Window blocks using colored plastic (sometimes one can find file folders or envelopes made with this plastic - or color the plastic from food packaging)
How to make 3D Faux Cathedral Window Quilt Blocks -- I did this forever ago, maybe with my daughter when she was young. Easy and fancier than it is hard!
Riley Blake Designs -- Cutting Corners: Cathedral Window Pincushion
Easy attic window block!
little flowers and beads between Cathedral window blocks. Wow!
Cathedral Windows using only charm squares (from Quilting in the Rain)
Quilt Block Pattern - Dove in the Window
great step by step instructions for cathedral window block
Attic window on quilterscache.com. Already sketching this out, picking fabrics.....
cathedral window tutorial. Love the additional folds