### 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