More to explore:
more half-square triangle inspiration
Sewing Half-Square Triangles
half square triangles made easy
Diary of a Quilter - a quilt blog: Half-square-triangle short-cuts and easy square-up
Half-rectangle tutorial- I love everything about this
Well isn't that clever - a quick way to get 8 half triangle squares
SuperGirl ( HST )
HST technique. Begin with 2 squares of fabric and end with 4 squares of half square triangles. Plus an extra step to make many unique blocks.
How-to make 8 HSTs (Half-Square Triangles) at one time. KatiesQuiltsandCr...
Half square triangle chevron
a²(w): HRTs (half rectangle triangles) tutorial