Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 195×45 mm, thickness 2 mm + offset 📦#10541

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Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀125 mm and a rectangular section with internal dimensions 195×45 mm. The wall thickness is 2 mm and the total length is 170 mm. The adapter has an offset of 25 mm along the Z axis.
Generation date: 2026-07-29
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 195×45 mm, thickness 2 mm + offset

3D model download

Free
  • round-to-rectangular-adapter-d_model10541-nb0_dd{id}.stl : 1.6 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 125 mm (≃4.92 in)
#2 cylinder inlet length 36 mm (≃1.42 in)
#3 rectangle internal length 195 mm (≃7 11/16 in)
#4 rectangle internal height 45 mm (≃1.77 in)
#5 rectangle inlet length 29 mm (≃1.14 in)
#6 offset Z 25 mm (≃0.98 in)
#7 offset Y 0 mm (0 in)
#8 total length 170 mm (≃6 11/16 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 121 mm (≃4 3/4 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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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 file ⌀125 mm to 220×55 mm, thickness 3 mm + offset (📦 #10338)

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Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 220×55 mm, thickness 3 mm + offset
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 220×55 mm. The wall thickness is 3 mm and the total length is 160 mm. The adapter has an offset of 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 25 mm
rectangle internal length 220 mm
rectangle internal height 55 mm
rectangle inlet length 25 mm
offset Z 25 mm
offset Y 0 mm
total length 160 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀96 mm to 240×35 mm, thickness 2 mm + offset (📦 #4683)

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Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀96 mm and a rectangular section with internal dimensions 240×35 mm. The wall thickness is 2 mm and the overall length is 100 mm. The adapter has an offset of 20 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 96 mm
cylinder inlet length 30 mm
rectangle internal length 240 mm
rectangle internal height 35 mm
rectangle inlet length 30 mm
offset Z 20 mm
offset Y 0 mm
total length 100 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 220×55 mm, thickness 3 mm + offset (📦 #10339)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 220×55 mm, thickness 3 mm + offset
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀125 mm and a rectangular section with inner dimensions 220×55 mm. The wall thickness is 3 mm and the total length is 160 mm. The adapter has an offset of 33 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 25 mm
rectangle internal length 220 mm
rectangle internal height 55 mm
rectangle inlet length 25 mm
offset Z 33 mm
offset Y 0 mm
total length 160 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀175 mm to 180×65 mm, thickness 2 mm + offset (📦 #10793)

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Round-to-Rectangular Tube Adapter STL file ⌀175 mm to 180×65 mm, thickness 2 mm + offset
3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀175 mm and a rectangular section with inner dimensions 180×65 mm. The wall thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 175 mm
cylinder inlet length 50 mm
rectangle internal length 180 mm
rectangle internal height 65 mm
rectangle inlet length 50 mm
offset Z 25 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 135×75 mm, thickness 2 mm + offset (📦 #1977)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀100 mm to 135×75 mm, thickness 2 mm + offset
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀100 mm and a rectangular section with inner dimensions 135×75 mm. The shell thickness is 2 mm and the overall length is 160 mm. The adapter has an offset of 30 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 35 mm
rectangle internal length 135 mm
rectangle internal height 75 mm
rectangle inlet length 60 mm
offset Z 30 mm
offset Y 0 mm
total length 160 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 98×58 mm, thickness 2 mm + offset (📦 #9576)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 98×58 mm, thickness 2 mm + offset
Download this model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀125 mm and a rectangular section with internal dimensions 98×58 mm. The wall thickness is 2 mm and the total length is 150 mm. The adapter has an offset of 31.5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 25 mm
rectangle internal length 98 mm
rectangle internal height 58 mm
rectangle inlet length 10 mm
offset Z 31.5 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 208×84 mm, thickness 2 mm (📦 #10395)

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Round-to-Rectangular Tube Adapter STL 3D file ⌀150 mm to 208×84 mm, thickness 2 mm
Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀150 mm and a rectangular section with internal dimensions 208×84 mm. The wall thickness is 2 mm and the overall length is 180 mm.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 30 mm
rectangle internal length 208 mm
rectangle internal height 84 mm
rectangle inlet length 30 mm
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offset Y 0 mm
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thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 215×84 mm, thickness 2 mm (📦 #9210)

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Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 30 mm
rectangle internal length 215 mm
rectangle internal height 84 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 file ⌀92 mm to 160×80 mm, thickness 2 mm + offset (📦 #3422)

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Round-to-Rectangular Tube Adapter STL file ⌀92 mm to 160×80 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀92 mm and a rectangular section with internal dimensions 160×80 mm. The shell thickness is 2 mm and the overall length is 140 mm. The adapter has an offset of 12.5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 92 mm
cylinder inlet length 50 mm
rectangle internal length 160 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
offset Z 12.5 mm
offset Y 0 mm
total length 140 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL file ⌀110 mm to 150×80 mm, thickness 3 mm + offset (📦 #1646)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀110 mm to 150×80 mm, thickness 3 mm + offset
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀110 mm and a rectangular section with internal dimensions 150×80 mm. The wall thickness is 3 mm and the overall length is 120 mm. The adapter has an offset of 30 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 110 mm
cylinder inlet length 30 mm
rectangle internal length 150 mm
rectangle internal height 80 mm
rectangle inlet length 30 mm
offset Z 30 mm
offset Y 0 mm
total length 120 mm
thickness 3 mm
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Round-to-Rectangular Tube Adapter STL file ⌀128 mm to 204×60 mm, thickness 2 mm + offset (📦 #8190)

