Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀30 mm to 40×12 mm, thickness 4 mm + offset 📦#1542

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Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀30 mm and a rectangular section with inner dimensions 40×12 mm. The wall thickness is 4 mm and the overall length is 300 mm. The adapter has an offset of 1 mm along the Y axis and 1 mm along the Z axis. A chamfer is applied on the inside of the rectangular end to ease insertion.
Generation date: 2025-09-03
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀30 mm to 40×12 mm, thickness 4 mm + offset

3D model download

Free
  • round-to-rectangular-adapter-d_model1542-nb0_dd{id}.stl : 2.1 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 30 mm (≃1 3/16 in)
#2 cylinder inlet length 10 mm (≃0.39 in)
#3 rectangle internal length 40 mm (≃1 9/16 in)
#4 rectangle internal height 12 mm (≃0.47 in)
#5 rectangle inlet length 14 mm (≃9/16 in)
#6 offset Z 1 mm (≃0.04 in)
#7 offset Y 1 mm (≃0.04 in)
#8 total length 300 mm (≃11 13/16 in)
#9 thickness 4 mm (≃0.16 in)
#10 chamfer chamfer on the inside
of the rectangular tube
Metadata Value
Cylinder internal diameter 22 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 35.5 mm
cylinder inlet length 15 mm
rectangle internal length 43.6 mm
rectangle internal height 32.9 mm
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Parameter Value Unit
cylinder outer diameter 30 mm
cylinder inlet length 30 mm
rectangle internal length 100 mm
rectangle internal height 50 mm
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Parameter Value Unit
cylinder outer diameter 39 mm
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Round-to-Rectangular Tube Adapter STL file ⌀90 mm to 100×50 mm, thickness 3 mm (📦 #2858)

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Parameter Value Unit
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀60 mm to 53×35 mm, thickness 5 mm (📦 #6769)

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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 125 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 75 mm
cylinder inlet length 25 mm
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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 ⌀109 mm to 55×12 mm, thickness 3 mm (📦 #8798)

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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 ⌀100 mm to 50×50 mm, thickness 3 mm (📦 #1914)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 50×50 mm, thickness 3 mm
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Parameter Value Unit
cylinder outer diameter 100 mm
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rectangle internal height 50 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀30 mm to 82.3×32.7 mm, thickness 3 mm (📦 #6218)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀30 mm to 82.3×32.7 mm, thickness 3 mm
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀30 mm and a rectangular section with inner dimensions 82.3×32.7 mm. The shell 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.
Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL 3D file ⌀76 mm to 160×25 mm, thickness 3 mm + offset (📦 #2058)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀76 mm to 160×25 mm, thickness 3 mm + offset
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀76 mm and a rectangular section with inner dimensions 160×25 mm. The shell thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 30 mm along the Z axis.
Parameter Value Unit
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Round-to-Rectangular Tube Adapter STL file ⌀30 mm to 84.9×35 mm, thickness 3 mm (📦 #6214)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀30 mm to 84.9×35 mm, thickness 3 mm
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀30 mm and a rectangular section with inner dimensions 84.9×35 mm. The shell thickness is 3 mm and the total length is 100 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 30 mm
cylinder inlet length 25 mm
rectangle internal length 84.9 mm
rectangle internal height 35 mm
rectangle inlet length 25 mm
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offset Y 0 mm
total length 100 mm
thickness 3 mm
chamfer chamfers on ...

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 ⌀50 mm to 80×80 mm, thickness 3 mm (📦 #4604)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 80×80 mm, thickness 3 mm
Model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀50 mm and a rectangular section with inner dimensions 80×80 mm. The shell thickness is 3 mm and the total length is 160 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 50 mm
cylinder inlet length 50 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 160 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 50×50 mm, thickness 2 mm (📦 #2141)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 50×50 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 50×50 mm. The shell thickness is 2 mm and the total length is 200 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 25 mm
rectangle internal length 50 mm
rectangle internal height 50 mm
rectangle inlet length 15 mm
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offset Y 0 mm
total length 200 mm
thickness 2 mm
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1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 25 mm
rectangle internal length 152 mm
rectangle internal height 45 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 110.3 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 35×25 mm, thickness 3 mm (📦 #2245)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 35×25 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀50 mm and a rectangular section with inner dimensions 35×25 mm. The wall thickness is 3 mm and the total length is 100 mm.
Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 25 mm
rectangle internal length 35 mm
rectangle internal height 25 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 80×60 mm, thickness 2 mm (📦 #7607)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 80×60 mm, thickness 2 mm
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀75 mm and a rectangular section with inner dimensions 80×60 mm. The wall thickness is 2 mm and the overall length is 150 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 75 mm
cylinder inlet length 25 mm
rectangle internal length 80 mm
rectangle internal height 60 mm
rectangle inlet length 9 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 100×55 mm, thickness 4 mm + offset (📦 #6895)

1 object(s) - format STL
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File in STL format of a round-to-rectangular adapter with an external diameter of ⌀78 mm and a rectangular section with inner dimensions 100×55 mm. The wall thickness is 4 mm and the total length is 120 mm. The adapter has an offset of 8 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 78 mm
cylinder inlet length 15 mm
rectangle internal length 100 mm
rectangle internal height 55 mm
rectangle inlet length 64 mm
offset Z 8 mm
offset Y 0 mm
total length 120 mm
thickness 4 mm
chamfer chamfers on ...