There is a program you can download for $14.95 called Print and Sew by Quilt Pro Systems. You can print pages of half square triangles any size from 1 to 7 inches in 1/8 inch increments like the thangle paper. Has saved me tons of time and money. Here's the link:
http://www.quiltpro.com/page/Triangl...lf_mainpage%20