mrdoob

// Approach 1 (links)
// Once the renderer finds a *MeshFaceMaterial*, it'll process the face material array

var head_material = [ new MeshBitmapUVMappingMaterial( head_bitmap ) ];
var torso_material = [ new MeshBitmapUVMappingMaterial( torso_bitmap ) ] 

mesh.material = [ new MeshFaceMaterial(), new MeshColorStrokeMaterial( 0xff0000 ) ];

mesh.faces[ 0 ].material = head_material;
mesh.faces[ 1 ].material = head_material;