Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀32 mm to 46×71 mm, thickness 4 mm 📦#8706
Generation date: 2026-05-01
3D model download
Free- round-to-rectangular-adapter-d_model8706-nb0_dd{id}.stl : 1.6 Mo
STL
Mesh quality :
0.0005
0.05
(Internal and private use, non-commercial – no distribution – no derivatives)
Safe download
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 | 32 mm (≃1 1/4 in) |
| #2 | cylinder inlet length | 30 mm (≃1 3/16 in) |
| #3 | rectangle internal length | 46 mm (≃1 13/16 in) |
| #4 | rectangle internal height | 71 mm (≃2.80 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 | 90 mm (≃3.54 in) |
| #9 | thickness | 4 mm (≃0.16 in) |
| #10 | chamfer | no chamfer |
| Metadata | Value |
|---|---|
| Cylinder internal diameter | 24 mm (≃15/16 in) |
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 ⌀40 mm to 43×43 mm, thickness 4 mm (📦 #8538)
1 object(s) - format STL
3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀40 mm and a rectangular section with internal dimensions 43×43 mm. The shell thickness is 4 mm and the total length is 100 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 40 | mm |
| cylinder inlet length | 40 | mm |
| rectangle internal length | 43 | mm |
| rectangle internal height | 43 | mm |
| rectangle inlet length | 40 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 100 | mm |
| thickness | 4 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀34 mm to 39.7×29.2 mm, thickness 3 mm (📦 #10226)
1 object(s) - format STL
File in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀34 mm and a rectangular section with inner dimensions 39.7×29.2 mm. The wall thickness is 3 mm and the overall length is 60 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 34 | mm |
| cylinder inlet length | 25 | mm |
| rectangle internal length | 39.7 | mm |
| rectangle internal height | 29.2 | mm |
| rectangle inlet length | 15 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 60 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL 3D file ⌀50 mm to 35×25 mm, thickness 3 mm (📦 #2245)
1 object(s) - format STL
Download this 3D file in STL format of a round-to-rectangular adapter with an outer diameter of ⌀50 mm and a rectangular section with inner dimensions 35×25 mm. The wall thickness is 3 mm and the total length is 100 mm.
| 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 |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 100 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀79 mm to 121×56 mm, thickness 4 mm (📦 #7533)
1 object(s) - format STL
3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀79 mm and a rectangular section with internal dimensions 121×56 mm. The shell thickness is 4 mm and the total length is 90 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 79 | mm |
| cylinder inlet length | 35 | mm |
| rectangle internal length | 121 | mm |
| rectangle internal height | 56 | mm |
| rectangle inlet length | 35 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 90 | mm |
| thickness | 4 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL 3D file ⌀22 mm to 30×40 mm, thickness 3 mm (📦 #2914)
1 object(s) - format STL
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀22 mm and a rectangular section with inner dimensions 30×40 mm. The shell thickness is 3 mm and the total length is 60 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 22 | mm |
| cylinder inlet length | 20 | mm |
| rectangle internal length | 30 | mm |
| rectangle internal height | 40 | mm |
| rectangle inlet length | 10 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 60 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀48.5 mm to 80×80 mm, thickness 3 mm (📦 #6761)
1 object(s) - format STL
Download this 3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀48.5 mm and a rectangular section with inner dimensions 80×80 mm. The wall thickness is 3 mm and the overall length is 90 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 48.5 | mm |
| cylinder inlet length | 25 | mm |
| rectangle internal length | 80 | mm |
| rectangle internal height | 80 | mm |
| rectangle inlet length | 40 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 90 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL 3D file ⌀33.5 mm to 25×34 mm, thickness 3 mm (📦 #2476)
1 object(s) - format STL
File in STL format of a round-to-rectangular adapter with an outer diameter of ⌀33.5 mm and a rectangular section with inner dimensions 25×34 mm. The shell thickness is 3 mm and the total length is 84 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 33.5 | mm |
| cylinder inlet length | 25 | mm |
| rectangle internal length | 25 | mm |
| rectangle internal height | 34 | mm |
| rectangle inlet length | 39 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 84 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀65 mm to 56×70 mm, thickness 3 mm (📦 #8712)
1 object(s) - format STL
3D model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀65 mm and a rectangular section with inner dimensions 56×70 mm. The shell thickness is 3 mm and the total length is 75 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 65 | mm |
| cylinder inlet length | 20 | mm |
