Tinkercad is an easy-to-use free online 3D design software. This software is especially for the beginner to build the 3D model and then export the 3D model for 3D printing.
There are many pre-defined shape inside TinkerCad for users to create a 3D model.
In the TinkerCad interface, users can adjust, move and rotate a 3D model.
Combine different shapes to form new 3D model. Users can build a complicated 3D model by combining and adjusting different shapes.