How to make an envelope out of Tetra Pak cartons. Sewing method. Holds CDs and they’re non scratch in the post. Benigna Iwasaki, a German designer based in Tokyo.
Another great envelope. This one uses A4 paper and has a place to tuck the flap in, so it is reusable. Video by Julia DIY – Easy origami envelope tutorial
Clear instructions, a template and lots of suggestions from Cintia from My Poppet Makes.