Choose where you want to cut your disco ball, and remove the row of mirrors from that line so that when you cut, you are cutting through Styrofoam. Once the mirror tiles are removed, take your X-Acto ...

1. Tall first: Stick your tallest branches or birch sticks in first. These give your planter height. 2. Fill: Add your medium greens next, angling them out a bit to make the arrangement nice and full.