save as npz

app.py

@@ -119,10 +119,10 @@ def generate_3D(input, model_name='base1B', guidance_scale=3.0, grid_size=128):
     set_state('Converting to mesh...')
 
     uniqid = uuid.uuid4()
-    file_path = f'/tmp/mesh-{uniqid}.ply'
+    file_path = f'/tmp/mesh-{uniqid}.npz'
 
     print(file_path)
-    save_ply(pc, file_path)
+    pc.save(file_path)
 
     set_state('')
 
@@ -150,11 +150,6 @@ def ply_to_glb(ply_file, glb_file):
 
     return glb_file
 
-def save_ply(pc, file_name):
-    # Produce a mesh (with vertex colors)
-    with open(file_name, 'wb') as f:
-        pc.write_ply(f)
-
 
 def create_gif(pc):
     fig = plt.figure(facecolor='black', figsize=(4, 4))