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Round-to-Rectangular Tube Adapter STL file ⌀116 mm to 250×40 mm, thickness 2 mm 📦#1535

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3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀116 mm and a rectangular section with internal dimensions 250×40 mm. The shell thickness is 2 mm and the total length is 250 mm.
Generation date: 2025-09-02
3D Model Round-to-Rectangular Tube Adapter STL file ⌀116 mm to 250×40 mm, thickness 2 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model1535-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)
Safe download

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 116 mm
#2 cylinder inlet length 25 mm
#3 rectangle internal length 250 mm
#4 rectangle internal height 40 mm
#5 rectangle inlet length 50 mm
#6 offset Z 0 mm
#7 offset Y 0 mm
#8 total length 250 mm
#9 thickness 2 mm
#10 chamfer no chamfer
illustration of the parameters
Representation of the parameters

  • 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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To search for a model based on your own parameters, go to the template page Round to rectangular adapter 

Round-to-Rectangular Tube Adapter STL 3D file ⌀115 mm to 196×20 mm, thickness 2 mm (📦 #2115)

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Parameter Value Unit
cylinder outer diameter 115 mm
cylinder inlet length 40 mm
rectangle internal length 196 mm
rectangle internal height 20 mm
rectangle inlet length 53 mm
offset Z 0 mm
offset Y 0 mm
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thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀112 mm to 294×67 mm, thickness 3 mm (📦 #1627)

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Round-to-Rectangular Tube Adapter STL file ⌀112 mm to 294×67 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀112 mm and a rectangular section with internal dimensions 294×67 mm. The wall thickness is 3 mm and the overall length is 248 mm.
Parameter Value Unit
cylinder outer diameter 112 mm
cylinder inlet length 30 mm
rectangle internal length 294 mm
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rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 248 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀120 mm to 250×50 mm, thickness 2 mm + offset (📦 #2136)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀120 mm to 250×50 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀120 mm and a rectangular section with internal dimensions 250×50 mm. The shell thickness is 2 mm and the total length is 250 mm. The adapter has an offset of 30 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 5 mm
rectangle internal length 250 mm
rectangle internal height 50 mm
rectangle inlet length 60 mm
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total length 250 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 200×60 mm, thickness 3 mm (📦 #2066)

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Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 200×60 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀125 mm and a rectangular section with internal dimensions 200×60 mm. The shell thickness is 3 mm and the overall length is 200 mm.
Parameter Value Unit
cylinder outer diameter 125 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀124 mm to 250×80 mm, thickness 3 mm (📦 #2146)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀124 mm to 250×80 mm, thickness 3 mm
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀124 mm and a rectangular section with internal dimensions 250×80 mm. The wall thickness is 3 mm and the total length is 186 mm.
Parameter Value Unit
cylinder outer diameter 124 mm
cylinder inlet length 30 mm
rectangle internal length 250 mm
rectangle internal height 80 mm
rectangle inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 220×90 mm, thickness 3 mm (📦 #2671)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 220×90 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀125 mm and a rectangular section with inner dimensions 220×90 mm. The shell thickness is 3 mm and the total length is 200 mm.
Parameter Value Unit
cylinder outer diameter 125 mm
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rectangle internal length 220 mm
rectangle internal height 90 mm
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offset Y 0 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 300×40 mm, thickness 2 mm (📦 #1874)

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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 300×40 mm, thickness 2 mm
Download this 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 300×40 mm. The shell thickness is 2 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
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rectangle internal length 300 mm
rectangle internal height 40 mm
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offset Y 0 mm
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Round-to-Rectangular Tube Adapter STL file ⌀112 mm to 294×67 mm, thickness 3 mm (📦 #1628)

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File in STL format of a round-to-rectangular adapter with an external diameter of ⌀112 mm and a rectangular section with inner dimensions 294×67 mm. The wall thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 112 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 file ⌀100 mm to 150×50 mm, thickness 2 mm (📦 #1616)

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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
rectangle inlet length 40 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 3D file ⌀100 mm to 150×50 mm, thickness 2 mm (📦 #1632)

