As some will know, I love finding house plans online and building them in Sims 3. However, the early planning stages can be difficult trying to figure out dimensions of rooms and then building it, only to find I have to change something to fit the sim world. Well today, I found online graph paper!
http://tommaitland.net/graphpaper/Now I can draw out the house plan in sim dimension squares. This will make the actual building phase so much cleaner! I thought I'd share for any others who would find it useful.