You will notice that you have gone through a lot of work before you have got to the design ideas. The reason for this is you need to have all the relevant information on hand to make sure you will be designing the product you said you were going to design. We do take into account changes that occur due to development but is it really acceptable to produce a video cabinet when your research is based around a fishing box?
This does not mean that you shouldn't consider designing, but you will obtain higher marks if you design with your user needs in mind and any other relevant knowledge you obtained through research. Remember to always record all ideas (even the ones you consider not very good) and write notes on what you were thinking when you designed it.
All of your early designs need to include notes (annotation) explaining the good and bad points of your design. They should include ways of making the design, appropriate materials and methods of production. You may consider a variety of materials, or mix the materials. Some parts of your design could be made using the CAD CAM machine, others couldn't, explore all alternatives.
Developing your ideas: it is very rare that early ideas are the most suitable, get your user to evaluate the ideas and record the results. Produce models to help users understand your designs. Models also help you discover potential problems that may be encountered during manufacture. Imagine designing a product to be made through mass production, 100,000 products all wrong because of something you did not think of! Consider the cost implications of design faults.
When you have developed every aspect of your final design (and rejected other alternatives), redraw it using a suitable pictorial view (Click either Isometric , Perspective). Render the drawing and model it if necessary, produce cutting lists, and remember it should comply with the final specification (PDS). Then produce a 3rd Angle Orthographic Projection of your final design (see example).
Cutting Lists and Step by Step plans