Custom Round-to-Rectangular Tube Adapter STL file ⌀73 mm to 60×30 mm, thickness 2 mm 📦#10813

STL Download STL 1
Create a new model expert
from scratch search for a model
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀73 mm and a rectangular section with internal dimensions 60×30 mm. The wall thickness is 2 mm and the overall length is 200 mm.
Generation date: 2026-08-07
3D Model Round-to-Rectangular Tube Adapter STL file ⌀73 mm to 60×30 mm, thickness 2 mm

3D model download

Free
  • round-to-rectangular-adapter-d_model10813-nb0_dd{id}.stl : 870.2 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 73 mm (≃2 7/8 in)
#2 cylinder inlet length 30 mm (≃1 3/16 in)
#3 rectangle internal length 60 mm (≃2 3/8 in)
#4 rectangle internal height 30 mm (≃1 3/16 in)
#5 rectangle inlet length 100 mm (≃3 15/16 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 2 mm (≃0.08 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 69 mm (≃2.72 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 

3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀75 mm and a rectangular section with internal dimensions 84×80 mm. The wall thickness is 2 mm and the total length is 145 mm.
Parameter Value Unit
cylinder outer diameter 75 mm
cylinder inlet length 25 mm
rectangle internal length 84 mm
rectangle internal height 80 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 145 mm
thickness 2 mm
chamfer no chamfer
Model in STL format of a round-to-rectangular adapter with an external diameter of ⌀84 mm and a rectangular section with internal dimensions 85×85 mm. The shell thickness is 2 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 84 mm
cylinder inlet length 30 mm
rectangle internal length 85 mm
rectangle internal height 85 mm
rectangle inlet length 85 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀25 mm and a rectangular section with internal dimensions 125×25 mm. The wall thickness is 2 mm and the total length is 200 mm.
Parameter Value Unit
cylinder outer diameter 25 mm
cylinder inlet length 50 mm
rectangle internal length 125 mm
rectangle internal height 25 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer no chamfer
Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀90 mm and a rectangular section with internal dimensions 100×50 mm. The shell thickness is 2 mm and the overall length is 120 mm.
Parameter Value Unit
cylinder outer diameter 90 mm
cylinder inlet length 20 mm
rectangle internal length 100 mm
rectangle internal height 50 mm
rectangle inlet length 80 mm
offset Z 0 mm
offset Y 0 mm
total length 120 mm
thickness 2 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀66 mm and a rectangular section with internal dimensions 70×25 mm. The shell thickness is 3 mm and the total length is 221.4 mm. The adapter has an offset of 10.7 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 66 mm
cylinder inlet length 50 mm
rectangle internal length 70 mm
rectangle internal height 25 mm
rectangle inlet length 100 mm
offset Z 10.7 mm
offset Y 0 mm
total length 221.4 mm
thickness 3 mm
chamfer no chamfer
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀70 mm and a rectangular section with internal dimensions 70×90 mm. The shell thickness is 2 mm and the total length is 160 mm. The adapter has an offset of 5 mm along the Y axis and 5 mm along the Z axis. A chamfer is applied on the outside of the cylindrical end.
Parameter Value Unit
cylinder outer diameter 70 mm
cylinder inlet length 50 mm
rectangle internal length 70 mm
rectangle internal height 90 mm
rectangle inlet length 90 mm
offset Z 5 mm
offset Y 5 mm
total length 160 mm
thickness 2 mm
chamfer chamfer on t...
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀124 mm and a rectangular section with internal dimensions 110×55 mm. The shell thickness is 2 mm and the overall length is 200 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 124 mm
cylinder inlet length 50 mm
rectangle internal length 110 mm
rectangle internal height 55 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer chamfer on t...
Download this 3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀35.8 mm and a rectangular section with inner dimensions 45×5 mm. The shell thickness is 2 mm and the total length is 300 mm. The adapter has an offset of 1 mm along the Y axis and 1 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 35.8 mm
cylinder inlet length 45 mm
rectangle internal length 45 mm
rectangle internal height 5 mm
rectangle inlet length 100 mm
offset Z 1 mm
offset Y 1 mm
total length 300 mm
thickness 2 mm
chamfer no chamfer
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
rectangle inlet length 80 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀27 mm and a rectangular section with internal dimensions 33×30 mm. The wall thickness is 2 mm and the overall length is 115 mm.
Parameter Value Unit
cylinder outer diameter 27 mm
cylinder inlet length 20 mm
rectangle internal length 33 mm
rectangle internal height 30 mm
rectangle inlet length 75 mm
offset Z 0 mm
offset Y 0 mm
total length 115 mm
thickness 2 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀106 mm and a rectangular section with inner dimensions 94.6×73 mm. The shell thickness is 2 mm and the total length is 200 mm. The adapter has an offset of 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 106 mm
cylinder inlet length 50 mm
rectangle internal length 94.6 mm
rectangle internal height 73 mm
rectangle inlet length 100 mm
offset Z 25 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer no chamfer
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀76 mm and a rectangular section with internal dimensions 145×80 mm. The wall thickness is 2 mm and the total length is 190 mm.
Parameter Value Unit
cylinder outer diameter 76 mm
cylinder inlet length 50 mm
rectangle internal length 145 mm
rectangle internal height 80 mm
rectangle inlet length 70 mm
offset Z 0 mm
offset Y 0 mm
total length 190 mm
thickness 2 mm
chamfer no chamfer
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀126 mm and a rectangular section with inner dimensions 30×63.5 mm. The wall thickness is 3 mm and the total length is 150 mm.
Parameter Value Unit
cylinder outer diameter 126 mm
cylinder inlet length 30 mm
