I have a spare bedroom that I use for a "Hobby Room". This includes a multitude of things I have tried and some that I have stayed with.
It is a large room with 4 large desks that I have topped with heavy one and a half inch kitchen worktops.
The 1st stands apart from the others (Which are in a U shape formation) and is home for my Computer and Computer equipment etc.
The 2nd stands under a large window and I use that for model building, sketching etc or anything that would benefit from a good natural light. This desk forms the crossbar of the U.
The 3rd forms the left of the U and containers photograhic equipment such as a lightbox, lights etc - useful for photographing small objects.
The 4th Forms the right of the U and now hold the scroll saw and scroll saw tools, blades etc.
Lots of shelving around the room provide adequate storage for needed items.
I use another smaller spare bedroom for spraying, painting, varnishing etc. Light sanding is also done here.
I also use a wooden shed for things like heavy sanding, storage etc.
A few years ago I used a small corner of the living room but once the children flew the nest I expanded a little ....