Sanding booth?

Resin dust and paint fumes are harmful, even to the user.  I take the Dremel and kit parts out to the laundry, where I can make a mess and raise a racket and no one will be bothered.  I do dry grinding over a garbage can set by the clothesline and wet grinding in the laundry sink.  The dust particles from sanding get everywhere.  When I was working on a kit molded in black, I could see just how far the sanding dust got, which was a lot more extensive than I thought possible.  For light duty work indoors, I have an old pot that I sand over.  For wet sanding, I just add water and a little dishwashing detergent into the pot - it really helps keep the dust from coating your model and hands.

Hand painting indoors can also pose a health risk.  I tried running the A/C in my room while brush painting, and the air became toxic quite rapidly!  My room is small and I use enamels, so acrylics might be safer, but my experience underscores the importance of proper room ventilation.

HTH

I would think that paint fumes would be more of concern to a newborn than dust but even that is minimal in this hobby.  If you can smell anything he should probably look into a spray booth or do like I do and just go outside.  I wouldn't worry about the dust.

Have him stop by and say howdy.  There's a lot of great, helpful folks around here!

Congrats by the way! : )

I do any heavy sanding in my spraybooth. When the filter starts looking messy (combination of paint and dust), I just throw it out and put in a new one (they're real cheap). Normal sanding hasn't been a problem for the 67 years that I've been building all kinds of models. My kids never had any problems with dust and my grandkids are always over watching me build and have never had a problem. 

Glad to hear that you are supportive of your husbands hobby. My wife says that it's kept me out of trouble for all of our years together. 

Jim 

I wouldn't worry so much about dust created from sanding plastic from a model kit since it doesn't generate a cloud of dust like wood does in a lumberyard per say.