Learn how to create a unique origami Christmas tree from a single sheet of paper in this 16-minute video tutorial. Follow step-by-step instructions to craft a clean-looking flat origami pine tree, featuring advanced techniques like open sink folds. Begin with simple steps and progress to intermediate-level folding, resulting in a standing tree with a well-defined shape. Use a 15cm x 15cm origami paper and explore various difficulty levels, from basic to more complex designs. Discover the art of paper folding while creating a festive decoration perfect for the holiday season.