Custom Round-to-Rectangular Tube Adapter STL file ⌀104 mm to 140×100 mm, thickness 2 mm 📦#12347

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Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀104 mm and a rectangular section with inner dimensions 140×100 mm. The shell thickness is 2 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 to ease insertion.
Generation date: 2026-10-06
3D Model Round-to-Rectangular Tube Adapter STL file ⌀104 mm to 140×100 mm, thickness 2 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model12347-nb0_dd{id}.stl : 958.5 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 104 mm (≃4.09 in)
#2 cylinder inlet length 30 mm (≃1 3/16 in)
#3 rectangle internal length 140 mm (≃5 1/2 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 220 mm (≃8.66 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 100 mm (≃3 15/16 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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Parameter Value Unit
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Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀99.5 mm and a rectangular section with inner dimensions 170×100 mm. The wall thickness is 3 mm and the total length is 180 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
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 tube adapter with an external diameter of ⌀60 mm and a rectangular section with internal dimensions 100×50 mm. The shell thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 15 mm along the Z axis. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
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 ⌀75 mm to 150×30 mm, thickness 3 mm + offset
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀75 mm and a rectangular section with inner dimensions 150×30 mm. The shell 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. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 75 mm
cylinder inlet length 25 mm
rectangle internal length 150 mm
rectangle internal height 30 mm
rectangle inlet length 30 mm
offset Z 3 mm
offset Y 3 mm
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thickness 3 mm
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1 object(s) - format STL
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File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀148 mm and a rectangular section with internal dimensions 145.0×70 mm. The wall thickness is 3 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 148 mm
cylinder inlet length 25 mm
rectangle internal length 145.0 mm
rectangle internal height 70 mm
rectangle inlet length 80 mm
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total length 150 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
cylinder outer diameter 100 mm
cylinder inlet length 50 mm
rectangle internal length 150 mm
rectangle internal height 50 mm
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 78 mm
cylinder inlet length 20 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 62×82 mm, thickness 2 mm (📦 #2599)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 62×82 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀78 mm and a rectangular section with inner dimensions 62×82 mm. The wall thickness is 2 mm and the total length is 100 mm. A chamfer is applied on the inside of the rectangular end.
Parameter Value Unit
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cylinder inlet length 30 mm
rectangle internal length 62 mm
rectangle internal height 82 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
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