Custom Round-to-Rectangular Tube Adapter STL file ⌀300 mm to 50×100 mm, thickness 2 mm 📦#1976

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Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀300 mm and a rectangular section with inner dimensions 50×100 mm. The wall thickness is 2 mm and the total length is 200 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Generation date: 2025-09-24
3D Model Round-to-Rectangular Tube Adapter STL file ⌀300 mm to 50×100 mm, thickness 2 mm

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Free
  • round-to-rectangular-adapter-d_model1976-nb0_dd{id}.stl : 4.7 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 300 mm (≃11 13/16 in)
#2 cylinder inlet length 100 mm (≃3 15/16 in)
#3 rectangle internal length 50 mm (≃1.97 in)
#4 rectangle internal height 100 mm (≃3 15/16 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 200 mm (≃7 7/8 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 296 mm (≃11.65 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

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Parameter Value Unit
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Parameter Value Unit
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1 object(s) - format STL
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Parameter Value Unit
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1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀105 mm to 80×80 mm, thickness 2 mm
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀105 mm and a rectangular section with internal dimensions 80×80 mm. The shell thickness is 2 mm and the overall length is 150 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 105 mm
cylinder inlet length 50 mm
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1 object(s) - format STL
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Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀128 mm and a rectangular section with inner dimensions 60×110 mm. The wall thickness is 3 mm and the total length is 200 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 60 mm
rectangle internal length 60 mm
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1 object(s) - format STL
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Parameter Value Unit
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1 object(s) - format STL
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Parameter Value Unit
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cylinder inlet length 35 mm
rectangle internal length 120 mm
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 110 mm
cylinder inlet length 50 mm
rectangle internal length 50 mm
rectangle internal height 120 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀195 mm to 195×30 mm, thickness 4 mm (📦 #7185)

1 object(s) - format STL
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Parameter Value Unit
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cylinder inlet length 50 mm
rectangle internal length 195 mm
rectangle internal height 30 mm
rectangle inlet length 100 mm
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offset Y 0 mm
total length 200 mm
thickness 4 mm
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