found a way to get image from 3d object

render_stl.py

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+from stl import mesh
+from mpl_toolkits import mplot3d
+from matplotlib import pyplot as plt
+
+# Load the STL file
+your_mesh = mesh.Mesh.from_file('sample_data.stl')
+
+# Create a new plot with a larger figure size
+fig = plt.figure(figsize=(10, 10))
+ax = fig.add_subplot(111, projection='3d')
+
+# Add the STL file to the plot
+ax.add_collection3d(mplot3d.art3d.Poly3DCollection(your_mesh.vectors))
+
+# Calculate the limits of the mesh
+max_dim = max(your_mesh.points.flatten())
+min_dim = min(your_mesh.points.flatten())
+
+# Set the limits of the plot
+ax.set_xlim([min_dim, max_dim])
+ax.set_ylim([min_dim, max_dim])
+ax.set_zlim([min_dim, max_dim])
+
+# Save the plot as an image
+plt.savefig('mesh.png')
+
+# Show the plot (optional)
+# plt.show()