Sublime Stitching makes some nice instructions for a variety of embroidery stitches including a separate set of instructions specifically for left-handed stitchers.

Now, one of my brood is a lefty and I certainly would not mind making lefty instructions for my stuff if knew what exactly it entailed. I printed out the dexter and sinister diagrams and examined them side by side. Is it just a question of mirroring your diagrams and fixing the labels? ‘Cos that’s easy… (via)