three.js/examples/js/geometries/TextGeometry.js

( function () {

	/**
 * Text = 3D Text
 *
 * parameters = {
 *  font: <THREE.Font>, // font
 *
 *  size: <float>, // size of the text
 *  height: <float>, // thickness to extrude text
 *  curveSegments: <int>, // number of points on the curves
 *
 *  bevelEnabled: <bool>, // turn on bevel
 *  bevelThickness: <float>, // how deep into text bevel goes
 *  bevelSize: <float>, // how far from text outline (including bevelOffset) is bevel
 *  bevelOffset: <float> // how far from text outline does bevel start
 * }
 */
	class TextGeometry extends THREE.ExtrudeGeometry {

		constructor( text, parameters = {} ) {

			const font = parameters.font;
			if ( font === undefined ) {

				super(); // generate default extrude geometry

			} else {

				const shapes = font.generateShapes( text, parameters.size );

				// translate parameters to THREE.ExtrudeGeometry API

				parameters.depth = parameters.height !== undefined ? parameters.height : 50;

				// defaults

				if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;
				if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;
				if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;
				super( shapes, parameters );

			}

			this.type = 'TextGeometry';

		}

	}

	THREE.TextGeometry = TextGeometry;

} )();