Originally Posted by PaperPrincess
with all those pieces, you need to be really accurate. Accurate cutting, the infamous scant 1/4 inch seams. The other issue is that you wind up with the edges of the diamonds on the bias. You have to be very careful not to stretch them. Starching your fabrics before beginning would be a good idea. I'm sure other folks will chime in with addional advice.
I have made a lot of log cabins, after the 1st one, have that problem, I now press my center seams open.