Posted a pic of two cat/dog beds I made and a few people asked how I made them.
sewed the bottom of the sweatshirt shut. Used an old blanket (could use a pillow form) to stuff up to just about the arm holes. Sew a line from armhole to armhole. Sewed the sleeves together. Stuffed each sleeve and around the neck of the sweatshirt. Hand stitched the neck shut. In the front stitched the center down and some on the sides. This would be a personal preference just to make sure it stays together. Any questions please PM.