Try Shutterstock and Get 10 Free Images
Wire-frame of a ring torus, or also donut or doughnut. Geometrical surface of revolution generated by revolving a circle in 3D space one full revolution about an axis that is coplanar with the circle.
Two points of intersection of two circles
Wire-frame of a ring torus, also donut or doughnut. In geometry, a surface of revolution generated by revolving a circle in 3D space one full revolution about an axis that is coplanar with the circle.