Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀200 mm to 300×125 mm, thickness 5 mm 📦#2939

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Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀200 mm and a rectangular section with inner dimensions 300×125 mm. The wall thickness is 5 mm and the total length is 300 mm. A chamfer is present on the inside of the rectangular end to ease insertion.
Generation date: 2025-11-01
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀200 mm to 300×125 mm, thickness 5 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model2939-nb0_dd{id}.stl : 1.4 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 200 mm (≃7 7/8 in)
#2 cylinder inlet length 75 mm (≃2 15/16 in)
#3 rectangle internal length 300 mm (≃11 13/16 in)
#4 rectangle internal height 125 mm (≃4.92 in)
#5 rectangle inlet length 75 mm (≃2 15/16 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 300 mm (≃11 13/16 in)
#9 thickness 5 mm (≃3/16 in)
#10 chamfer chamfer on the inside
of the rectangular tube
Metadata Value
Cylinder internal diameter 190 mm (≃7.48 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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Round-to-Rectangular Tube Adapter STL file ⌀200 mm to 300×125 mm, thickness 5 mm (📦 #1867)

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Parameter Value Unit
cylinder outer diameter 200 mm
cylinder inlet length 75 mm
rectangle internal length 300 mm
rectangle internal height 125 mm
rectangle inlet length 75 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 5 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀200 mm to 165×97.5 mm, thickness 4 mm (📦 #4932)

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Parameter Value Unit
cylinder outer diameter 200 mm
cylinder inlet length 70 mm
rectangle internal length 165 mm
rectangle internal height 97.5 mm
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offset Y 0 mm
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Round-to-Rectangular Tube Adapter STL file ⌀200 mm to 172×102.6 mm, thickness 4 mm (📦 #4926)

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Round-to-Rectangular Tube Adapter STL file ⌀200 mm to 172×102.6 mm, thickness 4 mm
Download this 3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀200 mm and a rectangular section with internal dimensions 172×102.6 mm. The shell thickness is 4 mm and the total length is 250 mm.
Parameter Value Unit
cylinder outer diameter 200 mm
cylinder inlet length 70 mm
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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 200×115 mm, thickness 4 mm (📦 #2682)

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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 200×115 mm, thickness 4 mm
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Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 50 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 300×95 mm, thickness 5 mm + offset (📦 #3858)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 300×95 mm, thickness 5 mm + offset
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Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL file ⌀195 mm to 195×30 mm, thickness 4 mm (📦 #7185)

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Download this model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀195 mm and a rectangular section with internal dimensions 195×30 mm. The shell thickness is 4 mm and the total length is 200 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 195 mm
cylinder inlet length 50 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀112 mm to 290×80 mm, thickness 3 mm (📦 #2034)

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Parameter Value Unit
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Parameter Value Unit
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cylinder inlet length 60 mm
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Parameter Value Unit
cylinder outer diameter 200 mm
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Parameter Value Unit
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Parameter Value Unit
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cylinder inlet length 50 mm
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Parameter Value Unit
cylinder outer diameter 101.6 mm
cylinder inlet length 50 mm
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Round-to-Rectangular Tube Adapter STL file ⌀110 mm to 170×120 mm, thickness 3 mm (📦 #4278)

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Parameter Value Unit
cylinder outer diameter 110 mm
cylinder inlet length 70 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀160 mm to 240×100 mm, thickness 3 mm (📦 #9704)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀160 mm to 240×100 mm, thickness 3 mm
3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀160 mm and a rectangular section with inner dimensions 240×100 mm. The shell thickness is 3 mm and the total length is 200 mm.
Parameter Value Unit
cylinder outer diameter 160 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀110 mm to 110×85 mm, thickness 5 mm (📦 #7625)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀110 mm to 110×85 mm, thickness 5 mm
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀110 mm and a rectangular section with internal dimensions 110×85 mm. The shell thickness is 5 mm and the total length is 260 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 110 mm
cylinder inlet length 50 mm
rectangle internal length 110 mm
rectangle internal height 85 mm
rectangle inlet length 100 mm
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offset Y 0 mm
total length 260 mm
thickness 5 mm
chamfer chamfers on ...

