Custom Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 45×45 mm, thickness 5 mm 📦#4113

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Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀120 mm and a rectangular section with internal dimensions 45×45 mm. The shell thickness is 5 mm and the overall length is 50 mm.
Generation date: 2025-12-01
3D Model Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 45×45 mm, thickness 5 mm

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  • round-to-rectangular-adapter-d_model4113-nb0_dd{id}.stl : 3 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 120 mm (≃4.72 in)
#2 cylinder inlet length 10 mm (≃0.39 in)
#3 rectangle internal length 45 mm (≃1.77 in)
#4 rectangle internal height 45 mm (≃1.77 in)
#5 rectangle inlet length 5 mm (≃3/16 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 5 mm (≃3/16 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 110 mm (≃4.33 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 

3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀120 mm and a rectangular section with inner dimensions 50×50 mm. The shell thickness is 5 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 5 mm
rectangle internal length 50 mm
rectangle internal height 50 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 5 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀120 mm and a rectangular section with inner dimensions 55×55 mm. The wall thickness is 5 mm and the total length is 50 mm.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 5 mm
rectangle internal length 55 mm
rectangle internal height 55 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 5 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 inner dimensions 65×65 mm. The shell thickness is 5 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 10 mm
rectangle internal length 65 mm
rectangle internal height 65 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 5 mm
chamfer no chamfer
File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀120 mm and a rectangular section with inner dimensions 130×80 mm. The shell thickness is 5 mm and the total length is 95 mm.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 20 mm
rectangle internal length 130 mm
rectangle internal height 80 mm
rectangle inlet length 10 mm
offset Z 0 mm
offset Y 0 mm
total length 95 mm
thickness 5 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with internal dimensions 125.5×127.5 mm. The shell thickness is 5 mm and the total length is 60 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 5 mm
rectangle internal length 125.5 mm
rectangle internal height 127.5 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 60 mm
thickness 5 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 internal dimensions 130×100 mm. The shell thickness is 5 mm and the total length is 80 mm. A chamfer is present on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
rectangle internal length 130 mm
rectangle internal height 100 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 5 mm
chamfer chamfer on t...
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 128×129 mm. The wall thickness is 5 mm and the overall length is 60 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 5 mm
rectangle internal length 128 mm
rectangle internal height 129 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 60 mm
thickness 5 mm
chamfer no chamfer
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀78 mm and a rectangular section with internal dimensions 128×30 mm. The shell thickness is 4 mm and the total length is 80 mm.
Parameter Value Unit
cylinder outer diameter 78 mm
cylinder inlet length 20 mm
rectangle internal length 128 mm
rectangle internal height 30 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 4 mm
chamfer no chamfer
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀120 mm and a rectangular section with internal dimensions 90×140 mm. The wall thickness is 5 mm and the overall length is 95 mm.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 20 mm
rectangle internal length 90 mm
rectangle internal height 140 mm
rectangle inlet length 10 mm
offset Z 0 mm
offset Y 0 mm
total length 95 mm
thickness 5 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀74 mm and a rectangular section with internal dimensions 128×30 mm. The shell thickness is 4 mm and the total length is 80 mm.
Parameter Value Unit
cylinder outer diameter 74 mm
cylinder inlet length 20 mm
rectangle internal length 128 mm
rectangle internal height 30 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 4 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 135.5×137.5 mm. The wall thickness is 5 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 10 mm
rectangle internal length 135.5 mm
rectangle internal height 137.5 mm
rectangle inlet length 10 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 5 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀60 mm and a rectangular section with internal dimensions 53×35 mm. The wall thickness is 5 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 25 mm
rectangle internal length 53 mm
rectangle internal height 35 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 5 mm
chamfer no chamfer
Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀133 mm and a rectangular section with internal dimensions 81×56 mm. The wall thickness is 4 mm and the total length is 100 mm. A chamfer is applied on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 133 mm
cylinder inlet length 30 mm
rectangle internal length 81 mm
rectangle internal height 56 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 4 mm
chamfer chamfer on t...
