Using box cutter/utility knife blades and duct tape. Sturdy, fly well, and easy to make. DISCLAIMER: I am not liable for any damages or injuries sustained by the use of this educational video. By watching this video, you assume full responsibility for
![How To Make An Envelope Out Of Paper Without Glue or Tape | DIY Easy [Origami Envelope] At Home](https://cdn.mycrafts.com/i/1/9/88/how-to-make-an-envelope-out-of-m1vr-m.jpg)