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
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rectangle internal length 180 mm
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rectangle inlet length 50 mm
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offset Y 0 mm
total length 250 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀202 mm to 225×110 mm, thickness 3 mm (📦 #9391)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀202 mm to 225×110 mm, thickness 3 mm
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀202 mm and a rectangular section with internal dimensions 225×110 mm. The wall thickness is 3 mm and the total length is 200 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 202 mm
cylinder inlet length 80 mm
rectangle internal length 225 mm
rectangle internal height 110 mm
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offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀160 mm to 300×120 mm, thickness 3 mm (📦 #2007)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀160 mm to 300×120 mm, thickness 3 mm
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀160 mm and a rectangular section with internal dimensions 300×120 mm. The wall thickness is 3 mm and the overall length is 200 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 160 mm
cylinder inlet length 30 mm
rectangle internal length 300 mm
rectangle internal height 120 mm
rectangle inlet length 80 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀250 mm to 250×150 mm, thickness 3 mm + offset (📦 #2131)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀250 mm to 250×150 mm, thickness 3 mm + offset
File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀250 mm and a rectangular section with internal dimensions 250×150 mm. The shell thickness is 3 mm and the total length is 165 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 to ease insertion.
Parameter Value Unit
cylinder outer diameter 250 mm
cylinder inlet length 50 mm
rectangle internal length 250 mm
rectangle internal height 150 mm
rectangle inlet length 80 mm
offset Z 15 mm
offset Y 0 mm
total length 165 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀97 mm to 110×85 mm, thickness 5 mm (📦 #7628)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀97 mm to 110×85 mm, thickness 5 mm
Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀97 mm and a rectangular section with inner dimensions 110×85 mm. The shell thickness is 5 mm and the overall length is 260 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 97 mm
cylinder inlet length 50 mm
rectangle internal length 110 mm
rectangle internal height 85 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 260 mm
thickness 5 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 280×140 mm, thickness 5 mm (📦 #9226)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 280×140 mm, thickness 5 mm
3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 280×140 mm. The wall thickness is 5 mm and the total length is 150 mm. A chamfer is applied on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 50 mm
rectangle internal length 280 mm
rectangle internal height 140 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 5 mm
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Round-to-Rectangular Tube Adapter STL file ⌀108 mm to 154×240 mm, thickness 5 mm (📦 #4094)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀108 mm to 154×240 mm, thickness 5 mm
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀108 mm and a rectangular section with internal dimensions 154×240 mm. The shell thickness is 5 mm and the total length is 240 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 108 mm
cylinder inlet length 50 mm
rectangle internal length 154 mm
rectangle internal height 240 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 240 mm
thickness 5 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀122 mm to 220×90 mm, thickness 3 mm (📦 #2157)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀122 mm to 220×90 mm, thickness 3 mm
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀122 mm and a rectangular section with inner dimensions 220×90 mm. The wall thickness is 3 mm and the total length is 250 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 122 mm
cylinder inlet length 35 mm
rectangle internal length 220 mm
rectangle internal height 90 mm
rectangle inlet length 70 mm
offset Z 0 mm
offset Y 0 mm
total length 250 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀90 mm to 220×40 mm, thickness 4 mm (📦 #4854)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀90 mm to 220×40 mm, thickness 4 mm
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀90 mm and a rectangular section with inner dimensions 220×40 mm. The wall thickness is 4 mm and the total length is 250 mm.
Parameter Value Unit
cylinder outer diameter 90 mm
cylinder inlet length 100 mm
rectangle internal length 220 mm
rectangle internal height 40 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 250 mm
thickness 4 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀76.2 mm to 300×50.8 mm, thickness 4 mm (📦 #2133)

1 object(s) - format STL
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
offset Z 0 mm
offset Y 0 mm
total length 166 mm
thickness 4 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀154.4 mm to 220×20 mm, thickness 3 mm (📦 #4930)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀154.4 mm to 220×20 mm, thickness 3 mm
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀154.4 mm and a rectangular section with inner dimensions 220×20 mm. The shell thickness is 3 mm and the overall length is 250 mm. A chamfer is applied on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 154.4 mm
cylinder inlet length 35 mm
rectangle internal length 220 mm
rectangle internal height 20 mm
rectangle inlet length 70 mm
offset Z 0 mm
offset Y 0 mm
total length 250 mm
thickness 3 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀152.4 mm to 220×20 mm, thickness 3 mm (📦 #4928)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀152.4 mm to 220×20 mm, thickness 3 mm
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀152.4 mm and a rectangular section with internal dimensions 220×20 mm. The shell thickness is 3 mm and the overall length is 250 mm. A chamfer is applied on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 152.4 mm
cylinder inlet length 35 mm
rectangle internal length 220 mm
rectangle internal height 20 mm
rectangle inlet length 70 mm
offset Z 0 mm
offset Y 0 mm
total length 250 mm
thickness 3 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 300×20 mm, thickness 3 mm + offset (📦 #9657)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 300×20 mm, thickness 3 mm + offset
Download this model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀150 mm and a rectangular section with inner dimensions 300×20 mm. The wall thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 5 mm along the Y axis and 5 mm along the Z axis. A chamfer is present on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 50 mm
rectangle internal length 300 mm
rectangle internal height 20 mm
rectangle inlet length 50 mm
offset Z 5 mm
offset Y 5 mm
total length 200 mm
thickness 3 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL 3D file ⌀250 mm to 300×105 mm, thickness 5 mm + offset (📦 #7952)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀250 mm to 300×105 mm, thickness 5 mm + offset
Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀250 mm and a rectangular section with inner dimensions 300×105 mm. The shell thickness is 5 mm and the total length is 125 mm. The adapter has an offset of 05 mm along the Y axis and 5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 250 mm
cylinder inlet length 35 mm
rectangle internal length 300 mm
rectangle internal height 105 mm
rectangle inlet length 50 mm
offset Z 5 mm
offset Y 05 mm
total length 125 mm
thickness 5 mm
chamfer no chamfer