How to get paper in Pokémon Pokopia

You can make paper using Pokémon with the Recycle specialty in Pokopia, but you'll need to find wastepaper first.
Polygon

'Rebuild the Huge Building!' walkthrough and quest steps in Pokémon Pokopia

The important request in the Sparkling Skylands area in Pokémon Pokopia is "Rebuild the Huge Building!," which will have you supplying materials to Tinkmaster and friends to... well, rebuild the huge ...