Good patterns for making envelopes include the basic rectangular taped envelope, the square origami envelope and the pouch envelope. The wikiHow website offers excellent video tutorials showing how to create these patterns. Construction paper or colorful craft paper, patterned tape and stickers can all be used to add design features.
The Greetings Island website and AllCrafts.net both offer a wide range of patterns for making envelopes. The AllCrafts.net website provides a portal to more than 75 different envelope patterns in a variety of shapes and sizes from popular craft blogs. The Greetings Island website offers more standardized PDF templates in a wide range of printed designs.