1. Sphere: The sphere is a three-dimensional circular object with a circular appearance and a circle in any direction. Therefore, if one face of a three-dimensional figure is a circle, then the three-dimensional figure may be a sphere. A sphere can be a complete sphere or a partial sphere, such as basketball, football, etc.

2. Cylinder: A cylinder is a three-dimensional figure with a round edge and a top or bottom surface. If one face of a three-dimensional figure is a circle, then the three-dimensional figure may also be a cylinder. Cylinders can be vertical or inclined, such as buckets and pen containers.

3. Cone: A cone is a three-dimensional figure with a round edge and a vertex. If one face of a three-dimensional figure is a circle, then the three-dimensional figure may also be a cone. A cone usually has a vertex and a bottom surface, and the top or bottom surface is shown as a circle. Candles are also common in daily life, such as hats and ice cream cones.

Classification of three-dimensional graphics:

1. polyhedron: A polyhedron is a three-dimensional figure surrounded by two or more planar figures. The simplest polyhedron is a tetrahedron, which consists of four triangular faces. Other polyhedrons include cubes, octahedrons and dodecahedrons. Every face of a polyhedron is a planar polygon, and every vertex is the intersection of two or more faces.

2. Revolving body: Revolving body is a three-dimensional figure formed by a plane figure rotating around a straight line in the plane. The basic elements of a rotating body are the axis of rotation and the radius of rotation. Cylinders and cones are the most common rotating bodies, which can be obtained by rotating rectangles and circles. Other rotating bodies include spheres, torus, etc.

3. Spatial geometry: Spatial geometry is a three-dimensional figure that studies the basic spatial elements such as points, lines and surfaces, their positional relationships and measurements. Space geometry is a branch of mathematics, which mainly involves geometric concepts and propositions such as points, lines and surfaces in three-dimensional space. Space geometry is widely used in computer graphics, physics and engineering.