I also like the 8 at a time method (here's a YouTube
https://www.youtube.com/watch?v=saBKMqyw-0E) and the brilliant woman behind Sew Preeti Quilts (
http://sewpreetiquilts.blogspot.ca/) has made it possible for me to finally manage a successful hourglass block. She also has a tutorial for Pinwheels that would work for HST if you used (2) four patches instead of a 4 patch and a plain square. Good luck!