Harvesting: The papyrus plant was harvested, and the inner pith was cut into thin strips.
Assembly: These strips were laid out in two perpendicular layers, pressed together, and dried to form sheets.
Finishing: The sheets were polished to create a smooth writing surface, often using a stone or shell. https://a4papersales.com/product/brown-kraft-paper-rolls-sheets-pure-wood-pulp/