Custom Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 50×200 mm, thickness 3 mm + offset 📦#10064

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3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀100 mm and a rectangular section with internal dimensions 50×200 mm. The shell thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 35 mm along the Y axis.
Generation date: 2026-07-13
3D Model Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 50×200 mm, thickness 3 mm + offset

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  • round-to-rectangular-adapter-d_model10064-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 100 mm (≃3 15/16 in)
#2 cylinder inlet length 50 mm (≃1.97 in)
#3 rectangle internal length 50 mm (≃1.97 in)
#4 rectangle internal height 200 mm (≃7 7/8 in)
#5 rectangle inlet length 50 mm (≃1.97 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 35 mm (≃1 3/8 in)
#8 total length 200 mm (≃7 7/8 in)
#9 thickness 3 mm (≃1/8 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 94 mm (≃3 11/16 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 

File in STL format of a round-to-rectangular adapter with an external diameter of ⌀86 mm and a rectangular section with inner dimensions 30×100 mm. The wall thickness is 3 mm and the overall length is 160 mm. The adapter has an offset of 30 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 86 mm
cylinder inlet length 20 mm
rectangle internal length 30 mm
rectangle internal height 100 mm
rectangle inlet length 70 mm
offset Z 0 mm
offset Y 30 mm
total length 160 mm
thickness 3 mm
chamfer no chamfer
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀90 mm and a rectangular section with inner dimensions 80×80 mm. The shell thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 25 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 90 mm
cylinder inlet length 50 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 25 mm
total length 150 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 ⌀84 mm and a rectangular section with inner dimensions 20×100 mm. The wall thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 30 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 84 mm
cylinder inlet length 20 mm
rectangle internal length 20 mm
rectangle internal height 100 mm
rectangle inlet length 70 mm
offset Z 0 mm
offset Y 30 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 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
3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀80 mm and a rectangular section with internal dimensions 105×50 mm. The wall thickness is 2 mm and the total length is 150 mm. The adapter has an offset of 25 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 50 mm
rectangle internal length 105 mm
rectangle internal height 50 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 25 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 external diameter of ⌀106 mm and a rectangular section with inner dimensions 94.6×73 mm. The shell thickness is 2 mm and the overall length is 200 mm. The adapter has an offset of 25 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 106 mm
cylinder inlet length 50 mm
rectangle internal length 94.6 mm
rectangle internal height 73 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 25 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 tube adapter with an outer diameter of ⌀130 mm and a rectangular section with inner dimensions 114×54 mm. The wall thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 30 mm along the Y axis. A chamfer is applied on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 130 mm
cylinder inlet length 30 mm
rectangle internal length 114 mm
rectangle internal height 54 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 30 mm
total length 200 mm
thickness 3 mm
chamfer chamfer on t...
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 model in STL format of a round-to-rectangular adapter with an external diameter of ⌀30 mm and a rectangular section with inner dimensions 80×80 mm. The shell thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 25 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 30 mm
cylinder inlet length 30 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 25 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 ⌀148 mm and a rectangular section with inner dimensions 200×80 mm. The shell thickness is 3 mm and the overall length is 150 mm. The adapter has an offset of 20 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 148 mm
cylinder inlet length 50 mm
rectangle internal length 200 mm
rectangle internal height 80 mm
rectangle inlet length 49 mm
offset Z 0 mm
offset Y 20 mm
total length 150 mm
thickness 3 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
Model 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 wall thickness is 3 mm and the overall length is 150 mm. The adapter has an offset of 24 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 24 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 ⌀84 mm and a rectangular section with inner dimensions 31×100 mm. The wall thickness is 2 mm and the total length is 140 mm. The adapter has an offset of 35 mm along the Y 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 84 mm
cylinder inlet length 20 mm
rectangle internal length 31 mm
rectangle internal height 100 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 35 mm
total length 140 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 ⌀78 mm and a rectangular section with internal dimensions 31×100 mm. The wall thickness is 2 mm and the total length is 140 mm. The adapter has an offset of 35 mm along the Y 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 78 mm
cylinder inlet length 20 mm
rectangle internal length 31 mm
rectangle internal height 100 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 35 mm
total length 140 mm
thickness 2 mm
chamfer chamfers on ...
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀30 mm and a rectangular section with internal dimensions 80×80 mm. The shell thickness is 2 mm and the total length is 100 mm. The adapter has an offset of 22.5 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 30 mm
cylinder inlet length 30 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 22.5 mm
total length 100 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
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀101 mm and a rectangular section with internal dimensions 170×124.5 mm. The wall thickness is 3 mm and the total length is 138 mm. The adapter has an offset of 11 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 101 mm
cylinder inlet length 25 mm
rectangle internal length 170 mm
rectangle internal height 124.5 mm
rectangle inlet length 83 mm
offset Z 0 mm
offset Y 11 mm
total length 138 mm
thickness 3 mm
chamfer no chamfer
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀101 mm and a rectangular section with inner dimensions 170×124.5 mm. The shell thickness is 3 mm and the total length is 130.7 mm. The adapter has an offset of 11 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 101 mm
cylinder inlet length 25 mm
rectangle internal length 170 mm
rectangle internal height 124.5 mm
rectangle inlet length 83 mm
offset Z 0 mm
offset Y 11 mm
total length 130.7 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
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 50×200 mm. The shell thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 50 mm
rectangle internal length 50 mm
rectangle internal height 200 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer
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 102×46 mm. The shell thickness is 3 mm and the total 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 102 mm
rectangle internal height 46 mm
rectangle inlet length 30 mm
offset Z 25 mm
offset Y 25 mm
total length 100 mm
thickness 3 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀90 mm and a rectangular section with internal dimensions 150×30 mm. The shell thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 35 mm along the Y axis and 35 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 90 mm
cylinder inlet length 80 mm
rectangle internal length 150 mm
rectangle internal height 30 mm
rectangle inlet length 50 mm
offset Z 35 mm
offset Y 35 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 ⌀48.5 mm and a rectangular section with inner dimensions 120×120 mm. The shell thickness is 3 mm and the overall length is 100 mm. The adapter has an offset of 21 mm along the Y 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 48.5 mm
cylinder inlet length 20 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 38 mm
offset Z 0 mm
offset Y 21 mm
total length 100 mm
thickness 3 mm
chamfer chamfers on ...
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀84 mm and a rectangular section with internal dimensions 31×140 mm. The shell thickness is 2 mm and the overall length is 90 mm. The adapter has an offset of 25 mm along the Y 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 84 mm
cylinder inlet length 20 mm
rectangle internal length 31 mm
rectangle internal height 140 mm
rectangle inlet length 10 mm
offset Z 0 mm
offset Y 25 mm
total length 90 mm
thickness 2 mm
chamfer chamfers on ...
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀81 mm and a rectangular section with inner dimensions 108×52 mm. The shell thickness is 3 mm and the total length is 120 mm. The adapter has an offset of 45 mm along the Y axis and 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 81 mm
cylinder inlet length 15 mm
rectangle internal length 108 mm
rectangle internal height 52 mm
rectangle inlet length 15 mm
offset Z 25 mm
offset Y 45 mm
total length 120 mm
thickness 3 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀76.2 mm and a rectangular section with internal dimensions 200×50.8 mm. The shell thickness is 4 mm and the overall length is 166 mm. The adapter has an offset of 20 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 76.2 mm
cylinder inlet length 76 mm
rectangle internal length 200 mm
rectangle internal height 50.8 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 20 mm
total length 166 mm
thickness 4 mm
chamfer no chamfer