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Parameter Value Unit
cylinder outer diameter 128 mm
cylinder inlet length 30 mm
rectangle internal length 204 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 32 mm
offset Y 0 mm
total length 140 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀85 mm to 105×50 mm, thickness 2 mm + offset (📦 #1655)

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Round-to-Rectangular Tube Adapter STL file ⌀85 mm to 105×50 mm, thickness 2 mm + offset
3D file 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 wall thickness is 2 mm and the overall length is 150 mm. The adapter has an offset of 23 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 23 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer

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

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀115 mm to 196×20 mm, thickness 2 mm
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀115 mm and a rectangular section with inner dimensions 196×20 mm. The shell thickness is 2 mm and the overall length is 200 mm.
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
total length 200 mm
thickness 2 mm
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Round-to-Rectangular Tube Adapter STL 3D file ⌀120 mm to 205×100 mm, thickness 2 mm + offset (📦 #8382)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀120 mm to 205×100 mm, thickness 2 mm + offset
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀120 mm and a rectangular section with inner dimensions 205×100 mm. The shell thickness is 2 mm and the overall length is 125 mm. The adapter has an offset of 2 mm along the Y axis and 3 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 40 mm
rectangle internal length 205 mm
rectangle internal height 100 mm
rectangle inlet length 12 mm
offset Z 3 mm
offset Y 2 mm
total length 125 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 196×100 mm, thickness 2 mm + offset (📦 #8414)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀120 mm to 196×100 mm, thickness 2 mm + offset
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀120 mm and a rectangular section with internal dimensions 196×100 mm. The shell thickness is 2 mm and the overall length is 125 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 120 mm
cylinder inlet length 40 mm
rectangle internal length 196 mm
rectangle internal height 100 mm
rectangle inlet length 12 mm
offset Z 3 mm
offset Y 3 mm
total length 125 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀148 mm to 228×80 mm, thickness 3 mm + offset (📦 #4277)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀148 mm to 228×80 mm, thickness 3 mm + offset
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀148 mm and a rectangular section with internal dimensions 228×80 mm. The shell thickness is 3 mm and the total length is 150 mm. The adapter has an offset of 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 148 mm
cylinder inlet length 50 mm
rectangle internal length 228 mm
rectangle internal height 80 mm
rectangle inlet length 50 mm
offset Z 25 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 100×30 mm, thickness 3 mm + offset (📦 #5665)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀100 mm to 100×30 mm, thickness 3 mm + offset
Download this 3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀100 mm and a rectangular section with inner dimensions 100×30 mm. The shell thickness is 3 mm and the overall length is 150 mm. The adapter has an offset of 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 100 mm
cylinder inlet length 40 mm
rectangle internal length 100 mm
rectangle internal height 30 mm
rectangle inlet length 30 mm
offset Z 25 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 220×55 mm, thickness 3 mm + offset (📦 #10337)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 220×55 mm, thickness 3 mm + offset
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀125 mm and a rectangular section with internal dimensions 220×55 mm. The shell thickness is 3 mm and the overall length is 160 mm. The adapter has an offset of 47 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 25 mm
rectangle internal length 220 mm
rectangle internal height 55 mm
rectangle inlet length 25 mm
offset Z 47 mm
offset Y 0 mm
total length 160 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 ⌀110 mm to 150×80 mm, thickness 3 mm + offset (📦 #1645)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀110 mm to 150×80 mm, thickness 3 mm + offset
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀110 mm and a rectangular section with internal dimensions 150×80 mm. The shell thickness is 3 mm and the overall length is 100 mm. The adapter has an offset of 20 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 110 mm
cylinder inlet length 30 mm
rectangle internal length 150 mm
rectangle internal height 80 mm
rectangle inlet length 30 mm
offset Z 20 mm
offset Y 0 mm
total length 100 mm
thickness 3 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL 3D file ⌀128 mm to 204×60 mm, thickness 2 mm + offset (📦 #8189)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀128 mm to 204×60 mm, thickness 2 mm + offset
Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀128 mm and a rectangular section with inner dimensions 204×60 mm. The wall thickness is 2 mm and the total length is 140 mm. The adapter has an offset of 40 mm along the Z axis. A chamfer is present on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 128 mm
cylinder inlet length 30 mm
rectangle internal length 204 mm
rectangle internal height 60 mm
rectangle inlet length 30 mm
offset Z 40 mm
offset Y 0 mm
total length 140 mm
thickness 2 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 200×60 mm, thickness 3 mm (📦 #2066)

1 object(s) - format STL
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
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 ⌀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

Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 98×58 mm, thickness 2 mm + offset (📦 #9577)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 98×58 mm, thickness 2 mm + offset
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀125 mm and a rectangular section with internal dimensions 98×58 mm. The shell thickness is 2 mm and the total length is 98 mm. The adapter has an offset of 31.5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 125 mm
cylinder inlet length 25 mm
rectangle internal length 98 mm
rectangle internal height 58 mm
rectangle inlet length 10 mm
offset Z 31.5 mm
offset Y 0 mm
total length 98 mm
thickness 2 mm
chamfer no chamfer

Round-to-Rectangular Tube Adapter STL file ⌀101 mm to 250×38 mm, thickness 3 mm + offset (📦 #3404)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀101 mm to 250×38 mm, thickness 3 mm + offset
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀101 mm and a rectangular section with inner dimensions 250×38 mm. The shell thickness is 3 mm and the total length is 135 mm. The adapter has an offset of 17.5 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 101 mm
cylinder inlet length 50 mm
rectangle internal length 250 mm
rectangle internal height 38 mm
rectangle inlet length 50 mm
offset Z 17.5 mm
offset Y 0 mm
total length 135 mm
thickness 3 mm
chamfer no chamfer