Upcycled Jeansjacket - I did this with an old painting. I didn't cut out the jacket though. It would definitely be easer, but the back of the embroidery isn't protected this way either. I would at least line the insert.
DIY T-shirt Felt Artwork. ◦a t-shirt % wool felt in a few pretty colors ◦small patterns of the shapes you want to cut out ◦a sharp scissor ◦pins ◦a sewing machine or needle and thread You can use wool felt or other materials.