In the days that I taught design I would use graph paper. You could find templates online I am sure. It is one deminsional but still gives you a way to move furniture to get an idea. I still do that when I moved, and when I get new furniture or the "move the furniture" bug that my poor dh hides from. lol
have fun
__________________ Shinja mom to  Remy  lil Sis to   Bailey and Sammy  |