Letter fold 1
Letters and Envelopes | Tomoko Fuse |  Easy Origami that Colors Life by Tomoko Fuse
| 28 | Rectangle - A size | |
Letter fold 2
Letters and Envelopes | Tomoko Fuse | Easy Origami that Colors Life by Tomoko Fuse
| 29 | Rectangle - A size | |
Letter fold 3
Letters and Envelopes | Tomoko Fuse | Easy Origami that Colors Life by Tomoko Fuse
| 30 | Rectangle - A size | |
Letter fold 4
Letters and Envelopes | Tomoko Fuse | Easy Origami that Colors Life by Tomoko Fuse
| 31 | Rectangle - A size | |
Letter fold 5 - Standard letter
Letters and Envelopes | Heinz Strobl | Easy Origami that Colors Life by Tomoko Fuse
| 32 | Rectangle - A size | 
Folded by Michel Grand |
Letter fold 6 - Letter 96
Letters and Envelopes | Heinz Strobl | Easy Origami that Colors Life by Tomoko Fuse
| 33 | Rectangle - A size | 
Folded by Michel Grand |
Letter fold 7 - Letter 95
Letters and Envelopes | Heinz Strobl | Easy Origami that Colors Life by Tomoko Fuse
| 34 | Rectangle - A size | 
Folded by Michel Grand |
Letter with folded corner
Letters and Envelopes | Tomoko Fuse |  Origami Wrapping by Tomoko Fuse
| 72 | Rectangle - A size
With cuts | |
Letterfolds
Letters and Envelopes | Traditional | Origami Wrapping by Tomoko Fuse
| 64 | Rectangle - A size | 
Folded by Wilson Yeung |
Twist-folded envelopes
Letters and Envelopes | Tomoko Fuse | Origami Wrapping by Tomoko Fuse
| 83 | Square | |
