If you want to have the spark/light effects visible, you could use the Blender 2.80 Addon to render your scene.
The addon has tools for adding lights and spark emitters to your welding tools.
If you want to have the spark/light effects visible, you could use the Blender 2.80 Addon to render your scene.
The addon has tools for adding lights and spark emitters to your welding tools.