Custom Round-to-Rectangular Tube Adapter STL file ⌀128 mm to 204×60 mm, thickness 2 mm + offset 📦#8192

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3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀128 mm and a rectangular section with internal dimensions 204×60 mm. The shell thickness is 2 mm and the total length is 90 mm. The adapter has an offset of 32 mm along the Z axis. A chamfer is present on the inside of the rectangular end.
Generation date: 2026-04-01
3D Model Round-to-Rectangular Tube Adapter STL file ⌀128 mm to 204×60 mm, thickness 2 mm + offset

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  • round-to-rectangular-adapter-d_model8192-nb0_dd{id}.stl : 2 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 128 mm (≃5.04 in)
#2 cylinder inlet length 5 mm (≃3/16 in)
#3 rectangle internal length 204 mm (≃8.03 in)
#4 rectangle internal height 60 mm (≃2 3/8 in)
#5 rectangle inlet length 5 mm (≃3/16 in)
#6 offset Z 32 mm (≃1 1/4 in)
#7 offset Y 0 mm (0 in)
#8 total length 90 mm (≃3.54 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer chamfer on the inside
of the rectangular tube
Metadata Value
Cylinder internal diameter 124 mm (≃4 7/8 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 ⌀128 mm and a rectangular section with internal dimensions 204×60 mm. The wall thickness is 2 mm and the overall length is 90 mm. The adapter has an offset of 28 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 128 mm
cylinder inlet length 5 mm
rectangle internal length 204 mm
rectangle internal height 60 mm
rectangle inlet length 5 mm
offset Z 28 mm
offset Y 0 mm
total length 90 mm
thickness 2 mm
chamfer chamfer on t...
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀128 mm and a rectangular section with inner dimensions 204×56 mm. The shell thickness is 2 mm and the overall length is 90 mm. The adapter has an offset of 32 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 128 mm
cylinder inlet length 5 mm
rectangle internal length 204 mm
rectangle internal height 56 mm
rectangle inlet length 5 mm
offset Z 32 mm
offset Y 0 mm
total length 90 mm
thickness 2 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀100 mm and a rectangular section with inner dimensions 200×40 mm. The wall thickness is 2 mm and the overall length is 105 mm. The adapter has an offset of 30 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 100 mm
cylinder inlet length 25 mm
rectangle internal length 200 mm
rectangle internal height 40 mm
rectangle inlet length 20 mm
offset Z 30 mm
offset Y 0 mm
total length 105 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 model in STL format of a round-to-rectangular adapter with an external diameter of ⌀128 mm and a rectangular section with internal dimensions 204×60 mm. The shell thickness is 2 mm and the overall length is 140 mm. The adapter has an offset of 32 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 128 mm
cylinder inlet length 30 mm
rectangle internal length 204 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 32 mm
offset Y 0 mm
total length 140 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 ⌀128 mm and a rectangular section with inner dimensions 204×60 mm. The wall thickness is 2 mm and the total length is 140 mm. The adapter has an offset of 40 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 128 mm
cylinder inlet length 30 mm
rectangle internal length 204 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 40 mm
offset Y 0 mm
total length 140 mm
thickness 2 mm
chamfer chamfer on t...
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 145.0×69.5 mm. The shell thickness is 2 mm and the overall length is 60 mm. The adapter has an offset of 17.5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 126 mm
cylinder inlet length 15 mm
rectangle internal length 145.0 mm
rectangle internal height 69.5 mm
rectangle inlet length 10 mm
offset Z 17.5 mm
offset Y 0 mm
total length 60 mm
thickness 2 mm
chamfer no chamfer
3D 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 141.0×65.5 mm. The shell thickness is 2 mm and the overall length is 60 mm. The adapter has an offset of 17.5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 124 mm
cylinder inlet length 15 mm
rectangle internal length 141.0 mm
rectangle internal height 65.5 mm
rectangle inlet length 10 mm
offset Z 17.5 mm
offset Y 0 mm
total length 60 mm
thickness 2 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀124 mm and a rectangular section with inner dimensions 145×69.5 mm. The wall thickness is 2 mm and the overall length is 50 mm. The adapter has an offset of 16 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 124 mm
cylinder inlet length 10 mm
rectangle internal length 145 mm
rectangle internal height 69.5 mm
rectangle inlet length 8 mm
offset Z 16 mm
offset Y 0 mm
total length 50 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 ⌀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 file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀108.7 mm and a rectangular section with internal dimensions 110×55 mm. The shell thickness is 2 mm and the total length is 67 mm. The adapter has an offset of 13 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 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
offset Y 0 mm
total length 67 mm
thickness 2 mm
chamfer chamfers on ...
