shape_gen.py

import time

import torch
from PIL import Image

from hy3dgen.rembg import BackgroundRemover
from hy3dgen.shapegen import Hunyuan3DDiTFlowMatchingPipeline

image_path = 'assets/demo.png'
image = Image.open(image_path).convert("RGBA")
if image.mode == 'RGB':
    rembg = BackgroundRemover()
    image = rembg(image)

pipeline = Hunyuan3DDiTFlowMatchingPipeline.from_pretrained(
    'tencent/Hunyuan3D-2',
    subfolder='hunyuan3d-dit-v2-0',
    variant='fp16'
)

start_time = time.time()
mesh = pipeline(image=image,
                num_inference_steps=50,
                octree_resolution=380,
                num_chunks=20000,
                generator=torch.manual_seed(12345),
                output_type='trimesh'
                )[0]
print("--- %s seconds ---" % (time.time() - start_time))
mesh.export(f'demo.glb')