If you've ever considered where to find real life examples to be used in your geometry lessons you have to look no further than the companies who develop Mechanical CAD or Computer Added Design software. These websites are filled with several video and image examples of how geometry is used in design to build devices that are used in everyday life. Simply by going to google and typing in Mechanical CAD provides links to limitless examples.
Here are a few;
Other opportunities to involve these images into your lessons is to underline how important language is involved in communicating the information presented. Some of the images show dimensions and relationships between parts., units of measure and scale.
With so many various images you can differentiate what is shown by providing more and less complex images.