try shap-e

try_shap_e.py

# pip install -e .
# + pip install blobfile pyyaml ipywidgets

import torch

from shap_e.diffusion.sample import sample_latents
from shap_e.diffusion.gaussian_diffusion import diffusion_from_config
from shap_e.models.download import load_model, load_config
from shap_e.util.notebooks import create_pan_cameras, decode_latent_images, gif_widget

device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')

xm = load_model('transmitter', device=device)
model = load_model('text300M', device=device)
diffusion = diffusion_from_config(load_config('diffusion'))
batch_size = 4
guidance_scale = 15.0
prompt = "udon"

latents = sample_latents(
    batch_size=batch_size,
    model=model,
    diffusion=diffusion,
    guidance_scale=guidance_scale,
    model_kwargs=dict(texts=[prompt] * batch_size),
    progress=True,
    clip_denoised=True,
    use_fp16=True,
    use_karras=True,
    karras_steps=64,
    sigma_min=1e-3,
    sigma_max=160,
    s_churn=0,
)

render_mode = 'nerf' # you can change this to 'stf'
size = 64 # this is the size of the renders; higher values take longer to render.

cameras = create_pan_cameras(size, device)
for i, latent in enumerate(latents):
    images = decode_latent_images(xm, latent, cameras, rendering_mode=render_mode)
    for i, image in enumerate(images):
         image.save(f"shap-e-sample{i}.jpg", quality=95)