Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀82 mm to 60×35 mm, thickness 2 mm 📦#5108

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Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀82 mm and a rectangular section with internal dimensions 60×35 mm. The wall thickness is 2 mm and the total length is 205 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Generation date: 2025-12-22
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀82 mm to 60×35 mm, thickness 2 mm

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  • round-to-rectangular-adapter-d_model5108-nb0_dd{id}.stl : 962.9 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 82 mm (≃3.23 in)
#2 cylinder inlet length 100 mm (≃3 15/16 in)
#3 rectangle internal length 60 mm (≃2 3/8 in)
#4 rectangle internal height 35 mm (≃1 3/8 in)
#5 rectangle inlet length 48 mm (≃1 7/8 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 205 mm (≃8 1/16 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 78 mm (≃3 1/16 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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To search for a model based on your own parameters, go to the template page Round to rectangular adapter 

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Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 80 mm
rectangle internal length 32 mm
rectangle internal height 40 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
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Parameter Value Unit
cylinder outer diameter 106 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 60 mm
cylinder inlet length 50 mm
rectangle internal length 100 mm
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Parameter Value Unit
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cylinder inlet length 100 mm
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Parameter Value Unit
cylinder outer diameter 25 mm
cylinder inlet length 100 mm
rectangle internal length 40 mm
rectangle internal height 40 mm
rectangle inlet length 50 mm
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Parameter Value Unit
cylinder outer diameter 150 mm
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Parameter Value Unit
cylinder outer diameter 40 mm
cylinder inlet length 100 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 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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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 75 mm
rectangle internal length 106 mm
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rectangle inlet length 75 mm
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Parameter Value Unit
cylinder outer diameter 67 mm
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Parameter Value Unit
cylinder outer diameter 75 mm
cylinder inlet length 50 mm
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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 50 mm
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Parameter Value Unit
cylinder outer diameter 42 mm
cylinder inlet length 50 mm
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Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀95 mm and a rectangular section with inner dimensions 200×25 mm. The wall thickness is 3 mm and the overall length is 220 mm.
Parameter Value Unit
cylinder outer diameter 95 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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File in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with inner dimensions 150×50 mm. The wall thickness is 2 mm and the overall length is 150 mm. A chamfer is applied on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 50 mm
rectangle internal length 150 mm
rectangle internal height 50 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer chamfer on t...
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀50 mm and a rectangular section with internal dimensions 200×40 mm. The shell thickness is 3 mm and the total length is 250 mm.
Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 100 mm
rectangle internal length 200 mm
rectangle internal height 40 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 250 mm
thickness 3 mm
chamfer no chamfer