rectangle internal length 30 mm
rectangle internal height 63.5 mm
rectangle inlet length 80 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer
Download this 3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀126.5 mm and a rectangular section with inner dimensions 100×100 mm. The wall thickness is 3 mm and the total length is 200 mm.
Parameter Value Unit
cylinder outer diameter 126.5 mm
cylinder inlet length 40 mm
rectangle internal length 100 mm
rectangle internal height 100 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 3 mm
chamfer no chamfer
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
chamfer chamfer on t...
3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀76 mm and a rectangular section with internal dimensions 160×25 mm. The shell thickness is 3 mm and the total length is 221.4 mm. The adapter has an offset of 10.7 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 76 mm
cylinder inlet length 50 mm
rectangle internal length 160 mm
rectangle internal height 25 mm
rectangle inlet length 100 mm
offset Z 10.7 mm
offset Y 0 mm
total length 221.4 mm
thickness 3 mm
chamfer no chamfer
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀70 mm and a rectangular section with inner dimensions 100×30 mm. The wall thickness is 3 mm and the overall length is 155 mm. A chamfer is applied on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 70 mm
cylinder inlet length 25 mm
rectangle internal length 100 mm
rectangle internal height 30 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 155 mm
thickness 3 mm
chamfer chamfer on t...
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀50 mm and a rectangular section with inner dimensions 60×5 mm. The shell thickness is 3 mm and the overall length is 180 mm. A chamfer is present on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 50 mm
cylinder inlet length 60 mm
rectangle internal length 60 mm
rectangle internal height 5 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 180 mm
thickness 3 mm
chamfer chamfer on t...
3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀100 mm and a rectangular section with inner dimensions 150×80 mm. The shell thickness is 2 mm and the overall length is 150 mm. A chamfer is applied 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 80 mm
rectangle inlet length 80 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer chamfer on t...
Download this model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀120 mm and a rectangular section with internal dimensions 120×120 mm. The shell thickness is 2 mm and the overall length is 200 mm. A chamfer is applied on the outside of the cylindrical end to ease insertion.
Parameter Value Unit
cylinder outer diameter 120 mm
cylinder inlet length 50 mm
rectangle internal length 120 mm
rectangle internal height 120 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 200 mm
thickness 2 mm
chamfer chamfer on t...
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀70 mm and a rectangular section with inner dimensions 100×30 mm. The shell thickness is 3 mm and the total length is 150 mm. A chamfer is applied on the inside of the rectangular end.
Parameter Value Unit
cylinder outer diameter 70 mm
cylinder inlet length 15 mm
rectangle internal length 100 mm
rectangle internal height 30 mm
rectangle inlet length 100 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 3 mm
chamfer chamfer on t...
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
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀95 mm and a rectangular section with inner dimensions 145×65 mm. The shell thickness is 2 mm and the overall length is 160 mm.
Parameter Value Unit
cylinder outer diameter 95 mm
cylinder inlet length 10 mm
rectangle internal length 145 mm
rectangle internal height 65 mm
rectangle inlet length 60 mm
offset Z 0 mm
offset Y 0 mm
total length 160 mm
thickness 2 mm
chamfer no chamfer
Download this model in STL format of a round-to-rectangular adapter with an external diameter of ⌀21 mm and a rectangular section with internal dimensions 23×23 mm. The wall thickness is 3 mm and the total length is 136 mm.
Parameter Value Unit
cylinder outer diameter 21 mm
cylinder inlet length 5 mm
rectangle internal length 23 mm
rectangle internal height 23 mm
rectangle inlet length 98 mm
offset Z 0 mm
offset Y 0 mm
total length 136 mm
thickness 3 mm
chamfer no chamfer
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀106 mm and a rectangular section with internal dimensions 92.6×71 mm. The shell thickness is 2 mm and the overall length is 170 mm. The adapter has an offset of 25 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 106 mm
cylinder inlet length 50 mm
rectangle internal length 92.6 mm
rectangle internal height 71 mm
rectangle inlet length 70 mm
offset Z 25 mm
offset Y 0 mm
total length 170 mm
thickness 2 mm
chamfer no chamfer
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 30×63.5 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 20.0 mm along the Z axis.
Parameter Value Unit
cylinder outer diameter 126 mm
cylinder inlet length 30 mm
rectangle internal length 30 mm
rectangle internal height 63.5 mm
rectangle inlet length 80 mm
offset Z 20.0 mm
offset Y 3 mm
total length 150 mm
thickness 3 mm
chamfer no chamfer
Download this file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀20 mm and a rectangular section with inner dimensions 37×16 mm. The shell thickness is 2 mm and the total length is 110 mm.
Parameter Value Unit
cylinder outer diameter 20 mm
cylinder inlet length 30 mm
rectangle internal length 37 mm
rectangle internal height 16 mm
rectangle inlet length 60 mm
offset Z 0 mm
offset Y 0 mm
total length 110 mm
thickness 2 mm
chamfer no chamfer
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
chamfer no chamfer
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀80 mm and a rectangular section with internal dimensions 100.5×73.5 mm. The wall thickness is 2 mm and the overall length is 150 mm.
Parameter Value Unit
cylinder outer diameter 80 mm
cylinder inlet length 50 mm
rectangle internal length 100.5 mm
rectangle internal height 73.5 mm
rectangle inlet length 50 mm
offset Z 0 mm
offset Y 0 mm
total length 150 mm
thickness 2 mm
chamfer no chamfer