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Custom Round-to-Rectangular Tube Adapter STL file ⌀76.2 mm to 200×50.8 mm, thickness 4 mm + offset 📦#2134

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Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀76.2 mm and a rectangular section with internal dimensions 200×50.8 mm. The shell thickness is 4 mm and the overall length is 166 mm. The adapter has an offset of 20 mm along the Y axis.
Generation date: 2025-09-30
3D Model Round-to-Rectangular Tube Adapter STL file ⌀76.2 mm to 200×50.8 mm, thickness 4 mm + offset

3D model download

Free
  • round-to-rectangular-adapter-d_model2134-nb0_dd{id}.stl : 2.6 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 76.2 mm (3 in)
#2 cylinder inlet length 76 mm (≃3 in)
#3 rectangle internal length 200 mm (≃7 7/8 in)
#4 rectangle internal height 50.8 mm (2 in)
#5 rectangle inlet length 50 mm (≃1.97 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 20 mm (≃0.79 in)
#8 total length 166 mm (≃6.54 in)
#9 thickness 4 mm (≃0.16 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 68.2 mm (≃2 11/16 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
cylinder outer diameter 72 mm
cylinder inlet length 76 mm
rectangle internal length 118 mm
rectangle internal height 77 mm
rectangle inlet length 51 mm
offset Z 2 mm
offset Y 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀76.2 mm to 200×50.8 mm, thickness 4 mm + offset (📦 #2135)

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Round-to-Rectangular Tube Adapter STL file ⌀76.2 mm to 200×50.8 mm, thickness 4 mm + offset
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀76.2 mm and a rectangular section with internal dimensions 200×50.8 mm. The shell thickness is 4 mm and the total length is 166 mm. The adapter has an offset of 20 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 76.2 mm
cylinder inlet length 76 mm
rectangle internal length 200 mm
rectangle internal height 50.8 mm
rectangle inlet length 50 mm
offset Z 20 mm
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total length 166 mm
thickness 4 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀76.2 mm to 300×50.8 mm, thickness 4 mm (📦 #2133)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀76.2 mm to 300×50.8 mm, thickness 4 mm
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀76.2 mm and a rectangular section with internal dimensions 300×50.8 mm. The wall thickness is 4 mm and the overall length is 166 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 76.2 mm
cylinder inlet length 76 mm
rectangle internal length 300 mm
rectangle internal height 50.8 mm
rectangle inlet length 50 mm
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offset Y 0 mm
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Round-to-Rectangular Tube Adapter STL file ⌀67 mm to 113×72 mm, thickness 3 mm + offset (📦 #3138)

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Parameter Value Unit
cylinder outer diameter 67 mm
cylinder inlet length 76 mm
rectangle internal length 113 mm
rectangle internal height 72 mm
rectangle inlet length 51 mm
offset Z 2 mm
offset Y 2 mm
total length 147.2 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀101.5 mm to 178×12.5 mm, thickness 3 mm + offset (📦 #3698)

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Parameter Value Unit
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cylinder inlet length 75 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀101.5 mm to 203×12.5 mm, thickness 3 mm + offset (📦 #3681)

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Parameter Value Unit
cylinder outer diameter 101.5 mm
cylinder inlet length 75 mm
rectangle internal length 203 mm
rectangle internal height 12.5 mm
rectangle inlet length 75 mm
offset Z 15 mm
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total length 180 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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Parameter Value Unit
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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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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 101.6 mm
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Round-to-Rectangular Tube Adapter STL file ⌀48 mm to 239×24 mm, thickness 3 mm (📦 #1802)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀48 mm to 239×24 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀48 mm and a rectangular section with inner dimensions 239×24 mm. The wall thickness is 3 mm and the overall length is 120 mm.
Parameter Value Unit
cylinder outer diameter 48 mm
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rectangle internal length 239 mm
rectangle internal height 24 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀76 mm to 160×25 mm, thickness 3 mm + offset (📦 #2258)

1 object(s) - format STL
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Model 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 overall length is 250 mm. The adapter has an offset of 25 mm along the Y axis and 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 76 mm
cylinder inlet length 50 mm
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Parameter Value Unit
cylinder outer diameter 76 mm
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Parameter Value Unit
cylinder outer diameter 100 mm
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rectangle internal length 100 mm
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Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 105×50 mm, thickness 2 mm + offset (📦 #1653)

1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 50 mm
rectangle internal length 105 mm
rectangle internal height 50 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 25 mm
total length 150 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀50 mm to 120×126 mm, thickness 3 mm (📦 #3482)

1 object(s) - format STL
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Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 100 mm
rectangle internal length 120 mm
rectangle internal height 126 mm
rectangle inlet length 50 mm
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offset Y 0 mm
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thickness 3 mm
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Parameter Value Unit
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cylinder inlet length 50 mm
rectangle internal length 76 mm
rectangle internal height 76 mm
rectangle inlet length 50 mm
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offset Y 0 mm
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 120×126 mm, thickness 3 mm (📦 #3483)

1 object(s) - format STL
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Model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀50 mm and a rectangular section with internal dimensions 120×126 mm. The shell thickness is 3 mm and the total length is 200 mm.
Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 50 mm
rectangle internal length 120 mm
rectangle internal height 126 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀90 mm to 80×80 mm, thickness 2 mm + offset (📦 #2048)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀90 mm to 80×80 mm, thickness 2 mm + offset
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀90 mm and a rectangular section with inner dimensions 80×80 mm. The shell thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 25 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 90 mm
cylinder inlet length 50 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 25 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀180 mm to 180×50 mm, thickness 3 mm (📦 #1915)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀180 mm to 180×50 mm, thickness 3 mm
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀180 mm and a rectangular section with inner dimensions 180×50 mm. The wall thickness is 3 mm and the overall length is 250 mm.
Parameter Value Unit
cylinder outer diameter 180 mm
cylinder inlet length 80 mm
rectangle internal length 180 mm
rectangle internal height 50 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 250 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀126 mm to 139×63.5 mm, thickness 3 mm + offset (📦 #2121)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀126 mm to 139×63.5 mm, thickness 3 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀126 mm and a rectangular section with internal dimensions 139×63.5 mm. The wall 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.
Parameter Value Unit
cylinder outer diameter 126 mm
cylinder inlet length 30 mm
rectangle internal length 139 mm
rectangle internal height 63.5 mm
rectangle inlet length 80 mm
offset Z 3 mm
offset Y 3 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer