Updated builds.

build/three.js

@@ -10427,10 +10427,8 @@ THREE.MeshFaceMaterial = function ( materials ) {
 };
 
 THREE.MeshFaceMaterial.prototype.clone = function () {
-	
-	var material = new THREE.MeshFaceMaterial();
-	material.materials = this.materials;
-	return material;
+
+	return new THREE.MeshFaceMaterial( this.materials.slice( 0 ) );
 
 };
 /**

build/three.min.js

@@ -220,7 +220,7 @@ THREE.MeshPhongMaterial.prototype.clone=function(){var a=new THREE.MeshPhongMate
 a.specularMap=this.specularMap;a.envMap=this.envMap;a.combine=this.combine;a.reflectivity=this.reflectivity;a.refractionRatio=this.refractionRatio;a.fog=this.fog;a.shading=this.shading;a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;a.wireframeLinecap=this.wireframeLinecap;a.wireframeLinejoin=this.wireframeLinejoin;a.vertexColors=this.vertexColors;a.skinning=this.skinning;a.morphTargets=this.morphTargets;a.morphNormals=this.morphNormals;return a};
 THREE.MeshDepthMaterial=function(a){THREE.Material.call(this);this.wireframe=!1;this.wireframeLinewidth=1;this.setValues(a)};THREE.MeshDepthMaterial.prototype=Object.create(THREE.Material.prototype);THREE.MeshDepthMaterial.prototype.clone=function(){var a=new THREE.LineBasicMaterial;THREE.Material.prototype.clone.call(this,a);a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;return a};
 THREE.MeshNormalMaterial=function(a){THREE.Material.call(this,a);this.shading=THREE.FlatShading;this.wireframe=!1;this.wireframeLinewidth=1;this.setValues(a)};THREE.MeshNormalMaterial.prototype=Object.create(THREE.Material.prototype);THREE.MeshNormalMaterial.prototype.clone=function(){var a=new THREE.MeshNormalMaterial;THREE.Material.prototype.clone.call(this,a);a.shading=this.shading;a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;return a};
-THREE.MeshFaceMaterial=function(a){this.materials=a instanceof Array?a:[]};THREE.MeshFaceMaterial.prototype.clone=function(){var a=new THREE.MeshFaceMaterial;a.materials=this.materials;return a};THREE.ParticleBasicMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.map=null;this.size=1;this.sizeAttenuation=!0;this.vertexColors=!1;this.fog=!0;this.setValues(a)};THREE.ParticleBasicMaterial.prototype=Object.create(THREE.Material.prototype);
+THREE.MeshFaceMaterial=function(a){this.materials=a instanceof Array?a:[]};THREE.MeshFaceMaterial.prototype.clone=function(){return new THREE.MeshFaceMaterial(this.materials.slice(0))};THREE.ParticleBasicMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.map=null;this.size=1;this.sizeAttenuation=!0;this.vertexColors=!1;this.fog=!0;this.setValues(a)};THREE.ParticleBasicMaterial.prototype=Object.create(THREE.Material.prototype);
 THREE.ParticleBasicMaterial.prototype.clone=function(){var a=new THREE.ParticleBasicMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.map=this.map;a.size=this.size;a.sizeAttenuation=this.sizeAttenuation;a.vertexColors=this.vertexColors;a.fog=this.fog;return a};THREE.ParticleCanvasMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.program=function(){};this.setValues(a)};THREE.ParticleCanvasMaterial.prototype=Object.create(THREE.Material.prototype);
 THREE.ParticleCanvasMaterial.prototype.clone=function(){var a=new THREE.ParticleCanvasMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.program=this.program;return a};THREE.ParticleDOMMaterial=function(a){this.element=a};THREE.ParticleDOMMaterial.prototype.clone=function(){return new THREE.ParticleDOMMaterial(this.element)};
 THREE.ShaderMaterial=function(a){THREE.Material.call(this);this.vertexShader=this.fragmentShader="void main() {}";this.uniforms={};this.defines={};this.attributes=null;this.shading=THREE.SmoothShading;this.wireframe=!1;this.wireframeLinewidth=1;this.lights=this.fog=!1;this.vertexColors=THREE.NoColors;this.morphNormals=this.morphTargets=this.skinning=!1;this.setValues(a)};THREE.ShaderMaterial.prototype=Object.create(THREE.Material.prototype);