For making it even easier, Autodesk 123D Design has a tutorial program including in it.
Overall, it has a modern but straightforward looking interface that makes it easier for you to work with your model and create a perfect piece. Snapping and cruising option for readjusting the parts of the model are the two essential and prominent tools provided by this application. You can orbit around the model you are creating through this application to give the final touches to your model. The application has a library of already existing shapes, which can be used in the creation of new models, thus reducing the overall time required for the creation of the new model. You can make 2D and 3D models through it. One such application is Autodesk 123D Design. You need a powerful application to create 2D and 3D models, and handle the minute changes to produce beautiful results.