diff --git a/lib/loadObj.js b/lib/loadObj.js
index 148ff31..eb8b464 100644
--- a/lib/loadObj.js
+++ b/lib/loadObj.js
@@ -44,11 +44,13 @@ function Primitive() {
 var vertexPattern = /v( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/;                                                      // v float float float
 var normalPattern = /vn( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/;                                                     // vn float float float
 var uvPattern = /vt( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/;                                                                               // vt float float
-var facePattern1 = /f( +-?\d+)\/?( +-?\d+)\/?( +-?\d+)\/?( +-?\d+)?\/?/;                                                                        // f vertex vertex vertex ...
-var facePattern2 = /f( +(-?\d+)\/(-?\d+)\/?)( +(-?\d+)\/(-?\d+)\/?)( +(-?\d+)\/(-?\d+)\/?)( +(-?\d+)\/(-?\d+)\/?)?/;                            // f vertex/uv vertex/uv vertex/uv ...
-var facePattern3 = /f( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))?/;    // f vertex/uv/normal vertex/uv/normal vertex/uv/normal ...
-var facePattern4 = /f( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))?/;                                // f vertex//normal vertex//normal vertex//normal ...
+var facePattern1 = /f(\s+-?\d+\/?\/?){3,}/;                       // f vertex vertex vertex ...
+var facePattern2 = /f(\s+-?\d+\/-?\d+){3,}/;                      // f vertex/uv vertex/uv vertex/uv ...
+var facePattern3 = /f(\s+-?\d+\/-?\d+\/-?\d+){3,}/;               // f vertex/uv/normal vertex/uv/normal vertex/uv/normal ...
+var facePattern4 = /f(\s+-?\d+\/\/-?\d+){3,}/;                    // f vertex//normal vertex//normal vertex//normal ...
 
+var faceSpacePattern = /f?\s+/;
+var faceSpaceOrSlashPattern = /(f?\s+)|(\/+\s*)/g;
 var scratchCartesian = new Cartesian3();
 
 /**
@@ -195,7 +197,33 @@ function loadObj(objPath, options) {
         return index;
     }
 
-    function addFace(v1, p1, u1, n1, v2, p2, u2, n2, v3, p3, u3, n3, v4, p4, u4, n4) {
+    function addFace(vertices, positions, uvs, normals) {
+
+        var u1, u2, u3, u4, n1, n2, n3, n4;
+
+        var v1 = vertices[0];
+        var v2 = vertices[1];
+        var v3 = vertices[2];
+        var v4 = vertices[3];
+        var p1 = positions[0];
+        var p2 = positions[1];
+        var p3 = positions[2];
+        var p4 = positions[3];
+
+        if (uvs) {
+            u1 = uvs[0];
+            u2 = uvs[1];
+            u3 = uvs[2];
+            u4 = uvs[3];
+        }
+
+        if (normals) {
+            n1 = normals[0];
+            n2 = normals[1];
+            n3 = normals[2];
+            n4 = normals[3];
+        }
+
         var index1 = addVertex(v1, p1, u1, n1);
         var index2 = addVertex(v2, p2, u2, n2);
         var index3 = addVertex(v3, p3, u3, n3);
@@ -211,6 +239,7 @@ function loadObj(objPath, options) {
             primitive.indices.push(index3);
             primitive.indices.push(index4);
         }
+
     }
 
     function parseLine(line) {
@@ -256,34 +285,47 @@ function loadObj(objPath, options) {
         } else if ((result = uvPattern.exec(line)) !== null) {
             uvs.push(parseFloat(result[1]));
             uvs.push(1.0 - parseFloat(result[2])); // Flip y so 0.0 is the bottom of the image
-        } else if ((result = facePattern1.exec(line)) !== null) {
-            addFace(
-                result[1], result[1], undefined, undefined,
-                result[2], result[2], undefined, undefined,
-                result[3], result[3], undefined, undefined,
-                result[4], result[4], undefined, undefined
-            );
-        } else if ((result = facePattern2.exec(line)) !== null) {
-            addFace(
-                result[1], result[2], result[3], undefined,
-                result[4], result[5], result[6], undefined,
-                result[7], result[8], result[9], undefined,
-                result[10], result[11], result[12], undefined
-            );
-        } else if ((result = facePattern3.exec(line)) !== null) {
-            addFace(
-                result[1], result[2], result[3], result[4],
-                result[5], result[6], result[7], result[8],
-                result[9], result[10], result[11], result[12],
-                result[13], result[14], result[15], result[16]
-            );
-        } else if ((result = facePattern4.exec(line)) !== null) {
-            addFace(
-                result[1], result[2], undefined, result[3],
-                result[4], result[5], undefined, result[6],
-                result[7], result[8], undefined, result[9],
-                result[10], result[11], undefined, result[12]
-            );
+        } else if (facePattern1.test(line)) { // format "f v v v ..."
+            var faceVertices = line.replace(faceSpaceOrSlashPattern, ' ').substring(1).split(' '); // get vertices
+            addFace(faceVertices, faceVertices, undefined, undefined);
+        } else if (facePattern2.test(line)) { // format "f v/uv v/uv v/uv ..."
+            var faceVertices = line.replace(faceSpacePattern, ' ').substring(1).split(' '); // get vertex data (attributes '/' separated)
+            var faceAttributes = line.replace(faceSpaceOrSlashPattern, ' ').substring(1).split(' '); // get vertex attributes
+
+            var facePositions = [];
+            var faceUvs = [];
+            for (var i=0; i <= faceAttributes.length - 2; i += 2)
+            {
+                facePositions.push(faceAttributes[i]);
+                faceUvs.push(faceAttributes[i+1]);
+            }
+            addFace(faceVertices, facePositions, faceUvs, undefined);
+        } else if (facePattern3.test(line)) { // format "v/uv/n v/uv/n v/uv/n ..."
+            var faceVertices = line.replace(faceSpacePattern, ' ').substring(1).split(' '); // get vertex data (attributes '/' separated)
+            var faceAttributes = line.replace(faceSpaceOrSlashPattern, ' ').substring(1).split(' '); // get vertex attributes
+
+            var facePositions = [];
+            var faceUvs = [];
+            var faceNormals = [];
+            for (var i=0; i <= faceAttributes.length - 3; i += 3)
+            {
+                facePositions.push(faceAttributes[i]);
+                faceUvs.push(faceAttributes[i+1]);
+                faceNormals.push(faceAttributes[i+2]);
+            }
+            addFace(faceVertices, facePositions, faceUvs, faceNormals);
+        } else if (facePattern4.test(line)) { // format "v//n v//n v//n ..."
+            var faceVertices = line.replace(faceSpacePattern, ' ').substring(1).split(' '); // get vertex data (attributes '/' separated)
+            var faceAttributes = line.replace(faceSpaceOrSlashPattern, ' ').substring(1).split(' '); // get vertex attributes
+
+            var facePositions = [];
+            var faceNormals = [];
+            for (var i=0; i <= faceAttributes.length - 2; i += 2)
+            {
+                facePositions.push(faceAttributes[i]);
+                faceNormals.push(faceAttributes[i+1]);
+            }
+            addFace(faceVertices, facePositions, undefined, faceNormals);
         }
     }