Originally Posted by nantucketsue
I saw this technique, I think it was on TQS, where you lay two squares together, sew 1/4" around all four sides and then cut diagonally across twice = four half square triangles. OK so you have to work out how big to cut the squares for the required finished size, but that is all. Sew Simple and fast! I agree with feline fanatic that it is better to add 1" rather than 7/8", then square it up.
Remember to be aware that this method (and others) have you ending up with all edges bias. this can lead to problems when you start joining. starching might help this, but it is better to just use a method that keeps the edges
on the straight of grain.