Custom Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 216×86 mm, thickness 2 mm + offset 📦#11736

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Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀150 mm and a rectangular section with inner dimensions 216×86 mm. The shell thickness is 2 mm and the overall length is 90 mm. The adapter has an offset of 15 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Generation date: 2026-09-15
3D Model Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 216×86 mm, thickness 2 mm + offset

3D model download

Free
  • round-to-rectangular-adapter-d_model11736-nb0_dd{id}.stl : 4.4 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 30 mm (≃1 3/16 in)
#3 rectangle internal length 216 mm (≃8 1/2 in)
#4 rectangle internal height 86 mm (≃3 3/8 in)
#5 rectangle inlet length 30 mm (≃1 3/16 in)
#6 offset Z 15 mm (≃0.59 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 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 

Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 216×86 mm, thickness 3 mm + offset (📦 #11832)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 216×86 mm, thickness 3 mm + offset
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Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 30 mm
rectangle internal length 216 mm
rectangle internal height 86 mm
rectangle inlet length 30 mm
offset Z 12 mm
offset Y 0 mm
total length 100 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀151 mm to 220×75 mm, thickness 2 mm + offset (📦 #7846)

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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
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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 150×50 mm, thickness 2 mm + offset (📦 #1787)

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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 150×50 mm, thickness 2 mm + offset
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
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thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀128 mm to 204×60 mm, thickness 2 mm + offset (📦 #8190)

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Round-to-Rectangular Tube Adapter STL file ⌀128 mm to 204×60 mm, thickness 2 mm + offset
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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
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Round-to-Rectangular Tube Adapter STL 3D file ⌀99.5 mm to 170×100 mm, thickness 2 mm (📦 #1696)

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Parameter Value Unit
cylinder outer diameter 99.5 mm
cylinder inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 198×98 mm, thickness 2 mm (📦 #1971)

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Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 50 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 200×40 mm, thickness 2 mm + offset (📦 #2104)

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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 220×75 mm, thickness 3 mm + offset (📦 #7845)

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Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 20 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 204×60 mm, thickness 2 mm + offset (📦 #12465)

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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 208×84 mm, thickness 2 mm (📦 #10488)

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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 208×84 mm, thickness 2 mm
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 208×84 mm. The shell thickness is 2 mm and the total length is 180 mm. 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 30 mm
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Round-to-Rectangular Tube Adapter STL file ⌀170 mm to 110×55 mm, thickness 2 mm + offset (📦 #9756)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀170 mm to 110×55 mm, thickness 2 mm + offset
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
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Round-to-Rectangular Tube Adapter STL file ⌀108.7 mm to 110×55 mm, thickness 2 mm + offset (📦 #2323)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀108.7 mm to 110×55 mm, thickness 2 mm + offset
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
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rectangle internal length 110 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀128 mm to 204×60 mm, thickness 2 mm + offset (📦 #8189)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀128 mm to 204×60 mm, thickness 2 mm + offset
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
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thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL 3D file ⌀75 mm to 196×76 mm, thickness 2 mm (📦 #12603)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀75 mm to 196×76 mm, thickness 2 mm
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀75 mm and a rectangular section with internal dimensions 196×76 mm. The shell thickness is 2 mm and the total length is 100 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 75 mm
cylinder inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀128 mm to 204×60 mm, thickness 2 mm + offset (📦 #8191)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀128 mm to 204×60 mm, thickness 2 mm + offset
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...

Round-to-Rectangular Tube Adapter STL 3D file ⌀151 mm to 150×150 mm, thickness 2 mm + offset (📦 #7847)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀151 mm to 150×150 mm, thickness 2 mm + offset
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...

Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 110×55 mm, thickness 2 mm + offset (📦 #2320)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 110×55 mm, thickness 2 mm + offset
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
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Round-to-Rectangular Tube Adapter STL file ⌀148 mm to 197×159 mm, thickness 3 mm + offset (📦 #7938)

1 object(s) - format STL
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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
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offset Y 2 mm
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀104 mm to 150×50 mm, thickness 2 mm + offset (📦 #10298)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀104 mm to 150×50 mm, thickness 2 mm + offset
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀104 mm and a rectangular section with inner dimensions 150×50 mm. The shell thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 35 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 104 mm
cylinder inlet length 30 mm
rectangle internal length 150 mm
rectangle internal height 50 mm
rectangle inlet length 30 mm
offset Z 35 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer chamfers on ...

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

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀151 mm to 150×150 mm, thickness 2 mm + offset
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.
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 50.2 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀99.5 mm to 170×100 mm, thickness 2 mm (📦 #1691)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀99.5 mm to 170×100 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀99.5 mm and a rectangular section with internal dimensions 170×100 mm. The shell thickness is 2 mm and the total length is 180 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 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 180 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀145 mm to 120×120 mm, thickness 2 mm (📦 #3299)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀145 mm to 120×120 mm, thickness 2 mm
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...

Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 106×106 mm, thickness 2 mm (📦 #12026)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 106×106 mm, thickness 2 mm
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 106×106 mm. The shell thickness is 2 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 to ease insertion.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
rectangle internal length 106 mm
rectangle internal height 106 mm
rectangle inlet length 35 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 200×30 mm, thickness 2 mm + offset (📦 #4418)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 200×30 mm, thickness 2 mm + offset
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 200×30 mm. The shell thickness is 2 mm and the total length is 80 mm. The adapter has an offset of 15 mm along the Y axis and 15 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 100 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 30 mm
rectangle inlet length 20 mm
offset Z 15 mm
offset Y 15 mm
total length 80 mm
thickness 2 mm
chamfer chamfers on ...

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

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀128 mm to 204×60 mm, thickness 2 mm + offset
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.
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 32 mm
offset Y 0 mm
total length 90 mm
thickness 2 mm
chamfer chamfer on t...