Cut tree shapes from white vinyl using a craft knife and cutting mat, then stick these onto the black, spacing to create your desired image. (idealhome.co.uk)
Open books are arranged in descending size order to create the perfect tree shape. (idealhome.co.uk)
Source festive red yarn and trace a basic tree shape (the bigger, the better), securing it to a wall with pins and tape. (styleathome.com)