This method is simple and quick, yielding 2 HSTs with very little waste.
You'll see it in many of our patterns at Busy Bee Quilts
Two fabric squares right-sides-together, sew 1/4" seam to either side of diagonal,
Cut corner-to-corner, press open & trim 2 identical HSTs!
This can be a really slick way to quickly make 4 HSTs with very little waste.
We've tried it out during some of our programs at Busy Bee Quilts with good success.
Basically: Two fabric squares right-sides-together, sew 1/4" seam around all four edges, cut corner-to-corner 2x, press open & trim. Voila! 4 identical HSTs!
If you use this method, be mindful that the HST edges will be cut along the bias - this can sometimes affect the assembly later on.