Who said that PowerPoint shapes always have to fit inside the canvas?
Like images, it can also look very nice to let PowerPoint shapes float off the page. Just position your object half off the canvas, PowerPoint will eliminate the content that's not on it when in presentation mode.
The concept below was made for a company that has a technology platform that can be applied in an almost unlimited amount of applications.
Yes, the chart was inspired by a field of sun flowers in southern France. Here is how to get all these circles lined up nicely.