Do you have a picture you can post so we can see what you are starting with?
Here's a few ideas to get you started. Lots more on Pinterest.
I'd like to help but I need to know what you're starting with. Would you please provide a photo?
Here is a video on it: https://www.youtube.com/watch?v=LawmQwxq20g
I'd probably just use hot glue to apply the buttons, and then and led bulb so the shade doesn't get too hot.