Diy Cork Christmas Tree . On the third layer, add three corks, then a set of two, and finally one cork piece making the tree shape. Different variations with various ornaments. How to Make a Wine Cork Christmas Tree Ornament HGTV from www.hgtv.com Ornaments that made easily and give you the joy of creation. Handmade christmas trees made of wine corks. Wreath is an essential item when decorating for christmas.