Automate 3d render in blender to simulate final 3d print -- 2

We are looking for following workflow in blender which needs to be automated in blender 3d. Purpose of this project is to simulate how the final 3d print will look like before it's printed and automate the [login to view URL]:1. Open blender scene which has wooden desk and some reference object like a pencil (this is base for all renders)2. Import specified .stl object and place it in the scene3. Apply color to the object4. Apply material/bump map to it looks like printed from the 3d printer5. Render 4 PNG frames from different angles6. Export frames as PNGI would welcome some previews how final image would look like before awarding this project.