Custom Round-to-Rectangular Tube Adapter STL file ⌀124 mm to 224×94 mm, thickness 3 mm 📦#10171

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3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀124 mm and a rectangular section with inner dimensions 224×94 mm. The shell thickness is 3 mm and the overall length is 50 mm.
Generation date: 2026-07-16
3D Model Round-to-Rectangular Tube Adapter STL file ⌀124 mm to 224×94 mm, thickness 3 mm

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  • round-to-rectangular-adapter-d_model10171-nb0_dd{id}.stl : 3.9 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 124 mm (≃4 7/8 in)
#2 cylinder inlet length 10 mm (≃0.39 in)
#3 rectangle internal length 224 mm (≃8 13/16 in)
#4 rectangle internal height 94 mm (≃3 11/16 in)
#5 rectangle inlet length 10 mm (≃0.39 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 50 mm (≃1.97 in)
#9 thickness 3 mm (≃1/8 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 118 mm (≃4.65 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 

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 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 145×69.5 mm. The wall thickness is 3 mm and the total length is 64.5 mm. The adapter has an offset of 8.0 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 126 mm
cylinder inlet length 20 mm
rectangle internal length 145 mm
rectangle internal height 69.5 mm
rectangle inlet length 11 mm
offset Z 8.0 mm
offset Y 0 mm
total length 64.5 mm
thickness 3 mm
chamfer no chamfer
File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀126.0 mm and a rectangular section with inner dimensions 120×70 mm. The wall thickness is 3 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 126.0 mm
cylinder inlet length 15 mm
rectangle internal length 120 mm
rectangle internal height 70 mm
rectangle inlet length 15 mm
offset Z 0 mm
offset Y 0 mm
total length 50 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 ⌀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 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀92 mm and a rectangular section with inner dimensions 240×100 mm. The shell thickness is 2 mm and the total length is 67 mm.
Parameter Value Unit
cylinder outer diameter 92 mm
cylinder inlet length 25 mm
rectangle internal length 240 mm
rectangle internal height 100 mm
rectangle inlet length 10 mm
offset Z 0 mm
offset Y 0 mm
total length 67 mm
thickness 2 mm
chamfer no chamfer
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀92 mm and a rectangular section with internal dimensions 240×100 mm. The shell thickness is 2 mm and the total length is 62 mm.
Parameter Value Unit
cylinder outer diameter 92 mm
cylinder inlet length 25 mm
rectangle internal length 240 mm
rectangle internal height 100 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 62 mm
thickness 2 mm
chamfer no chamfer
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 model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀92 mm and a rectangular section with internal dimensions 200×100 mm. The wall thickness is 2 mm and the overall length is 76.7 mm.
Parameter Value Unit
cylinder outer diameter 92 mm
cylinder inlet length 25 mm
rectangle internal length 200 mm
rectangle internal height 100 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 76.7 mm
thickness 2 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀93 mm and a rectangular section with internal dimensions 200×100 mm. The shell thickness is 2 mm and the total length is 76.7 mm.
Parameter Value Unit
cylinder outer diameter 93 mm
cylinder inlet length 25 mm
rectangle internal length 200 mm
rectangle internal height 100 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 76.7 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...
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀120 mm and a rectangular section with internal dimensions 148×78 mm. The shell thickness is 2 mm and the overall length is 70 mm.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 25 mm
rectangle internal length 148 mm
rectangle internal height 78 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 70 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 ⌀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 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
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 tube adapter with an external diameter of ⌀130 mm and a rectangular section with inner dimensions 300×50 mm. The wall thickness is 2 mm and the overall length is 80 mm.
Parameter Value Unit
cylinder outer diameter 130 mm
cylinder inlet length 20 mm
rectangle internal length 300 mm
rectangle internal height 50 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 80 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 ⌀154 mm and a rectangular section with inner dimensions 146×136 mm. The shell thickness is 2 mm and the total length is 50 mm.
Parameter Value Unit
cylinder outer diameter 154 mm
cylinder inlet length 20 mm
rectangle internal length 146 mm
rectangle internal height 136 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 2 mm
chamfer no chamfer
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀146 mm and a rectangular section with inner dimensions 110×55 mm. The wall thickness is 3 mm and the overall length is 64 mm. The adapter has an offset of 4 mm along the Y axis and 4 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 146 mm
cylinder inlet length 15 mm
rectangle internal length 110 mm
rectangle internal height 55 mm
rectangle inlet length 29 mm
offset Z 4 mm
offset Y 4 mm
total length 64 mm
thickness 3 mm
chamfer no chamfer
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
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
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀145 mm and a rectangular section with inner dimensions 120×120 mm. The shell thickness is 2 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 145 mm
cylinder inlet length 15 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 15 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 2 mm
chamfer no chamfer
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀62 mm and a rectangular section with inner dimensions 230×76 mm. The wall thickness is 2 mm and the total length is 75 mm.
Parameter Value Unit
cylinder outer diameter 62 mm
cylinder inlet length 20 mm
rectangle internal length 230 mm
rectangle internal height 76 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 75 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 ⌀127 mm and a rectangular section with inner dimensions 123×72 mm. The shell thickness is 2 mm and the total length is 76 mm.
Parameter Value Unit
cylinder outer diameter 127 mm
cylinder inlet length 20 mm
rectangle internal length 123 mm
rectangle internal height 72 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 76 mm
thickness 2 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 300×40 mm. The wall thickness is 2 mm and the overall length is 80 mm.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 20 mm
rectangle internal length 300 mm
rectangle internal height 40 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 80 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 file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀155 mm and a rectangular section with internal dimensions 123×72 mm. The shell thickness is 2 mm and the total length is 60 mm.
Parameter Value Unit
cylinder outer diameter 155 mm
cylinder inlet length 20 mm
rectangle internal length 123 mm
rectangle internal height 72 mm
rectangle inlet length 10 mm
offset Z 0 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 adapter with an outer diameter of ⌀100 mm and a rectangular section with internal dimensions 135×100 mm. The shell thickness is 2 mm and the overall length is 60 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 135 mm
rectangle internal height 100 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 60 mm
thickness 2 mm
chamfer chamfer on t...
Download this model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀99 mm and a rectangular section with internal dimensions 77×70 mm. The shell thickness is 3 mm and the total length is 50 mm.
Parameter Value Unit
cylinder outer diameter 99 mm
cylinder inlet length 18 mm
rectangle internal length 77 mm
rectangle internal height 70 mm
rectangle inlet length 12 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 3 mm
chamfer no chamfer
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 119×72 mm. The wall thickness is 2 mm and the overall length is 76 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
rectangle internal length 119 mm
rectangle internal height 72 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 76 mm
thickness 2 mm
chamfer no chamfer