diff --git a/examples/nesting-schema.js b/examples/nesting-schema.js
new file mode 100644
index 00000000..36bccf96
--- /dev/null
+++ b/examples/nesting-schema.js
@@ -0,0 +1,21 @@
+var ModelBuilder = require('../../jugglingdb').ModelBuilder;
+var modelBuilder = new ModelBuilder();
+
+// simplier way to describe model
+var User = modelBuilder.define('User', {
+    name: String,
+    bio: ModelBuilder.Text,
+    approved: Boolean,
+    joinedAt: Date,
+    age: Number,
+    address: {
+        street: String,
+        city: String,
+        state: String,
+        zipCode: String,
+        country: String
+    }
+});
+
+var user = new User({name: 'Joe', age: 20, address: {street: '123 Main St', 'city': 'San Jose', state: 'CA'}});
+console.log(user);
diff --git a/lib/model-builder.js b/lib/model-builder.js
index 1962d74f..18acd3fd 100644
--- a/lib/model-builder.js
+++ b/lib/model-builder.js
@@ -107,10 +107,13 @@ ModelBuilder.prototype.define = function defineClass(className, properties, sett
     properties = properties || {};
     settings = settings || {};
 
-    buildSchema(className, properties);
+    this.buildSchema(className, properties);
 
     // every class can receive hash of data as optional param
-    var ModelClass = function ModelConstructor(data, schema) {   
+    var ModelClass = function ModelConstructor(data, schema) {
+        if(!(this instanceof ModelConstructor)) {
+            return new ModelConstructor(data, schema);
+        }
         ModelBaseClass.apply(this, arguments);
         if(!this.schema) {
           hiddenProperty(this, 'schema', schema || this.constructor.schema);
@@ -413,13 +416,13 @@ function defineReadonlyProp(obj, key, value) {
  * @param type The type string, such as 'number', 'Number', 'boolean', or 'String'. It's case insensitive
  * @returns {Function} if the type is resolved
  */
-function getSchemaType(type) {
+ModelBuilder.prototype.getSchemaType = function(type) {
     if (!type) {
         return type;
     }
     if (Array.isArray(type) && type.length > 0) {
         // For array types, the first item should be the type string
-        var itemType = getSchemaType(type[0]);
+        var itemType = this.getSchemaType(type[0]);
         if (typeof itemType === 'function') {
             return [itemType];
         }
@@ -435,10 +438,16 @@ function getSchemaType(type) {
     } else if (type.constructor.name == 'Object') {
         // We also support the syntax {type: 'string', ...}
         if (type.type) {
-            return getSchemaType(type.type);
+            return this.getSchemaType(type.type);
         } else {
+            if(!this.anonymousTypesCount) {
+                this.anonymousTypesCount = 1;
+            }
+            return this.define('AnonymousType' + this.anonymousTypesCount, type, {idInjection: false});
+            /*
             console.error(type);
             throw new Error('Missing type property');
+            */
         }
     } else if('function' === typeof type ) {
         return type;
@@ -453,10 +462,10 @@ function getSchemaType(type) {
  * @param associations An array of associations between models
  * @returns {*}
  */
-function buildSchema(name, properties, associations) {
+ModelBuilder.prototype.buildSchema = function(name, properties, associations) {
     for (var p in properties) {
         // console.log(name + "." + p + ": " + properties[p]);
-        var type = getSchemaType(properties[p]);
+        var type = this.getSchemaType(properties[p]);
         if (typeof type === 'string') {
             // console.log('Association: ' + type);
             if (Array.isArray(associations)) {
@@ -512,7 +521,7 @@ ModelBuilder.prototype.buildModels = function (schemas) {
     var associations = [];
     for (var s in schemas) {
         var name = schemas[s].name;
-        var schema = buildSchema(name, schemas[s].properties, associations);
+        var schema = this.buildSchema(name, schemas[s].properties, associations);
         var model = this.define(name, schema, schemas[s].options);
         models[name] = model;
     }
diff --git a/test/adl.test.js b/test/adl.test.js
index 5a83edfd..1c1f4c4c 100644
--- a/test/adl.test.js
+++ b/test/adl.test.js
@@ -38,6 +38,49 @@ describe('ModelBuilder define model', function () {
         done(null, User);
     });
 
+
+    it('should be able to define nesting models', function (done) {
+        var modelBuilder = new ModelBuilder();
+
+        // simplier way to describe model
+        var User = modelBuilder.define('User', {
+            name: String,
+            bio: ModelBuilder.Text,
+            approved: Boolean,
+            joinedAt: Date,
+            age: Number,
+            address: {
+                street: String,
+                city: String,
+                state: String,
+                zipCode: String,
+                country: String
+            }
+        });
+
+        // define any custom method
+        User.prototype.getNameAndAge = function () {
+            return this.name + ', ' + this.age;
+        };
+
+        modelBuilder.models.should.be.a('object').and.have.property('User', User);
+        modelBuilder.definitions.should.be.a('object').and.have.property('User');
+
+        var user = new User({name: 'Joe', age: 20, address: {street: '123 Main St', 'city': 'San Jose', state: 'CA'}});
+        console.log(user);
+
+        User.modelName.should.equal('User');
+        user.should.be.a('object').and.have.property('name', 'Joe');
+        user.should.have.property('name', 'Joe');
+        user.should.have.property('age', 20);
+        user.should.not.have.property('bio');
+        user.should.have.property('address');
+        user.address.should.have.property('city', 'San Jose');
+        user.address.should.have.property('state', 'CA');
+        done(null, User);
+    });
+
+
 });