Custom Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 90×10 mm, thickness 3 mm 📦#1476

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File in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 90×10 mm. The shell thickness is 3 mm and the total length is 60 mm.
Generation date: 2025-08-30
3D Model Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 90×10 mm, thickness 3 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model1476-nb0_dd{id}.stl : 4.8 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 100 mm (≃3 15/16 in)
#2 cylinder inlet length 30 mm (≃1 3/16 in)
#3 rectangle internal length 90 mm (≃3.54 in)
#4 rectangle internal height 10 mm (≃0.39 in)
#5 rectangle inlet length 10 mm (≃0.39 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 60 mm (≃2 3/8 in)
#9 thickness 3 mm (≃1/8 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 94 mm (≃3 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
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Parameter Value Unit
cylinder outer diameter 90 mm
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Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 20 mm
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Parameter Value Unit
cylinder outer diameter 99 mm
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Parameter Value Unit
cylinder outer diameter 106 mm
cylinder inlet length 30 mm
rectangle internal length 111 mm
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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 80 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀126.0 mm to 120×70 mm, thickness 3 mm (📦 #2232)

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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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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 100 mm
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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 108 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 35×25 mm, thickness 3 mm
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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
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Model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀125 mm and a rectangular section with internal dimensions 98×58 mm. The shell thickness is 2 mm and the overall length is 55 mm.
Parameter Value Unit
cylinder outer diameter 125 mm
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rectangle internal length 98 mm
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rectangle inlet length 10 mm
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offset Y 0 mm
total length 55 mm
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Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 60×60 mm, thickness 2 mm (📦 #4111)

1 object(s) - format STL
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File in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀120 mm and a rectangular section with inner dimensions 60×60 mm. The shell thickness is 2 mm and the overall length is 60 mm.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 30 mm
rectangle internal length 60 mm
rectangle internal height 60 mm
rectangle inlet length 10 mm
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offset Y 0 mm
total length 60 mm
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Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 128×30 mm, thickness 4 mm (📦 #2437)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 128×30 mm, thickness 4 mm
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀78 mm and a rectangular section with internal dimensions 128×30 mm. The shell thickness is 4 mm and the total length is 80 mm.
Parameter Value Unit
cylinder outer diameter 78 mm
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rectangle internal height 30 mm
rectangle inlet length 20 mm
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offset Y 0 mm
total length 80 mm
thickness 4 mm
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Round-to-Rectangular Tube Adapter STL file ⌀65 mm to 47×23 mm, thickness 2 mm (📦 #2800)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀65 mm to 47×23 mm, thickness 2 mm
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀65 mm and a rectangular section with inner dimensions 47×23 mm. The wall thickness is 2 mm and the total length is 50 mm.
Parameter Value Unit
cylinder outer diameter 65 mm
cylinder inlet length 24 mm
rectangle internal length 47 mm
rectangle internal height 23 mm
rectangle inlet length 5 mm
offset Z 0 mm
offset Y 0 mm
total length 50 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀81 mm to 108×52 mm, thickness 3 mm + offset (📦 #4012)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀81 mm to 108×52 mm, thickness 3 mm + offset
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀81 mm and a rectangular section with inner dimensions 108×52 mm. The wall thickness is 3 mm and the total length is 60 mm. The adapter has an offset of 10 mm along the Y axis.
Parameter Value Unit
cylinder outer diameter 81 mm
cylinder inlet length 15 mm
rectangle internal length 108 mm
rectangle internal height 52 mm
rectangle inlet length 15 mm
offset Z 0 mm
offset Y 10 mm
total length 60 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 80×80 mm, thickness 3 mm (📦 #2123)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 80×80 mm, thickness 3 mm
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with internal dimensions 80×80 mm. The shell thickness is 3 mm and the overall length is 65 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 15 mm
rectangle internal length 80 mm
rectangle internal height 80 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 65 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀109 mm to 55×12 mm, thickness 3 mm (📦 #8797)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀109 mm to 55×12 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀109 mm and a rectangular section with internal dimensions 55×12 mm. The shell thickness is 3 mm and the overall length is 120 mm.
Parameter Value Unit
cylinder outer diameter 109 mm
cylinder inlet length 40 mm
rectangle internal length 55 mm
rectangle internal height 12 mm
rectangle inlet length 40 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 3 mm
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1 object(s) - format STL
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File in STL format of a round-to-rectangular adapter with an external diameter of ⌀95 mm and a rectangular section with internal dimensions 110×32 mm. The wall thickness is 3 mm and the overall length is 120 mm.
Parameter Value Unit
cylinder outer diameter 95 mm
cylinder inlet length 50 mm
rectangle internal length 110 mm
rectangle internal height 32 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀74 mm to 128×30 mm, thickness 4 mm (📦 #3082)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀74 mm to 128×30 mm, thickness 4 mm
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀74 mm and a rectangular section with internal dimensions 128×30 mm. The shell thickness is 4 mm and the total length is 80 mm.
Parameter Value Unit
cylinder outer diameter 74 mm
cylinder inlet length 20 mm
rectangle internal length 128 mm
rectangle internal height 30 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 4 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 50×50 mm, thickness 2 mm (📦 #1497)

1 object(s) - format STL (5.0/5) 4 vote(s)
Round-to-Rectangular Tube Adapter STL 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 outer diameter of ⌀100 mm and a rectangular section with internal dimensions 50×50 mm. The wall thickness is 2 mm and the overall length is 100 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
offset Z 0 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀60 mm to 150×20 mm, thickness 3 mm + offset (📦 #3682)

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 ⌀60 mm and a rectangular section with internal dimensions 150×20 mm. The shell thickness is 3 mm and the total length is 60 mm. The adapter has an offset of 15 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 60 mm
cylinder inlet length 15 mm
rectangle internal length 150 mm
rectangle internal height 20 mm
rectangle inlet length 15 mm
offset Z 15 mm
offset Y 0 mm
total length 60 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 106×49 mm, thickness 2 mm (📦 #5029)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 106×49 mm, thickness 2 mm
Download this model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 106×49 mm. The wall thickness is 2 mm and the total length is 90 mm.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 30 mm
rectangle internal length 106 mm
rectangle internal height 49 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 90 mm
thickness 2 mm
chamfer no chamfer