Animals – I’m going to add many various aminals here (cats, dogs, homepets, loions, snakes and so on)
Body – here you will find parts of body. Maybe some templates. Some useful topology.
Buildings – there are some houses and buildings in this category.
Cars – lot of cars, wheels, and vehicles.
Characters – let me introduce cartoon characters. Some of them are rigged and animated.
Engineering – all kinds of technologies, manufacturings, industrial.
Environment – when you are going to model landscape you will need trees, mountains, rocks, clouds…
Exterior – something like street lights, carts, gates, benches, fences, singns and many other things
Food – maybe no need to explain what is in this category
Interior – all kinds of furniture and household things.
Landscape – I’m going to create landscape installations here
Office – there are too many office things in our world
Plants – trees, flowers, grass, and other flora
Science – rocket scientists are always welcome
Space – all space presidents are here. Ok, just some planets, and space ships I think
Sports – sports and healthy lifestyle
Things – ok, maybe it is not a great name for category, but I hope you will find many various interesting models here.
Toys – maybe you are going to create animation or a cartoon for kids. Then let me introduce 3d models for these purposes.