Cut two even length pieces of wood.
Arrange the two pieces to create the top of a triangle. Line up a piece of wood to the bottom to mark where it should be cut for the bottom piece of the triangle.
Cut the third piece to size.
Use wood glue super glue to attach each of the pieces to each other. Use tape to secure until the glue dries.
String ornaments onto clear thread.
Attach stick-on hooks to the top of the wooden triangle. Hang ornaments from the hooks.