If you are referring to 2D "character cards" used in lifestyle/entertainment simulators (often associated with platforms like or adult-oriented modding communities):
For complex, structural papercraft models (where you cut, fold, and glue 3D shapes), the following is recommended: If you are referring to 2D "character cards"
This is the gold standard for high-quality figurines. It is thick enough to hold its shape for a standing figure but flexible enough for small details like Ryza's belt, flasks, or her signature round hat. structural papercraft models (where you cut