Custom Round-to-Rectangular Tube Adapter STL file ⌀26.5 mm to 23.5×23.5 mm, thickness 2 mm 📦#10687

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Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀26.5 mm and a rectangular section with inner dimensions 23.5×23.5 mm. The wall thickness is 2 mm and the total length is 120 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Generation date: 2026-08-03
3D Model Round-to-Rectangular Tube Adapter STL file ⌀26.5 mm to 23.5×23.5 mm, thickness 2 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model10687-nb0_dd{id}.stl : 716.4 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 26.5 mm (≃1.04 in)
#2 cylinder inlet length 40 mm (≃1 9/16 in)
#3 rectangle internal length 23.5 mm (≃15/16 in)
#4 rectangle internal height 23.5 mm (≃15/16 in)
#5 rectangle inlet length 40 mm (≃1 9/16 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 120 mm (≃4.72 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 22.5 mm (≃7/8 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
cylinder outer diameter 20.3 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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Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 100×50 mm, thickness 2 mm + offset (📦 #1858)

1 object(s) - format STL
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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
cylinder outer diameter 60 mm
cylinder inlet length 50 mm
rectangle internal length 100 mm
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1 object(s) - format STL
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3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀60 mm and a rectangular section with inner dimensions 100×45 mm. The wall thickness is 2 mm and the total length is 90 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
cylinder outer diameter 60 mm
cylinder inlet length 30 mm
rectangle internal length 100 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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1 object(s) - format STL
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File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀49.1 mm and a rectangular section with inner dimensions 51×41 mm. The shell thickness is 2 mm and the overall length is 100 mm. The adapter has an offset of 3 mm along the Z axis. A chamfer is applied on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 49.1 mm
cylinder inlet length 35 mm
rectangle internal length 51 mm
rectangle internal height 41 mm
rectangle inlet length 35 mm
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Parameter Value Unit
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cylinder inlet length 20 mm
rectangle internal length 77 mm
rectangle internal height 33 mm
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 49.1 mm
cylinder inlet length 35 mm
rectangle internal length 41 mm
rectangle internal height 51 mm
rectangle inlet length 35 mm
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offset Y 0 mm
total length 100 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀49.1 mm to 53×43 mm, thickness 2 mm (📦 #10993)

1 object(s) - format STL
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Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀49.1 mm and a rectangular section with inner dimensions 53×43 mm. The shell thickness is 2 mm and the overall length is 100 mm. A chamfer is present on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 49.1 mm
cylinder inlet length 35 mm
rectangle internal length 53 mm
rectangle internal height 43 mm
rectangle inlet length 35 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀35 mm to 84.9×35 mm, thickness 3 mm (📦 #6212)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀35 mm to 84.9×35 mm, thickness 3 mm
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀35 mm and a rectangular section with inner dimensions 84.9×35 mm. The wall thickness is 3 mm and the overall length is 100 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 35 mm
cylinder inlet length 25 mm
rectangle internal length 84.9 mm
rectangle internal height 35 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀49.1 mm to 55×45 mm, thickness 2 mm (📦 #10992)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀49.1 mm to 55×45 mm, thickness 2 mm
Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀49.1 mm and a rectangular section with internal dimensions 55×45 mm. The wall thickness is 2 mm and the total length is 100 mm. A chamfer is present on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 49.1 mm
cylinder inlet length 35 mm
rectangle internal length 55 mm
rectangle internal height 45 mm
rectangle inlet length 35 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL 3D file ⌀80 mm to 106×49 mm, thickness 2 mm (📦 #6737)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀80 mm to 106×49 mm, thickness 2 mm
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀80 mm and a rectangular section with inner dimensions 106×49 mm. The wall thickness is 2 mm and the total length is 90 mm. Chamfers are present on the outside of the cylindrical end and on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 30 mm
rectangle internal length 106 mm
rectangle internal height 49 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 90 mm
thickness 2 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 43×82 mm, thickness 2 mm (📦 #2601)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 43×82 mm, thickness 2 mm
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀78 mm and a rectangular section with inner dimensions 43×82 mm. The wall thickness is 2 mm and the total length is 100 mm. A chamfer is present on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 78 mm
cylinder inlet length 30 mm
rectangle internal length 43 mm
rectangle internal height 82 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer chamfer on t...