MineDetails About Shipping Mixed Media: Polymer Clay, Acrylic, Porcelain Dish, Resin, Metal Chain 9. 25 x 5 x 1. 75 in. 2016 John Walker has been working as a professional artist for over thirty years. After graduating from The American Academy of Art he began a career in illustration, creating a wide array of artwork for clients nationwide, including McDonalds, Random House and National Geographic. Acrylics became his media of choice during this time and