Custom Round-to-Rectangular Tube Adapter STL file ⌀90 mm to 100×50 mm, thickness 3 mm 📦#2858

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Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀90 mm and a rectangular section with internal dimensions 100×50 mm. The wall thickness is 3 mm and the total length is 200 mm.
Generation date: 2025-10-29
3D Model Round-to-Rectangular Tube Adapter STL file ⌀90 mm to 100×50 mm, thickness 3 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model2858-nb0_dd{id}.stl : 991.8 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 90 mm (≃3.54 in)
#2 cylinder inlet length 20 mm (≃0.79 in)
#3 rectangle internal length 100 mm (≃3 15/16 in)
#4 rectangle internal height 50 mm (≃1.97 in)
#5 rectangle inlet length 20 mm (≃0.79 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 200 mm (≃7 7/8 in)
#9 thickness 3 mm (≃1/8 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 84 mm (≃3 5/16 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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Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 121×70 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀75 mm and a rectangular section with inner dimensions 121×70 mm. The wall thickness is 3 mm and the total length is 150 mm.
Parameter Value Unit
cylinder outer diameter 75 mm
cylinder inlet length 20 mm
rectangle internal length 121 mm
rectangle internal height 70 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀78 mm to 122×73 mm, thickness 3 mm (📦 #9840)

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Parameter Value Unit
cylinder outer diameter 78 mm
cylinder inlet length 20 mm
rectangle internal length 122 mm
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offset Z 0 mm
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Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 122×72 mm, thickness 3 mm (📦 #9880)

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Parameter Value Unit
cylinder outer diameter 75 mm
cylinder inlet length 19 mm
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rectangle internal height 72 mm
rectangle inlet length 30 mm
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Round-to-Rectangular Tube Adapter STL file ⌀73 mm to 122×72 mm, thickness 3 mm (📦 #9882)

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Round-to-Rectangular Tube Adapter STL file ⌀73 mm to 122×72 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀73 mm and a rectangular section with inner dimensions 122×72 mm. The shell thickness is 3 mm and the total length is 150 mm.
Parameter Value Unit
cylinder outer diameter 73 mm
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Round-to-Rectangular Tube Adapter STL file ⌀71 mm to 122×72 mm, thickness 3 mm (📦 #9884)

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Round-to-Rectangular Tube Adapter STL file ⌀71 mm to 122×72 mm, thickness 3 mm
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀71 mm and a rectangular section with inner dimensions 122×72 mm. The wall thickness is 3 mm and the total length is 150 mm.
Parameter Value Unit
cylinder outer diameter 71 mm
cylinder inlet length 20 mm
rectangle internal length 122 mm
rectangle internal height 72 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀68 mm to 122×72 mm, thickness 3 mm (📦 #9883)

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Parameter Value Unit
cylinder outer diameter 68 mm
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀76 mm to 90×40 mm, thickness 3 mm + offset (📦 #7198)

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Parameter Value Unit
cylinder outer diameter 76 mm
cylinder inlet length 20 mm
rectangle internal length 90 mm
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rectangle inlet length 15 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 50×50 mm, thickness 2 mm (📦 #2141)

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Parameter Value Unit
cylinder outer diameter 100 mm
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Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 60×60 mm, thickness 3 mm (📦 #1502)

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Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 60×60 mm, thickness 3 mm
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Parameter Value Unit
cylinder outer diameter 125 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 100×50 mm, thickness 3 mm + offset (📦 #1754)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 100×50 mm, thickness 3 mm + offset
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
rectangle internal length 100 mm
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Parameter Value Unit
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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 ⌀60 mm to 120×120 mm, thickness 3 mm (📦 #6452)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 120×120 mm, thickness 3 mm
3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀60 mm and a rectangular section with internal dimensions 120×120 mm. The shell thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 30 mm
rectangle internal length 120 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀106 mm to 111×55 mm, thickness 3 mm (📦 #5030)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀106 mm to 111×55 mm, thickness 3 mm
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀106 mm and a rectangular section with inner dimensions 111×55 mm. The wall thickness is 3 mm and the total length is 100 mm.
Parameter Value Unit
cylinder outer diameter 106 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀81 mm to 108×52 mm, thickness 3 mm + offset (📦 #4011)

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Parameter Value Unit
cylinder outer diameter 81 mm
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thickness 3 mm
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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
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offset Y 0 mm
total length 150 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 12×7 mm, thickness 3 mm + offset (📦 #4888)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 12×7 mm, thickness 3 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀125 mm and a rectangular section with inner dimensions 12×7 mm. The shell thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 3 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 6 mm
rectangle internal length 12 mm
rectangle internal height 7 mm
rectangle inlet length 5 mm
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thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀76 mm to 92×92 mm, thickness 3 mm (📦 #6516)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀76 mm to 92×92 mm, thickness 3 mm
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀76 mm and a rectangular section with inner dimensions 92×92 mm. The wall thickness is 3 mm and the total length is 90 mm.
Parameter Value Unit
cylinder outer diameter 76 mm
cylinder inlet length 20 mm
rectangle internal length 92 mm
rectangle internal height 92 mm
rectangle inlet length 20 mm
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offset Y 0 mm
total length 90 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀48.5 mm to 120×120 mm, thickness 3 mm (📦 #6869)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀48.5 mm to 120×120 mm, thickness 3 mm
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀48.5 mm and a rectangular section with internal dimensions 120×120 mm. The shell thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 48.5 mm
cylinder inlet length 20 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 100×50 mm, thickness 3 mm + offset (📦 #1966)

1 object(s) - format STL (5.0/5) 1 vote(s)
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 100×50 mm, thickness 3 mm + offset
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 100×50 mm. The shell thickness is 3 mm and the total length is 100 mm. The adapter has an offset of 3 mm along the Y axis and 3 mm along the Z axis. A chamfer is applied on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 30 mm
rectangle internal length 100 mm
rectangle internal height 50 mm
rectangle inlet length 30 mm
offset Z 3 mm
offset Y 3 mm
total length 100 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀40 mm to 120×120 mm, thickness 3 mm (📦 #6453)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀40 mm to 120×120 mm, thickness 3 mm
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀40 mm and a rectangular section with internal dimensions 120×120 mm. The wall thickness is 3 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 40 mm
cylinder inlet length 30 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 17 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
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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 file ⌀150 mm to 200×60 mm, thickness 3 mm (📦 #7972)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 200×60 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀150 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 150 mm
cylinder inlet length 30 mm
rectangle internal length 200 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 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 ⌀119 mm to 114×79 mm, thickness 3 mm + offset (📦 #2248)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀119 mm to 114×79 mm, thickness 3 mm + offset
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Parameter Value Unit
cylinder outer diameter 119 mm
cylinder inlet length 30 mm
rectangle internal length 114 mm
rectangle internal height 79 mm
rectangle inlet length 30 mm
offset Z 10.5 mm
offset Y 3 mm
total length 100 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 220×90 mm, thickness 3 mm (📦 #2671)

1 object(s) - format STL
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
cylinder inlet length 30 mm
rectangle internal length 220 mm
rectangle internal height 90 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer no chamfer