https://huggingface.co/spaces/Upsampler/trellis-2/resolve/main/trellis2/modules/sparse/conv/__init__.py
hf download hf://spaces/Upsampler/trellis-2/trellis2/modules/sparse/conv/__init__.py
curl -L -o __init__.py https://huggingface.co/spaces/Upsampler/trellis-2/resolve/main/trellis2/modules/sparse/conv/__init__.py