| rectangle internal length | 56 | mm |
| rectangle internal height | 70 | mm |
| rectangle inlet length | 35 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 75 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀20 mm to 50×30 mm, thickness 3 mm (📦 #1717)
1 object(s) - format STL
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀20 mm and a rectangular section with inner dimensions 50×30 mm. The shell thickness is 3 mm and the overall length is 100 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 20 | mm |
| cylinder inlet length | 30 | mm |
| rectangle internal length | 50 | mm |
| rectangle internal height | 30 | mm |
| rectangle inlet length | 40 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 100 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀74 mm to 128×30 mm, thickness 4 mm (📦 #3082)
1 object(s) - format STL
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 3D file ⌀79 mm to 121×56 mm, thickness 4 mm + offset (📦 #7534)
1 object(s) - format STL
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀79 mm and a rectangular section with internal dimensions 121×56 mm. The shell thickness is 4 mm and the total length is 90 mm. The adapter has an offset of 10 mm along the Z axis.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 79 | mm |
| cylinder inlet length | 35 | mm |
| rectangle internal length | 121 | mm |
| rectangle internal height | 56 | mm |
| rectangle inlet length | 35 | mm |
| offset Z | 10 | mm |
| offset Y | 0 | mm |
| total length | 90 | mm |
| thickness | 4 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀94 mm to 77×70 mm, thickness 4 mm (📦 #10035)
1 object(s) - format STL
Download this 3D file in STL format of a round-to-rectangular adapter with an external diameter of ⌀94 mm and a rectangular section with inner dimensions 77×70 mm. The shell thickness is 4 mm and the overall length is 50 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 94 | mm |
| cylinder inlet length | 18 | mm |
| rectangle internal length | 77 | mm |
| rectangle internal height | 70 | mm |
| rectangle inlet length | 12 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 50 | mm |
| thickness | 4 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀78 mm to 128×30 mm, thickness 4 mm (📦 #2437)
1 object(s) - format STL
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 |
| 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 ⌀32 mm to 35×20 mm, thickness 3 mm + offset (📦 #1618)
1 object(s) - format STL
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀32 mm and a rectangular section with inner dimensions 35×20 mm. The shell thickness is 3 mm and the overall length is 60 mm. The adapter has an offset of 2 mm along the Z axis.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 32 | mm |
| cylinder inlet length | 15 | mm |
| rectangle internal length | 35 | mm |
| rectangle internal height | 20 | mm |
| rectangle inlet length | 20 | mm |
| offset Z | 2 | mm |
| offset Y | 0 | mm |
| total length | 60 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀32 mm to 35×20 mm, thickness 3 mm + offset (📦 #1619)
1 object(s) - format STL
Download this model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀32 mm and a rectangular section with inner dimensions 35×20 mm. The wall thickness is 3 mm and the total length is 60 mm. The adapter has an offset of 5 mm along the Z axis.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 32 | mm |
| cylinder inlet length | 15 | mm |
| rectangle internal length | 35 | mm |
| rectangle internal height | 20 | mm |
| rectangle inlet length | 20 | mm |
| offset Z | 5 | mm |
| offset Y | 0 | mm |
| total length | 60 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀76 mm to 92×92 mm, thickness 3 mm (📦 #6516)
1 object(s) - format STL
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 |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 90 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀60 mm to 53×35 mm, thickness 5 mm (📦 #6769)
1 object(s) - format STL
Download this 3D file in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀60 mm and a rectangular section with internal dimensions 53×35 mm. The wall thickness is 5 mm and the overall length is 150 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 60 | mm |
| cylinder inlet length | 25 | mm |
| rectangle internal length | 53 | mm |
| rectangle internal height | 35 | mm |
| rectangle inlet length | 25 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 150 | mm |
| thickness | 5 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 102×102 mm, thickness 3 mm (📦 #1759)
1 object(s) - format STL
3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀75 mm and a rectangular section with inner dimensions 102×102 mm. The wall thickness is 3 mm and the total length is 68 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 75 | mm |
| cylinder inlet length | 30 | mm |
| rectangle internal length | 102 | mm |
| rectangle internal height | 102 | mm |
| rectangle inlet length | 18 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 68 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 105×105 mm, thickness 3 mm (📦 #1748)
1 object(s) - format STL
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 105×105 mm. The shell thickness is 3 mm and the overall length is 80 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 75 | mm |
| cylinder inlet length | 30 | mm |
| rectangle internal length | 105 | mm |
| rectangle internal height | 105 | mm |
| rectangle inlet length | 19 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 80 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀20 mm to 10×5 mm, thickness 3 mm (📦 #1486)
1 object(s) - format STL
File in STL format of a round-to-rectangular adapter with an external diameter of ⌀20 mm and a rectangular section with inner dimensions 10×5 mm. The shell thickness is 3 mm and the overall length is 60 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 20 | mm |
| cylinder inlet length | 30 | mm |
| rectangle internal length | 10 | mm |
| rectangle internal height | 5 | mm |
| rectangle inlet length | 10 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 60 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀75 mm to 105×105 mm, thickness 3 mm (📦 #1746)
1 object(s) - format STL
3D model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀75 mm and a rectangular section with internal dimensions 105×105 mm. The shell thickness is 3 mm and the overall length is 80 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 75 | mm |
| cylinder inlet length | 30 | mm |
| rectangle internal length | 105 | mm |
| rectangle internal height | 105 | mm |
| rectangle inlet length | 30 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 80 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Model in STL format of a round-to-rectangular tube adapter with an outer diameter of ⌀40 mm and a rectangular section with inner dimensions 100×100 mm. The shell thickness is 3 mm and the total length is 100 mm. The adapter has an offset of 1 mm along the Y axis.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 40 | mm |
| cylinder inlet length | 10 | mm |
| rectangle internal length | 100 | mm |
| rectangle internal height | 100 | mm |
| rectangle inlet length | 9 | mm |
| offset Z | 0 | mm |
| offset Y | 1 | mm |
| total length | 100 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀60 mm to 120×120 mm, thickness 3 mm (📦 #6451)
1 object(s) - format STL
Download this 3D model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀60 mm and a rectangular section with inner dimensions 120×120 mm. The shell thickness is 3 mm and the total length is 80 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 60 | 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 | 80 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL 3D file ⌀26 mm to 35×20 mm, thickness 3 mm + offset (📦 #1617)
1 object(s) - format STL
Model in STL format of a round-to-rectangular adapter with an outer diameter of ⌀26 mm and a rectangular section with internal dimensions 35×20 mm. The wall thickness is 3 mm and the overall length is 60 mm. The adapter has an offset of 12.5 mm along the Z axis.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 26 | mm |
| cylinder inlet length | 15 | mm |
| rectangle internal length | 35 | mm |
| rectangle internal height | 20 | mm |
| rectangle inlet length | 20 | mm |
| offset Z | 12.5 | mm |
| offset Y | 0 | mm |
| total length | 60 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀90 mm to 60×60 mm, thickness 3 mm (📦 #1563)
1 object(s) - format STL
3D file in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀90 mm and a rectangular section with inner dimensions 60×60 mm. The wall thickness is 3 mm and the overall length is 60 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 90 | mm |
| cylinder inlet length | 20 | mm |
| rectangle internal length | 60 | mm |
| rectangle internal height | 60 | mm |
| rectangle inlet length | 20 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 60 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL 3D file ⌀20 mm to 21×16 mm, thickness 3 mm (📦 #3337)
1 object(s) - format STL
Model in STL format of a round-to-rectangular tube adapter with an external diameter of ⌀20 mm and a rectangular section with inner dimensions 21×16 mm. The wall thickness is 3 mm and the total length is 50 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 20 | mm |
| cylinder inlet length | 15 | mm |
| rectangle internal length | 21 | mm |
| rectangle internal height | 16 | mm |
| rectangle inlet length | 10 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 50 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |
Round-to-Rectangular Tube Adapter STL file ⌀80 mm to 60×30 mm, thickness 3 mm (📦 #1474)
1 object(s) - format STL
Download this file in STL format of a round-to-rectangular adapter with an external diameter of ⌀80 mm and a rectangular section with internal dimensions 60×30 mm. The wall thickness is 3 mm and the overall length is 90 mm.
| Parameter | Value | Unit |
|---|---|---|
| cylinder outer diameter | 80 | mm |
| cylinder inlet length | 30 | mm |
| rectangle internal length | 60 | mm |
| rectangle internal height | 30 | mm |
| rectangle inlet length | 40 | mm |
| offset Z | 0 | mm |
| offset Y | 0 | mm |
| total length | 90 | mm |
| thickness | 3 | mm |
| chamfer | no chamfer |