If you are looking for a guide on "how this worked" or "how to replicate it," it is vital to understand the current legal landscape.
The request to "prepare paper" for art modeling and "cherish model work" can be interpreted in two ways: physical (crafting 3D structures from paper) or the academic/professional preparation of papers and materials related to figure modeling. Interpretation 1: Physical Paper Modeling & 3D Art art modeling cherish model work