Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 50×50 mm, thickness 3 mm 📦#1914

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Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 50×50 mm. The wall thickness is 3 mm and the overall length is 300 mm.
Generation date: 2025-09-22
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 50×50 mm, thickness 3 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model1914-nb0_dd{id}.stl : 1.1 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 50 mm (≃1.97 in)
#5 rectangle inlet length 50 mm (≃1.97 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 300 mm (≃11 13/16 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

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Parameter Value Unit
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cylinder outer diameter 100 mm
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Parameter Value Unit
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Parameter Value Unit
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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 50×50 mm. The shell thickness is 2 mm and the total length is 200 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
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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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Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀80 mm and a rectangular section with inner dimensions 105×50 mm. The wall thickness is 2 mm and the total length is 150 mm.
Parameter Value Unit
cylinder outer diameter 80 mm
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1 object(s) - format STL
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Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀101.6 mm and a rectangular section with internal dimensions 152.4×57 mm. The wall thickness is 3 mm and the total length is 152.4 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 101.6 mm
cylinder inlet length 51 mm
rectangle internal length 152.4 mm
rectangle internal height 57 mm
rectangle inlet length 51 mm
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 100.5×73.5 mm, thickness 2 mm (📦 #9080)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 100.5×73.5 mm, thickness 2 mm
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀80 mm and a rectangular section with internal dimensions 100.5×73.5 mm. The wall thickness is 2 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 50 mm
rectangle internal length 100.5 mm
rectangle internal height 73.5 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 200×80 mm, thickness 3 mm (📦 #4072)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 200×80 mm, thickness 3 mm
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Parameter Value Unit
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cylinder inlet length 50 mm
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rectangle inlet length 50 mm
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1 object(s) - format STL
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Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀126.5 mm and a rectangular section with inner dimensions 100×100 mm. The wall thickness is 3 mm and the total length is 200 mm.
Parameter Value Unit
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1 object(s) - format STL
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Download this 3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀35.8 mm and a rectangular section with inner dimensions 45×5 mm. The shell thickness is 2 mm and the total length is 300 mm. The adapter has an offset of 1 mm along the Y axis and 1 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 35.8 mm
cylinder inlet length 45 mm
rectangle internal length 45 mm
rectangle internal height 5 mm
rectangle inlet length 100 mm
offset Z 1 mm
offset Y 1 mm
total length 300 mm
thickness 2 mm
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1 object(s) - format STL
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Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀90 mm and a rectangular section with internal dimensions 76×76 mm. The wall thickness is 3 mm and the overall length is 120 mm.
Parameter Value Unit
cylinder outer diameter 90 mm
cylinder inlet length 50 mm
rectangle internal length 76 mm
rectangle internal height 76 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 3 mm
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1 object(s) - format STL
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Parameter Value Unit
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cylinder inlet length 50 mm
rectangle internal length 160 mm
rectangle internal height 25 mm
rectangle inlet length 100 mm
offset Z 10.7 mm
offset Y 0 mm
total length 221.4 mm
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