Trace each of your frames/shapes onto paper, then put them up with painters tape. Of course I changed my mind a dozen times and re-arranged and re-re-arranged, but I was sure glad it was *before* I started hammering
If theses walls could talk...wait...they can! When guests visit, I wanted to have a fun way for them to leave a little message behind. So I painted the sheetrock walls with black chalkboard paint.