📄 threejs/Core/Geometries/IcosahedronGeometry

File: IcosahedronGeometry.md | Updated: 11/15/2025


title: IcosahedronGeometry category: Core layout: docs

IcosahedronGeometry

A geometry class for representing an icosahedron.

Code Example

const geometry = new THREE.IcosahedronGeometry();
const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );
const icosahedron = new THREE.Mesh( geometry, material );
scene.add( icosahedron );

Constructor

new IcosahedronGeometry( radius : number, detail : number )

Constructs a new icosahedron geometry.

radius | Radius of the icosahedron. Default is 1.
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detail | Setting this to a value greater than 0 adds vertices making it no longer a icosahedron. Default is 0.

Properties

.parameters : Object

Holds the constructor parameters that have been used to generate the geometry. Any modification after instantiation does not change the geometry.

Overrides: PolyhedronGeometry#parameters

Static Methods

.fromJSON( data : Object ) : IcosahedronGeometry

Factory method for creating an instance of this class from the given JSON object.

data | A JSON object representing the serialized geometry.
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Returns: A new instance.

Source

src/geometries/IcosahedronGeometry.js