I need to know how to make a spiral rectangle that goes on forever with the minimum amount of script.

Can someone please post a script? I have absolutely no idea what to do

repeat blahblahblah times
turn 1 degree
change size by -1
stamp

http://scratch.mit.edu/projects/12023938/

Here is an example, rather than turning 1, I turn 3.6 repeat 100. You can also use turn 36 repeat 10