I just thought of something. I was thinking about how to keep all the dust off my helmet when I eventually will paint it because all I have is a dusty apartment garage, I thought of making a cube-shaped frame and then surrounding it with plastic. But what about air flow? then I thought:
What about buying 5 cheap furnace Air Filters and making cube out of them and placing it over the bucket?
Allow air flow, and keep the smallest particles out. Anyone else thought of this?