Custom Round-to-Rectangular Tube Adapter STL file ⌀199 mm to 204×204 mm, thickness 3 mm 📦#1892

STL Download STL
Create a new model expert
from scratch search for a model
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀199 mm and a rectangular section with internal dimensions 204×204 mm. The wall thickness is 3 mm and the total length is 300 mm. Chamfers are applied on the outside of the cylindrical end and on the inside of the rectangular end.
Generation date: 2025-09-20
3D Model Round-to-Rectangular Tube Adapter STL file ⌀199 mm to 204×204 mm, thickness 3 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model1892-nb0_dd{id}.stl : 995.4 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)
Safe download
Instant .zip download — no email, no account

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 199 mm (≃7.83 in)
#2 cylinder inlet length 25 mm (≃0.98 in)
#3 rectangle internal length 204 mm (≃8.03 in)
#4 rectangle internal height 204 mm (≃8.03 in)
#5 rectangle inlet length 25 mm (≃0.98 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 3 mm (≃1/8 in)
#10 chamfer chamfers on the outside
of the cylindrical tube
and on the inside of
the rectangular tube
Metadata Value
Cylinder internal diameter 193 mm (≃7.60 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

Related 3D models

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 ⌀249 mm to 204×204 mm, thickness 3 mm (📦 #1893)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀249 mm to 204×204 mm, thickness 3 mm
3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀249 mm and a rectangular section with inner dimensions 204×204 mm. The shell thickness is 3 mm and the total length is 249 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 249 mm
cylinder inlet length 20 mm
rectangle internal length 204 mm
rectangle internal height 204 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 249 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL 3D file ⌀156 mm to 200×200 mm, thickness 3 mm (📦 #9781)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀156 mm to 200×200 mm, thickness 3 mm
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀156 mm and a rectangular section with internal dimensions 200×200 mm. The shell 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 156 mm
cylinder inlet length 40 mm
rectangle internal length 200 mm
rectangle internal height 200 mm
rectangle inlet length 50 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 file ⌀156 mm to 180×220 mm, thickness 3 mm (📦 #9782)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀156 mm to 180×220 mm, thickness 3 mm
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀156 mm and a rectangular section with inner dimensions 180×220 mm. The shell thickness is 3 mm and the total 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 156 mm
cylinder inlet length 40 mm
rectangle internal length 180 mm
rectangle internal height 220 mm
rectangle inlet length 50 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 ⌀195 mm to 185×185 mm, thickness 3 mm (📦 #6601)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀195 mm to 185×185 mm, thickness 3 mm
Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀195 mm and a rectangular section with internal dimensions 185×185 mm. The shell thickness is 3 mm and the total length is 160 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 40 mm
rectangle internal length 185 mm
rectangle internal height 185 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 160 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀149.6 mm to 120×150 mm, thickness 3 mm (📦 #9894)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀149.6 mm to 120×150 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀149.6 mm and a rectangular section with inner dimensions 120×150 mm. The wall thickness is 3 mm and the overall length is 200 mm. A chamfer is present on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 149.6 mm
cylinder inlet length 35 mm
rectangle internal length 120 mm
rectangle internal height 150 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer chamfer on t...

