app.py

import gradio as gr
import trimesh
import base64
import io

def modify_texture():
    # Load the GLB file
    mesh = trimesh.load("train.glb")

    # Load the default texture image
    with open("defect.jpg", "rb") as f:
        default_texture_data = f.read()

    # Set the texture to the mesh
    mesh.visual.material.texture.image = default_texture_data

    # Export the modified mesh to GLB format
    modified_mesh_data = mesh.export(file_type="glb")

    # Convert the modified mesh data to BytesIO object
    output_file = io.BytesIO(modified_mesh_data)

    return output_file

gr.Interface(
    fn=modify_texture,
    inputs=[],
    outputs=gr.outputs.File(label="Download Modified GLB File"),
    title="GLB Texture Modifier"
).launch()