Accordion Die Cut Paper Flowers

I wanted to share a project from the book I was working on some years ago. Although the title was eventually pulled when the company shut its doors, I've been sharing some of the book projects on my blog from time to time. I realized that I hadn't yet shared this fun project. It's a set of accordion folded die cut paper flowers:

Here's a closer look at the project:

I love Sizzix dies and this one is from Stampin' Up! I've collected several accordion folded circle dies because I love the way they create dimension on a project. What die or punch shapes do you find yourself using on a regular basis?