1 object(s) - format STL
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Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 150×50 mm. The wall thickness is 2 mm and the total length is 150 mm.
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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offset Y 0 mm
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Parameter Value Unit
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3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀102 mm and a rectangular section with internal dimensions 170×100 mm. The wall thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 102 mm
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rectangle inlet length 30 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 ⌀100 mm to 150×50 mm, thickness 2 mm (📦 #1615)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 150×50 mm, thickness 2 mm
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with inner dimensions 150×50 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 100 mm
cylinder inlet length 50 mm
rectangle internal length 150 mm
rectangle internal height 50 mm
rectangle inlet length 80 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 3D file ⌀85 mm to 105×50 mm, thickness 2 mm (📦 #1654)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀85 mm to 105×50 mm, thickness 2 mm
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀85 mm and a rectangular section with internal dimensions 105×50 mm. The shell thickness is 2 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 85 mm
cylinder inlet length 50 mm
rectangle internal length 105 mm
rectangle internal height 50 mm
rectangle inlet length 46 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 105×50 mm, thickness 2 mm (📦 #1772)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 105×50 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀80 mm and a rectangular section with inner dimensions 105×50 mm. The wall thickness is 2 mm and the total length is 150 mm.
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 0 mm
total length 150 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀98 mm to 300×50 mm, thickness 2 mm + offset (📦 #1583)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀98 mm to 300×50 mm, thickness 2 mm + offset
Download this model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀98 mm and a rectangular section with internal dimensions 300×50 mm. The shell thickness is 2 mm and the overall length is 200 mm. The adapter has an offset of 45 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 98 mm
cylinder inlet length 50 mm
rectangle internal length 300 mm
rectangle internal height 50 mm
rectangle inlet length 60 mm
offset Z 45 mm
offset Y 0 mm
total length 200 mm
thickness 2 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

Round-to-Rectangular Tube Adapter STL 3D file ⌀85 mm to 105×50 mm, thickness 2 mm + offset (📦 #1656)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀85 mm to 105×50 mm, thickness 2 mm + offset
Download this model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀85 mm and a rectangular section with internal dimensions 105×50 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.
Parameter Value Unit
cylinder outer diameter 85 mm
cylinder inlet length 50 mm
rectangle internal length 105 mm
rectangle internal height 50 mm
rectangle inlet length 46 mm
offset Z 15 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer

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
cylinder outer diameter 76 mm
cylinder inlet length 20 mm
rectangle internal length 160 mm
rectangle internal height 25 mm
rectangle inlet length 20 mm
offset Z 30 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 220×60 mm, thickness 3 mm (📦 #1923)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 220×60 mm, thickness 3 mm
3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀100 mm and a rectangular section with internal dimensions 220×60 mm. The wall thickness is 3 mm and the total length is 220 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 50 mm
rectangle internal length 220 mm
rectangle internal height 60 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 220 mm
thickness 3 mm
chamfer chamfer on t...

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 3D file ⌀155 mm to 151×71 mm, thickness 2 mm (📦 #2375)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀155 mm to 151×71 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀155 mm and a rectangular section with inner dimensions 151×71 mm. The wall thickness is 2 mm and the total length is 100 mm.
Parameter Value Unit
cylinder outer diameter 155 mm
cylinder inlet length 25 mm
rectangle internal length 151 mm
rectangle internal height 71 mm
rectangle inlet length 25 mm
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer no chamfer

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
cylinder inlet length 40 mm
rectangle internal length 239 mm
rectangle internal height 24 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀99.5 mm to 170×100 mm, thickness 2 mm (📦 #1691)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀99.5 mm to 170×100 mm, thickness 2 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀99.5 mm and a rectangular section with internal dimensions 170×100 mm. The shell thickness is 2 mm and the total length is 180 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 99.5 mm
cylinder inlet length 30 mm
rectangle internal length 170 mm
rectangle internal height 100 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 180 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀115 mm to 196×20 mm, thickness 2 mm + offset (📦 #2116)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀115 mm to 196×20 mm, thickness 2 mm + offset
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀115 mm and a rectangular section with internal dimensions 196×20 mm. The shell thickness is 2 mm and the overall length is 200 mm. The adapter has an offset of 53 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 115 mm
cylinder inlet length 40 mm
rectangle internal length 196 mm
rectangle internal height 20 mm
rectangle inlet length 53 mm
offset Z 53 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer no chamfer