drop ceiling headaches

[05caddyext]

anyone good at installing them? My brain doesn't do angles well. I am using 2x2 tiles, and im working in a hallway that doesn't have any straight lines. I can't figure out how to do it. Each side is 80" in length, and it is 37" wide at the ends. basically an angled rectangle. I can't visualize how to do the tiles. no matter where I start, I end up with a bunch of weird shapes, not full tiles like I want. In fact, I can't even figure out what the shapes would be. I have the outside edge pieces installed all the way around, thats as far as I can get. Help.

[PonyKiller87]

Get some string and some spring clamps from the hardware store. Run the string from one side to the other where you plan to put the main runners. Then you can see how it will look and adjust as needed. Once the string looks good start building it to follow the string.