I didn't realize that the “ready to use” 3D character would be interpreted differently in various projects. I tried some different ways of working and found that maybe something that works for 3-D printing won't work for animation, or maybe a detailed character is still too heavy to use for a game engine. For games I'd want to find ones with reasonable numbers of polygons, good topology, efficient textures, and a good deforming skeleton. Requirements are similar for animation, except...