Here we go again...Demon style.
You need a good fan and draft set up. I made a filter door made of strapping and filter material screwed on my entrance door. Also opened garage door a foot and devised filters for top. My garage stayed clean. Only had to cover 1 bench in front of the fan in back side window. Painted both my cars like that. When painting small parts and jamming I only needed the filter door and kept garage door closed.
You need a good fan and draft set up. I made a filter door made of strapping and filter material screwed on my entrance door. Also opened garage door a foot and devised filters for top. My garage stayed clean. Only had to cover 1 bench in front of the fan in back side window. Painted both my cars like that. When painting small parts and jamming I only needed the filter door and kept garage door closed.