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀110 mm and a rectangular section with internal dimensions 120×75 mm. The shell thickness is 5 mm and the total length is 80 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 110 mm
cylinder inlet length 50 mm
rectangle internal length 120 mm
rectangle internal height 75 mm
rectangle inlet length 10 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 5 mm
chamfer chamfer on t...
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀79 mm and a rectangular section with internal dimensions 121×56 mm. The shell thickness is 4 mm and the total length is 90 mm.
Parameter Value Unit
cylinder outer diameter 79 mm
cylinder inlet length 35 mm
rectangle internal length 121 mm
rectangle internal height 56 mm
rectangle inlet length 35 mm
offset Z 0 mm
offset Y 0 mm
total length 90 mm
thickness 4 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀79 mm and a rectangular section with internal dimensions 121×56 mm. The shell thickness is 4 mm and the total length is 90 mm. The adapter has an offset of 10 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 79 mm
cylinder inlet length 35 mm
rectangle internal length 121 mm
rectangle internal height 56 mm
rectangle inlet length 35 mm
offset Z 10 mm
offset Y 0 mm
total length 90 mm
thickness 4 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀90 mm and a rectangular section with inner dimensions 60×60 mm. The wall thickness is 3 mm and the overall length is 60 mm.
Parameter Value Unit
cylinder outer diameter 90 mm
cylinder inlet length 20 mm
rectangle internal length 60 mm
rectangle internal height 60 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 60 mm
thickness 3 mm
chamfer no chamfer
3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 135.5×137.5 mm. The shell thickness is 5 mm and the overall length is 65 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 40 mm
rectangle internal length 135.5 mm
rectangle internal height 137.5 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 65 mm
thickness 5 mm
chamfer no chamfer
File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀32 mm and a rectangular section with internal dimensions 46×71 mm. The shell thickness is 4 mm and the total length is 90 mm.
Parameter Value Unit
cylinder outer diameter 32 mm
cylinder inlet length 30 mm
rectangle internal length 46 mm
rectangle internal height 71 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 90 mm
thickness 4 mm
chamfer no chamfer
Download this 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 138×139 mm. The shell thickness is 5 mm and the overall length is 65 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 40 mm
rectangle internal length 138 mm
rectangle internal height 139 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 65 mm
thickness 5 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 ⌀127 mm and a rectangular section with inner dimensions 215×50 mm. The shell thickness is 5 mm and the overall length is 70 mm. The adapter has an offset of 10 mm along the Y axis and 10 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 127 mm
cylinder inlet length 20 mm
rectangle internal length 215 mm
rectangle internal height 50 mm
rectangle inlet length 20 mm
offset Z 10 mm
offset Y 10 mm
total length 70 mm
thickness 5 mm
chamfer no chamfer
3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀80 mm and a rectangular section with inner dimensions 80×80 mm. The shell thickness is 3 mm and the overall length is 50 mm.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 15 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 15 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 3 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀125 mm and a rectangular section with internal dimensions 60×60 mm. The wall thickness is 3 mm and the total length is 120 mm.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 20 mm
rectangle internal length 60 mm
rectangle internal height 60 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 120 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 ⌀150 mm and a rectangular section with inner dimensions 100×49 mm. The wall thickness is 4 mm and the total length is 100 mm. The adapter has an offset of 3 mm along the Y axis and 3 mm along the Z axis. A chamfer is applied on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 30 mm
rectangle internal length 100 mm
rectangle internal height 49 mm
rectangle inlet length 50 mm
offset Z 3 mm
offset Y 3 mm
total length 100 mm
thickness 4 mm
chamfer chamfer on t...
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 80×80 mm. The shell thickness is 3 mm and the overall length is 65 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 15 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 65 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 ⌀108 mm and a rectangular section with internal dimensions 25×76 mm. The shell thickness is 3 mm and the total length is 78 mm.
Parameter Value Unit
cylinder outer diameter 108 mm
cylinder inlet length 26 mm
rectangle internal length 25 mm
rectangle internal height 76 mm
rectangle inlet length 26 mm
offset Z 0 mm
offset Y 0 mm
total length 78 mm
thickness 3 mm
chamfer no chamfer
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀150 mm and a rectangular section with inner dimensions 215×50 mm. The wall thickness is 5 mm and the total length is 70 mm. The adapter has an offset of 10 mm along the Y axis and 10 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 20 mm
rectangle internal length 215 mm
rectangle internal height 50 mm
rectangle inlet length 20 mm
offset Z 10 mm
offset Y 10 mm
total length 70 mm
thickness 5 mm
chamfer no chamfer