Start by cutting a strip of white paper. The strip needs to be as wide as a paper roll. It can be done by rolling the paper roll on the paper and drawing a line along the way with pencil.
Also cut a black sheet of paper. Place the white one on top of it and just use it as a template. Cut out a triangle out of the black sheet of paper.
Apply glue on the white paper and wrap it around the paper roll. Let the glue to set. Now apply the glue on the black sheet of paper and Wrap it around paper roll and let the glue dry.
Color the butterfly pasta with red or any other color that you want your bowtie to be.
Then glue it in the white triangle with a glue dot. Finally, glue few buttons and you are done.