The Flash Trebuchet
Freehand and Flash have great interoperabilty. Using Freehand to draw your components and Flash to animate them - model the flight of the object thrown by your Trebuchet. You should embed the animation in a webpage and post the URL as a comment against this entry.
Having completed the tutorial to create a camera, you will have used the main techniques for rapid protoyping with ProDesktop. Working with faces, sketches and extruding from the workplane will allow you to quickly build simple objects. To demonstrate you have grasped these key concepts you will be asked to design either a camera or a small mp3 player (like an iPod.) In real terms, it should be pocket sized and fit easily in the palm of a hand. Consider how the controls might be 

