"I'm afraid not; it really is just "chop it up and use the pieces" using whatever tool suits you for the chopping."

"Follow-up: Now that I've started doing it, making all the copies didn't significantly increase the final file size, and the Trim feature ..."

"Oh, my goodness! Not only did you answer my question, you did it with corgis! Woo hoo! Yes, the missing puzzle piece was the option on th..."