Welcome to the Quilting Board!
This is so frustrating. Maybe a visual will help. Here are 2 assembled blocks. Now we sew them together. Would this not be 4 layers of fabric?
Peckish aka Peggi
but no batting in the seam area. it's cut the "finished" square size to fit inside the seams.
Thanks everyone for all the helpful notes - I am just about to start my first rag quilt!
i used a zig zag stitch for my X!