CDs, DVDs, and old vinyl records are a great base for constructing mandalas on top of, because they’re already perfectly round, and so sturdy that you can display your finished, upcycled mandala anywhere you’d like.
You know that kind of sewing machine that I’m talking about. Maybe it’s got a ton of fancy stitch settings. Maybe you just press a button and boom, it hems your skirt. Maybe it does some cute embroidery while it’s at it.