DIY: Create plastic from milk

Here's how to create plastic using milk and vinegar. It can then be shaped and moulded into anything the user wants. While the article admits it's mainly for crafts and projects where the item won't see heavy use, it does present the question; if someone at home can create plastic from all natural materials why aren't we seeing more biodegradable safe plastics on the marketplace? Check out the article for instructions on making your own plastic!