Yes you can use them in a cuttle bug you just need to use A- B- C
i have them and their great could someone pm me the link please I have some ovals and circles but not any squares. I have embossed with them as well by using A-B-2pieces of thick card-funky foam-B . There is a lovely blog here http://nicholeheady.typepad.com/capture_the_moment/ she uses them all the time and if you have a good browse there is a compatablities chart for all the machines. And her stuff is just awesome.