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀101 mm and a rectangular section with inner dimensions 120×60 mm. The wall thickness is 3 mm and the total length is 100 mm. The adapter has an offset of 30 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 101 mm
cylinder inlet length 20 mm
rectangle internal length 120 mm
rectangle internal height 60 mm
rectangle inlet length 20 mm
offset Z 30 mm
offset Y 0 mm
total length 100 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 ...
Download this 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 98×58 mm. The shell thickness is 2 mm and the total length is 98 mm. The adapter has an offset of 31.5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 25 mm
rectangle internal length 98 mm
rectangle internal height 58 mm
rectangle inlet length 10 mm
offset Z 31.5 mm
offset Y 0 mm
total length 98 mm
thickness 2 mm
chamfer no chamfer
Download this model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 110×55 mm. The wall thickness is 2 mm and the total length is 63 mm. The adapter has an offset of 8 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 100 mm
cylinder inlet length 20 mm
rectangle internal length 110 mm
rectangle internal height 55 mm
rectangle inlet length 20 mm
offset Z 8 mm
offset Y 0 mm
total length 63 mm
thickness 2 mm
chamfer chamfers on ...
Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀124 mm and a rectangular section with inner dimensions 141×65.5 mm. The wall thickness is 2 mm and the total length is 50 mm. The adapter has an offset of 11.0 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 124 mm
cylinder inlet length 20 mm
rectangle internal length 141 mm
rectangle internal height 65.5 mm
rectangle inlet length 8 mm
offset Z 11.0 mm
offset Y 0 mm
total length 50 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 ⌀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...
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀152 mm and a rectangular section with internal dimensions 220×80 mm. The shell thickness is 3 mm and the total length is 100 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 152 mm
cylinder inlet length 10 mm
rectangle internal length 220 mm
rectangle internal height 80 mm
rectangle inlet length 20 mm
offset Z 2 mm
offset Y 2 mm
total length 100 mm
thickness 3 mm
chamfer chamfers on ...
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀126.0 mm and a rectangular section with internal dimensions 145.0×69.5 mm. The shell thickness is 3 mm and the overall length is 64.5 mm. The adapter has an offset of 16.7 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 126.0 mm
cylinder inlet length 20 mm
rectangle internal length 145.0 mm
rectangle internal height 69.5 mm
rectangle inlet length 11 mm
offset Z 16.7 mm
offset Y 0 mm
total length 64.5 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 ⌀125 mm and a rectangular section with internal dimensions 98×58 mm. The wall thickness is 2 mm and the total length is 150 mm. The adapter has an offset of 31.5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 25 mm
rectangle internal length 98 mm
rectangle internal height 58 mm
rectangle inlet length 10 mm
offset Z 31.5 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer
File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀60 mm and a rectangular section with inner dimensions 169×17 mm. The shell thickness is 2 mm and the total length is 96 mm. The adapter has an offset of 19 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 60 mm
cylinder inlet length 18 mm
rectangle internal length 169 mm
rectangle internal height 17 mm
rectangle inlet length 40 mm
offset Z 19 mm
offset Y 0 mm
total length 96 mm
thickness 2 mm
chamfer chamfers on ...
Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀96 mm and a rectangular section with internal dimensions 240×35 mm. The wall thickness is 2 mm and the overall length is 100 mm. The adapter has an offset of 20 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 96 mm
cylinder inlet length 30 mm
rectangle internal length 240 mm
rectangle internal height 35 mm
rectangle inlet length 30 mm
offset Z 20 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer no chamfer
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀99 mm and a rectangular section with inner dimensions 120.5×60.5 mm. The wall thickness is 3 mm and the overall length is 120 mm. The adapter has an offset of 30 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 99 mm
cylinder inlet length 30 mm
rectangle internal length 120.5 mm
rectangle internal height 60.5 mm
rectangle inlet length 30 mm
offset Z 30 mm
offset Y 0 mm
total length 120 mm
thickness 3 mm
chamfer chamfers on ...
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀124 mm and a rectangular section with internal dimensions 145×69.5 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.
Parameter Value Unit
cylinder outer diameter 124 mm
cylinder inlet length 10 mm
rectangle internal length 145 mm
rectangle internal height 69.5 mm
rectangle inlet length 8 mm
offset Z 2 mm
offset Y 2 mm
total length 50 mm
thickness 2 mm
chamfer no chamfer
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...
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀60 mm and a rectangular section with inner dimensions 170×45 mm. The wall thickness is 2 mm and the overall length is 100 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 to ease insertion.
Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 25 mm
rectangle internal length 170 mm
rectangle internal height 45 mm
rectangle inlet length 40 mm
offset Z 17.5 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfers on ...