Round-to-Rectangular Tube Adapter STL file ⌀156 mm to 180×290 mm, thickness 3 mm (📦 #9783)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀156 mm to 180×290 mm, thickness 3 mm
3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀156 mm and a rectangular section with internal dimensions 180×290 mm. The wall thickness is 3 mm and the total 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 156 mm
cylinder inlet length 40 mm
rectangle internal length 180 mm
rectangle internal height 290 mm
rectangle inlet length 50 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 file ⌀150 mm to 240×120 mm, thickness 3 mm (📦 #10091)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 240×120 mm, thickness 3 mm
3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀150 mm and a rectangular section with inner dimensions 240×120 mm. The shell thickness is 3 mm and the overall length is 220 mm. A chamfer is applied on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 25 mm
rectangle internal length 240 mm
rectangle internal height 120 mm
rectangle inlet length 25 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 file ⌀300 mm to 200×200 mm, thickness 3 mm (📦 #1684)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀300 mm to 200×200 mm, thickness 3 mm
3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀300 mm and a rectangular section with internal dimensions 200×200 mm. The shell thickness is 3 mm and the overall 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 300 mm
cylinder inlet length 25 mm
rectangle internal length 200 mm
rectangle internal height 200 mm
rectangle inlet length 50 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 file ⌀150 mm to 200×115 mm, thickness 4 mm (📦 #2682)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 200×115 mm, thickness 4 mm
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀150 mm and a rectangular section with internal dimensions 200×115 mm. The shell thickness is 4 mm and the total 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 150 mm
cylinder inlet length 50 mm
rectangle internal length 200 mm
rectangle internal height 115 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 4 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 3D file ⌀160 mm to 194×194 mm, thickness 3 mm (📦 #8537)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀160 mm to 194×194 mm, thickness 3 mm
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀160 mm and a rectangular section with internal dimensions 194×194 mm. The shell thickness is 3 mm and the total length is 99 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 160 mm
cylinder inlet length 35 mm
rectangle internal length 194 mm
rectangle internal height 194 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 99 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀165 mm to 300×120 mm, thickness 3 mm + offset (📦 #2032)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀165 mm to 300×120 mm, thickness 3 mm + offset
Model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀165 mm and a rectangular section with inner dimensions 300×120 mm. The shell thickness is 3 mm and the total length is 200 mm. The adapter has an offset of 35 mm along the Z axis. 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 165 mm
cylinder inlet length 30 mm
rectangle internal length 300 mm
rectangle internal height 120 mm
rectangle inlet length 40 mm
offset Z 35 mm
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 file ⌀280 mm to 100×100 mm, thickness 3 mm (📦 #1683)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀280 mm to 100×100 mm, thickness 3 mm
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀280 mm and a rectangular section with inner dimensions 100×100 mm. The shell thickness is 3 mm and the total 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 280 mm
cylinder inlet length 25 mm
rectangle internal length 100 mm
rectangle internal height 100 mm
rectangle inlet length 50 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 ⌀99.5 mm to 170×100 mm, thickness 3 mm (📦 #1692)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀99.5 mm to 170×100 mm, thickness 3 mm
Download this file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀99.5 mm and a rectangular section with inner dimensions 170×100 mm. The wall thickness is 3 mm and the total length is 180 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 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 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀195 mm to 185×185 mm, thickness 3 mm (📦 #6602)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀195 mm to 185×185 mm, thickness 3 mm
Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀195 mm and a rectangular section with internal dimensions 185×185 mm. The shell thickness is 3 mm and the overall length is 80 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 195 mm
cylinder inlet length 20 mm
rectangle internal length 185 mm
rectangle internal height 185 mm
rectangle inlet length 30 mm
offset Z 0 mm
offset Y 0 mm
total length 80 mm
thickness 3 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 240×100 mm, thickness 3 mm (📦 #7974)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 240×100 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀150 mm and a rectangular section with inner dimensions 240×100 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 150 mm
cylinder inlet length 60 mm
rectangle internal length 240 mm
rectangle internal height 100 mm
rectangle inlet length 60 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 ⌀122 mm to 220×90 mm, thickness 3 mm + offset (📦 #2158)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL 3D file ⌀122 mm to 220×90 mm, thickness 3 mm + offset
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀122 mm and a rectangular section with internal dimensions 220×90 mm. The wall thickness is 3 mm and the overall length is 200 mm. The adapter has an offset of 30 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 122 mm
cylinder inlet length 25 mm
rectangle internal length 220 mm
rectangle internal height 90 mm
rectangle inlet length 35 mm
offset Z 30 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer chamfers on ...

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
rectangle inlet length 20 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 file ⌀158 mm to 210×35 mm, thickness 4 mm (📦 #2530)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀158 mm to 210×35 mm, thickness 4 mm
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀158 mm and a rectangular section with inner dimensions 210×35 mm. The shell thickness is 4 mm and the total length is 220 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 158 mm
cylinder inlet length 40 mm
rectangle internal length 210 mm
rectangle internal height 35 mm
rectangle inlet length 15 mm
offset Z 0 mm
offset Y 0 mm
total length 220 mm
thickness 4 mm
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀148 mm to 197×159 mm, thickness 3 mm + offset (📦 #7938)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀148 mm to 197×159 mm, thickness 3 mm + offset
Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀148 mm and a rectangular section with inner dimensions 197×159 mm. The shell thickness is 3 mm and the overall length is 91.3 mm. The adapter has an offset of 2 mm along the Y axis and 2 mm along the Z axis. A chamfer is applied on the inside of the rectangular end to ease insertion.
Parameter Value Unit
cylinder outer diameter 148 mm
cylinder inlet length 35 mm
rectangle internal length 197 mm
rectangle internal height 159 mm
rectangle inlet length 30 mm
offset Z 2 mm
offset Y 2 mm
total length 91.3 mm
thickness 3 mm
chamfer chamfer on t...

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
chamfer chamfers on ...

Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 300×120 mm, thickness 3 mm (📦 #6960)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀125 mm to 300×120 mm, thickness 3 mm
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 300×120 mm. The shell thickness is 3 mm and the overall 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 125 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 file ⌀150 mm to 230×150 mm, thickness 3 mm (📦 #9717)

1 object(s) - format STL
Round-to-Rectangular Tube Adapter STL file ⌀150 mm to 230×150 mm, thickness 3 mm
Download this model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀150 mm and a rectangular section with inner dimensions 230×150 mm. The wall thickness is 3 mm and the total length is 150 mm.
Parameter Value Unit
cylinder outer diameter 150 mm
cylinder inlet length 40 mm
rectangle internal length 230 mm
rectangle internal height 150 mm
rectangle inlet length 20 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer