Category: technical parts
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(model #3582)
This template generates toroidal seals (commonly known as O-rings in English). These seals are shaped like a "doughnut", or more precisely, like a torus—hence the name "toroidal seal".
O-rings are defined by two key dimensions: the inner diameter (ID) and the circular cross-section (or thickness), referred to as CS.
O-rings are used to ensure sealing in various mechanical and hydraulic systems, such as fittings, cylinders, or pumps.
This template was the very first to offer on-demand generation on iteration3d.
Keywords: O-ring, toroidal seal, round seal, annular seal, circular gasket, O-shaped gasket, elastic ring seal, compression ring, toroid gasket, standard O-ring
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If the model doesn’t exist, on-demand generation will be offered to you.
Additional information
To determine the outer diameter (OD), apply the formula OD = ID + 2×CS.
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2025-07-19 (last model before revision: #1212) :
parameters #1 and #2 : decimal places has been updated from "2" to "1"
Illustration of the parameters
Categories
The latest online-generated models
O-ring STL file ID 20 × CS 4 mm (📦 #3934)
1 object(s) - format STL
3D model of sealing ring with dimensions Internal diameter 20 mm / thickness 4 mm. External diameter (OD) resulting is therefore 28 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 20 | mm |
| cross section (CS) | 4 | mm |
O-ring STL 3D file ID 4 × CS 6 mm (📦 #3933)
1 object(s) - format STL
File of circular seal with dimensions Inner diameter (ID) 4 mm by section thickness 6 mm. Outer diameter (OD, for outer diameter) resulting is therefore 16 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 4 | mm |
| cross section (CS) | 6 | mm |
O'ring STL file ID 27 × CS 1.5 mm (📦 #3913)
1 object(s) - format STL
3D model of sealing ring with dimensions Internal diameter (ID) 27 mm × CS (cross section) 1.5 mm. Final diameter resulting is 30 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 27 | mm |
| cross section (CS) | 1.5 | mm |
O-ring STL 3D file ID 26 × CS 1.5 mm (📦 #3912)
1 object(s) - format STL
Model of circular seal with Internal diameter (ID) 26 mm × CS 1.5 mm. The outer diameter resulting is therefore 29 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 26 | mm |
| cross section (CS) | 1.5 | mm |
O-ring STL 3D file ID 25 × CS 1.5 mm (📦 #3910)
1 object(s) - format STL
STL file of sealing ring with dimensions ID (inner diameter) 25 mm / section thickness 1.5 mm. Outer diameter (OD) resulting is therefore 28 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 25 | mm |
| cross section (CS) | 1.5 | mm |
O-ring STL file ID 43 × CS 1.5 mm (📦 #3908)
1 object(s) - format STL
3D file in STL format of O-ring (torus-shaped seal) with ID (inner diameter) 43 mm by section thickness 1.5 mm. Outer diameter (OD) is 46 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 43 | mm |
| cross section (CS) | 1.5 | mm |
O'ring STL file ID 44 × CS 1.5 mm (📦 #3888)
1 object(s) - format STL
3D file in STL format of circular seal with dimensions ID 44 mm by thickness 1.5 mm. Outer diameter (OD, for outer diameter) is therefore 47 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 44 | mm |
| cross section (CS) | 1.5 | mm |
O-ring STL file ID 28 × CS 1.5 mm (📦 #3886)
1 object(s) - format STL
3D model in STL format of O-ring (torus-shaped seal) with Internal diameter 28 mm / CS (cross section) 1.5 mm. Outer diameter (OD, for outer diameter) resulting corresponds to 31 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 28 | mm |
| cross section (CS) | 1.5 | mm |
O-ring STL 3D file ID 158 × CS 2.5 mm (📦 #3885)
1 object(s) - format STL
3D model in STL format of O-ring with dimensions Internal diameter (ID) 158 mm × thickness 2.5 mm. Outer diameter (OD, for outer diameter) is therefore 163 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 158 | mm |
| cross section (CS) | 2.5 | mm |
O-ring STL file ID 29 × CS 1.5 mm (📦 #3881)
1 object(s) - format STL
File of rubber ring with Inner diameter 29 mm by thickness 1.5 mm. The outer diameter resulting corresponds to 32 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 29 | mm |
| cross section (CS) | 1.5 | mm |
O-ring STL file ID 160 × CS 2.5 mm (📦 #3880)
1 object(s) - format STL
Model of sealing ring with Inner diameter 160 mm by thickness 2.5 mm. Outer diameter (OD, for outer diameter) resulting corresponds to 165 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 160 | mm |
| cross section (CS) | 2.5 | mm |
O-ring STL file ID 60 × CS 5 mm (📦 #3848)
1 object(s) - format STL
3D model in STL format of sealing ring with dimensions ID 60 mm / CS (cross section) 5 mm. The outer diameter resulting is therefore 70 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 60 | mm |
| cross section (CS) | 5 | mm |
O-ring STL file ID 40 × CS 5 mm (📦 #3841)
1 object(s) - format STL
3D file in STL format of circular seal with dimensions Inner diameter (ID) 40 mm × CS (cross section) 5 mm. External diameter (OD) resulting is 50 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 40 | mm |
| cross section (CS) | 5 | mm |
O-ring STL file ID 17 × CS 3 mm (📦 #3838)
1 object(s) - format STL
3D file of O-ring (torus-shaped seal) with dimensions Inner diameter 17 mm by section thickness 3 mm. External diameter (OD) is 23 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 17 | mm |
| cross section (CS) | 3 | mm |
O-ring STL file ID 69 × CS 6.5 mm (📦 #3815)
1 object(s) - format STL
3D model in STL format of sealing ring with dimensions ID 69 mm × section thickness 6.5 mm. Final diameter resulting is 82 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 69 | mm |
| cross section (CS) | 6.5 | mm |
O'ring STL file ID 100 × CS 3 mm (📦 #3802)
1 object(s) - format STL
STL model of sealing ring with ID (inner diameter) 100 mm / section thickness 3 mm. Outer diameter (OD) resulting is therefore 106 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 100 | mm |
| cross section (CS) | 3 | mm |
O'ring STL 3D file ID 10 × CS 1.5 mm (📦 #3801)
1 object(s) - format STL
3D file in STL format of O-ring with ID (inner diameter) 10 mm by CS (cross section) 1.5 mm. The outer diameter corresponds to 13 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 10 | mm |
| cross section (CS) | 1.5 | mm |
O-ring STL 3D file ID 3.6 × CS 1.5 mm (📦 #3791)
1 object(s) - format STL
STL file of sealing ring with Internal diameter (ID) 3.6 mm by CS (cross section) 1.5 mm. Final diameter resulting corresponds to 6.6 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 3.6 | mm |
| cross section (CS) | 1.5 | mm |
O'ring STL 3D file ID 3.5 × CS 1.5 mm (📦 #3790)
1 object(s) - format STL
3D file of rubber ring with Internal diameter (ID) 3.5 mm by CS (cross section) 1.5 mm. External diameter (OD) corresponds to 6.5 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 3.5 | mm |
| cross section (CS) | 1.5 | mm |
O-ring STL 3D file ID 60 × CS 2 mm (📦 #3666)
1 object(s) - format STL
3D file of circular seal with ID 60 mm by CS 2 mm. Outer diameter (OD, for outer diameter) resulting is therefore 64 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 60 | mm |
| cross section (CS) | 2 | mm |
O-ring STL file ID 32.8 × CS 3 mm (📦 #3665)
1 object(s) - format STL (5.0/5) 1 vote(s)
3D model of rubber ring with Internal diameter (ID) 32.8 mm × CS 3 mm. The outer diameter resulting is 38.8 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 32.8 | mm |
| cross section (CS) | 3 | mm |
O'ring STL file ID 33.8 × CS 3 mm (📦 #3664)
1 object(s) - format STL
3D model of O-ring (torus-shaped seal) with dimensions ID (inner diameter) 33.8 mm / CS 3 mm. External diameter (OD) is 39.8 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 33.8 | mm |
| cross section (CS) | 3 | mm |
O'ring STL file ID 12 × CS 4 mm (📦 #3645)
1 object(s) - format STL
Model of sealing ring with dimensions Internal diameter (ID) 12 mm / CS 4 mm. Final diameter resulting corresponds to 20 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 12 | mm |
| cross section (CS) | 4 | mm |
O-ring STL file ID 12 × CS 1.9 mm (📦 #3638)
1 object(s) - format STL
3D file in STL format of O-ring (torus-shaped seal) with Internal diameter 12 mm / CS (cross section) 1.9 mm. External diameter (OD) resulting is 15.8 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 12 | mm |
| cross section (CS) | 1.9 | mm |
O-ring STL file ID 16 × CS 5 mm (📦 #3629)
1 object(s) - format STL
3D model in STL format of circular seal with dimensions Inner diameter (ID) 16 mm by section thickness 5 mm. Outer diameter (OD, for outer diameter) resulting is 26 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 16 | mm |
| cross section (CS) | 5 | mm |
O-ring STL file ID 10 × CS 4 mm (📦 #3611)
1 object(s) - format STL
3D model in STL format of rubber ring with Inner diameter 10 mm by CS (cross section) 4 mm. Final diameter resulting is therefore 18 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 10 | mm |
| cross section (CS) | 4 | mm |
O-ring STL file ID 11 × CS 4 mm (📦 #3610)
1 object(s) - format STL
STL file of O-ring with dimensions Internal diameter 11 mm by section thickness 4 mm. Outer diameter (OD) resulting is 19 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 11 | mm |
| cross section (CS) | 4 | mm |
O'ring STL file ID 66 × CS 4 mm (📦 #3609)
1 object(s) - format STL
STL model of sealing ring with ID (inner diameter) 66 mm × CS (cross section) 4 mm. The outer diameter corresponds to 74 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 66 | mm |
| cross section (CS) | 4 | mm |
O-ring STL file ID 62 × CS 4 mm (📦 #3586)
1 object(s) - format STL
Model of O-ring (torus-shaped seal) with dimensions ID 62 mm by thickness 4 mm. External diameter (OD) resulting is 70 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 62 | mm |
| cross section (CS) | 4 | mm |
O-ring STL file ID 62 × CS 2 mm (📦 #3582)
1 object(s) - format STL
STL model of rubber ring with dimensions Inner diameter 62 mm × section thickness 2 mm. Final diameter resulting corresponds to 66 mm.
| Parameter | Value | Unit |
|---|---|---|
| inner diameter (ID) | 62 | mm |
| cross section (CS) | 2 | mm |