Custom Round-to-Rectangular Tube Adapter STL file ⌀126 mm to 139×63.5 mm, thickness 3 mm + offset 📦#2121

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Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀126 mm and a rectangular section with internal dimensions 139×63.5 mm. The wall thickness is 3 mm and the total length is 150 mm. The adapter has an offset of 3 mm along the Y axis and 3 mm along the Z axis.
Generation date: 2025-09-30
3D Model Round-to-Rectangular Tube Adapter STL file ⌀126 mm to 139×63.5 mm, thickness 3 mm + offset

3D model download

Free
  • round-to-rectangular-adapter-d_model2121-nb0_dd{id}.stl : 1.9 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 126 mm (≃4.96 in)
#2 cylinder inlet length 30 mm (≃1 3/16 in)
#3 rectangle internal length 139 mm (≃5.47 in)
#4 rectangle internal height 63.5 mm (2 1/2 in)
#5 rectangle inlet length 80 mm (≃3.15 in)
#6 offset Z 3 mm (≃1/8 in)
#7 offset Y 3 mm (≃1/8 in)
#8 total length 150 mm (≃5.91 in)
#9 thickness 3 mm (≃1/8 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 120 mm (≃4.72 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
cylinder outer diameter 150 mm
cylinder inlet length 30 mm
rectangle internal length 150 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
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Parameter Value Unit
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cylinder inlet length 50 mm
rectangle internal length 150 mm
rectangle internal height 30 mm
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offset Y 0 mm
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Round-to-Rectangular Tube Adapter STL file ⌀126 mm to 30×63.5 mm, thickness 3 mm (📦 #5405)

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Parameter Value Unit
cylinder outer diameter 126 mm
cylinder inlet length 30 mm
rectangle internal length 30 mm
rectangle internal height 63.5 mm
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Parameter Value Unit
cylinder outer diameter 126.5 mm
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Parameter Value Unit
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Parameter Value Unit
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cylinder inlet length 25 mm
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Parameter Value Unit
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cylinder inlet length 25 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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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 88 mm
cylinder inlet length 30 mm
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Parameter Value Unit
cylinder outer diameter 150 mm
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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 50 mm
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 50 mm
rectangle internal length 200 mm
rectangle internal height 80 mm
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Parameter Value Unit
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rectangle internal length 224 mm
rectangle internal height 94 mm
rectangle inlet length 50 mm
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