Hedi Kyle Paper Folder with Diagonal Pockets

Such an excellent structure, designed by Hedi Kyle. What I hope to add to the conversation about this structure is that the starting paper can be of a variety of proportions, including A4 paper, letter size paper, tabloid paper, and even something like 21 x 33 inches, which makes a folder with a finished closed size of 8 1/2 x 10 1/2 inches. Full blog post at https://bookzoompa.wordpress.com/2026/05/09/heid-kyles-folder-with-diagonal-pockets/