21,618 science 3D models available for download in this category range from medicine, biology, physics, chemistry fields and other real world objects related to science and technology: laboratory equipment, microscopic bodies and subatomic world. Look no further, cell, skull and skeleton 3D models can be found here! To buy or download a free 3D assets, browse the categories above. You can use rigged models for animation or low-poly ones for games and VR / AR projects. Both free and premium 3D models can be found in a number of file formats including FBX, OBJ, MAX, 3DS, C4D.