text: /**
   * @author timothypratley / https://github.com/timothypratley
   */
  
  THREE.TetrahedronGeometry = function ( radius, detail ) {
  
  	var vertices = [
  		 1,  1,  1,   - 1, - 1,  1,   - 1,  1, - 1,    1, - 1, - 1
  	];
  
  	var indices = [
  		 2,  1,  0,    0,  3,  2,    1,  3,  0,    2,  3,  1
  	];
  
  	THREE.PolyhedronGeometry.call( this, vertices, indices, radius, detail );
  
  	this.type = 'TetrahedronGeometry';
  
  	this.parameters = {
  		radius: radius,
  		detail: detail
  	};
  
  };
  
  THREE.TetrahedronGeometry.prototype = Object.create( THREE.Geometry.prototype );
  