For the 2012 Blender Conference, I gave a presentation of my use of Blender as a design tool.
Here is the video of the conference, unfortunately with low resolution:
Here is the PDF of my slides for the conference, with better quality images it’s about 10 megas
The SVG version ca be opened in any modern browse. It’s heavier, about 20 megas, so you may prefer right click > save as:
And here are two videos of previous works I used for the presentation: