inner dimensions 250×50 mm. The wall thickness is 2 mm and the total length is 165 mm. The adapter has an offset of 30 mm along the Y axis and 10 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 5 mm
rectangle internal length 250 mm
rectangle internal height 50 mm
rectangle inlet length 60 mm
offset Z 10 mm
offset Y 30 mm
total length 165 mm
thickness 2 mm
chamfer no chamfer
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀152.4 mm and a rectangular section with inner dimensions 200×60 mm. The wall thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 60 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 152.4 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 60 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 ⌀150 mm and a rectangular section with inner dimensions 200×60 mm. The shell thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 60 mm along the Z axis.
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 60 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 outer diameter of ⌀147 mm and a rectangular section with internal dimensions 200×60 mm. The wall thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 60 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 147 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 60 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 outer diameter of ⌀150 mm and a rectangular section with inner dimensions 240×80 mm. The shell thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 60 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 30 mm
rectangle internal length 240 mm
rectangle internal height 80 mm
rectangle inlet length 30 mm
offset Z 60 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 ⌀200 mm and a rectangular section with internal dimensions 200×60 mm. The wall thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 45 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 200 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 45 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀124 mm and a rectangular section with inner dimensions 180×180 mm. The wall thickness is 2 mm and the total length is 100 mm. The adapter has an offset of 20 mm along the Y axis and 20 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 124 mm
cylinder inlet length 40 mm
rectangle internal length 180 mm
rectangle internal height 180 mm
rectangle inlet length 20 mm
offset Z 20 mm
offset Y 20 mm
total length 100 mm
thickness 2 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀125 mm and a rectangular section with inner dimensions 220×90 mm. The wall thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 60 mm along the Z axis.
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 60 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 adapter with an outer diameter of ⌀125 mm and a rectangular section with inner dimensions 200×60 mm. The shell thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 60 mm along the Z axis.
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 60 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 ⌀120 mm and a rectangular section with internal dimensions 200×60 mm. The wall thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 60 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 60 mm
offset Y 0 mm
total length 200 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 ⌀120 mm and a rectangular section with internal dimensions 120×60 mm. The wall thickness is 2 mm and the total length is 200 mm. The adapter has an offset of 60 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 25 mm
rectangle internal length 120 mm
rectangle internal height 60 mm
rectangle inlet length 15 mm
offset Z 60 mm
offset Y 0 mm
total length 200 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 ⌀100 mm and a rectangular section with internal dimensions 196×86 mm. The shell thickness is 2 mm and the total length is 200 mm. The adapter has an offset of 53 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 40 mm
rectangle internal length 196 mm
rectangle internal height 86 mm
rectangle inlet length 53 mm
offset Z 53 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀126 mm and a rectangular section with internal dimensions 150×70 mm. The wall thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 60 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 126 mm
cylinder inlet length 30 mm
rectangle internal length 150 mm
rectangle internal height 70 mm
rectangle inlet length 30 mm
offset Z 60 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 adapter with an external diameter of ⌀130 mm and a rectangular section with inner dimensions 120×60 mm. The shell thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 30 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 130 mm
cylinder inlet length 30 mm
rectangle internal length 120 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 30 mm
total length 200 mm
thickness 3 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀115 mm and a rectangular section with internal dimensions 196×20 mm. The shell thickness is 2 mm and the overall length is 200 mm. The adapter has an offset of 53 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 115 mm
cylinder inlet length 40 mm
rectangle internal length 196 mm
rectangle internal height 20 mm
rectangle inlet length 53 mm
offset Z 53 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer no chamfer
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀175 mm and a rectangular section with inner dimensions 120×65 mm. The shell thickness is 2 mm and the overall length is 200 mm. The adapter has an offset of 50 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 175 mm
cylinder inlet length 50 mm
rectangle internal length 120 mm
rectangle internal height 65 mm
rectangle inlet length 50 mm
offset Z 50 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular tube 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. The adapter has an offset of 60 mm along the Z axis. A chamfer is applied on the outside of the cylindrical end.
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 60 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer chamfer on t...
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀125 mm and a rectangular section with internal dimensions 220×55 mm. The shell thickness is 3 mm and the overall length is 160 mm. The adapter has an offset of 47 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 25 mm
rectangle internal length 220 mm
rectangle internal height 55 mm
rectangle inlet length 25 mm
offset Z 47 mm
offset Y 0 mm
total length 160 mm
thickness 3 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀150 mm and a rectangular section with internal dimensions 200×80 mm. The shell thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 50 mm along the Z axis.
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 50 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 tube adapter with an external diameter of ⌀150 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 50 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 50 mm
rectangle internal length 220 mm
rectangle internal height 90 mm
rectangle inlet length 50 mm
offset Z 50 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 outer diameter of ⌀210 mm and a rectangular section with inner dimensions 200×60 mm. The wall thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 60 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 210 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 60 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 outer diameter of ⌀110 mm and a rectangular section with inner dimensions 150×60 mm. The wall thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 60 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 110 mm
cylinder inlet length 30 mm
rectangle internal length 150 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 60 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer no chamfer
Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀81 mm and a rectangular section with internal dimensions 108×52 mm. The wall thickness is 3 mm and the overall length is 100 mm. The adapter has an offset of 25 mm along the Y axis and 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 81 mm
cylinder inlet length 20 mm
rectangle internal length 108 mm
rectangle internal height 52 mm
rectangle inlet length 30 mm
offset Z 25 mm
offset Y 25 mm
total length 100 mm
thickness 3 mm
chamfer no chamfer