Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀45 mm to 25×25 mm, thickness 5 mm 📦#3472

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Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀45 mm and a rectangular section with inner dimensions 25×25 mm. The shell thickness is 5 mm and the overall length is 240 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Generation date: 2025-11-20
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀45 mm to 25×25 mm, thickness 5 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model3472-nb0_dd{id}.stl : 844.4 Ko
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 45 mm (≃1.77 in)
#2 cylinder inlet length 100 mm (≃3 15/16 in)
#3 rectangle internal length 25 mm (≃0.98 in)
#4 rectangle internal height 25 mm (≃0.98 in)
#5 rectangle inlet length 80 mm (≃3.15 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 240 mm (≃9 7/16 in)
#9 thickness 5 mm (≃3/16 in)
#10 chamfer chamfers on the outside
of the cylindrical tube
and on the inside of
the rectangular tube
Metadata Value
Cylinder internal diameter 35 mm (≃1 3/8 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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1 object(s) - format STL
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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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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 60 mm
rectangle internal length 60 mm
rectangle internal height 5 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 130 mm
thickness 3 mm
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1 object(s) - format STL
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Parameter Value Unit
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rectangle inlet length 30 mm
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Parameter Value Unit
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cylinder inlet length 75 mm
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rectangle internal height 20 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
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thickness 3 mm
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 100 mm
rectangle internal length 200 mm
rectangle internal height 25 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 220 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀40 mm to 30×30 mm, thickness 2 mm (📦 #4689)

1 object(s) - format STL
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3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀40 mm and a rectangular section with inner dimensions 30×30 mm. The shell thickness is 2 mm and the overall length is 300 mm. A chamfer is applied on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 40 mm
cylinder inlet length 100 mm
rectangle internal length 30 mm
rectangle internal height 30 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 300 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀106 mm to 200×25 mm, thickness 3 mm (📦 #5810)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀106 mm to 200×25 mm, thickness 3 mm
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀106 mm and a rectangular section with inner dimensions 200×25 mm. The shell thickness is 3 mm and the overall length is 220 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 106 mm
cylinder inlet length 100 mm
rectangle internal length 200 mm
rectangle internal height 25 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 220 mm
thickness 3 mm
chamfer chamfers on ...