I design products for 3D printing, and get them made using 3D printing services such as Shapeways. I started out designing toys, vases, and then prototypes for customers with product ideas. I designed some Celtic Knot jewelry and it was popular and it evolved into a line of Celtic pendants, rings and earrings. I am currently trying to grow the jewelry line and I am looking for other ways to continue to apply 3D printing to product design.