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I built my own airbrush booth the other day Using 1/8" plywood over a 1" pint frame:
It is exhausted via a flat fan out through the dryer hose (2.50 at rona) and out the window. The board in the window is cut so is rests in the window tracks. In front of the fan is a furnace filter that is interted along tracks in either side of the booth. the tracks are sticking up on the top.
Right! You need something to suck the paint and fumes out. My homemade one is quite similar to yours, even to the window fitting. I use a bathroom fan to exhaust the fumes. I have a small furnace filter in front of the fan to stop some of the bigger particles. I painted the inside of mine white to see better, and protect it from paint. I've installed an under the counter fluorescent light just inside the top of the booth.
I 'm not sure where the fan came from, I sort of Inherited it from my father who bought this other guy's booth, also made of wood, but the booth was too big so he salvaged the fan and light from it. I don't know where the light went but I found the fan going through some old boxes. The fan measues about 5" X 5" X 1" so it's nice and compact and surprisingly quiet. Any light that I need comes from the swing lamp that is over my main workbench right behind the booth.
The reason I built the window fitting quite frankly is bacause I know the wife won't let me cut any new holes in the house!
I also have a plastic kitchen turntable for my booth, but don't actually use it that much. When painting a piece of rolling stock, using the turntable does not allow me to paint up the sides of the model, only straight on. I prefer to use a specialty painting clamp that expands into the model shell and holds in in position, and I can turn it in all directions to ensure paint is evenly sprayed all over the model. I do use the turntable at times when painting a bunch of detail parts that I have fastened down with some double sided tape or a loop of masking tape.
It's basically a 2X4 woth holes drilled 1/2" apart. Bent wire holders can be inserted into the holes as near or far as you need to hold the project. Since the base is a good sized chunk of wood it doesn't tip over easily s I can leave the project on it to dry.
