Originally Posted by athenagwis
I do that a lot too as selvage to selvage can be cumbersome. I will usually just add a one inch buffer as I always find when strip piecing like this, my ends never quite line up perfectly, and have the extra material helps me square up the edges when I am done.
Good luck!! remember quilting has no rules, do what works for you.
Cheers!
rachel
I was going to suggest the buffer too. It's pretty hard to cut infinitisimally exactly, and so you might come up short at the end without a little extra.