function PreviewRenderer()
{
	/**
	 * WebGL renderer used to generate the preview.
	 *
	 * @attribute renderer
	 * @type {WebGLRenderer}
	 */
	this.renderer = new WebGLRenderer({alpha: true});
	this.renderer.setSize(128, 128);
	
	/**
	 * DOM canvas where the result is rendered to.
	 *
	 * @attribute canvas
	 * @type {Component}
	 */
	this.canvas = this.renderer.domElement;
	
	/**
	 * Scene to compose the render
	 *
	 * @attribute scene
	 * @type {Scene}
	 */
	this.scene = new Scene();
}
The preview renderer is used to generate preview thumbnails to preview resources in the editor.

@class PreviewRenderer