### Hardware

- Extrusion machine with adjustable speed motor [video guide](https://www.youtube.com/watch?v=BTiQqPFE9vs)
- Custom nozzle (1 mm spaced plates, cooling bars for material guidance)
- Metal mangle for plastic straightening

### Tools

- Hot air gun (plastic heating/activation)
- 10 mm square wood chisel (hole punching)
- Stapler (screen attachment)

### Materials

- HDPE plastic (recovered ocean plastic, meltable)
- Overhead projector/lamination machine plastic sheets ~~[design specs](https://www.plasticatbay.org/2020/03/29/plasticbay-faceshield-design)~~
- Elastic bands or rope (head attachment)
- Staples (for securing screens)

### Software

- None required