@article{pigphysicallybasedmultimaterial,
  title = {PIG: Physically-based Multi-Material Interaction with 3D Gaussians},
  author = {Zeyu Xiao and Zhenyi Wu and Mingyang Sun and Qipeng Yan and Yufan Guo and Zhuoer Liang and Lihua Zhang},
  year = {2025},
  eprint = {2506.07657},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2506.07657v1},
}