How much do you see in different shapes of donuts?

There are many shapes of dounuts in the world, such as:
1. Rings.Ring doughnuts are formed by one of two methods: by joining the ends of a long, skinny piece of dough into a ring, or by using a doughnut cutter, which simultaneously cuts the outside and inside shape, leaving a doughnut-shaped piece of dough and a doughnut hole (from the dough removed from the center). This smaller piece of dough can be cooked and served as a "doughnut hole" or added back to the batch to make more doughnuts. A disk-shaped doughnut can also be stretched and pinched into a torus until the center breaks to form a hole. Alternatively, a doughnut depositor can be used to place a circle of liquid dough (batter) directly into the fryer.
2. Topping.After frying, ring doughnuts are often topped. Raised doughnuts are generally covered with a glaze (icing). Cake doughnuts can also be glazed, or powdered with confectioner's sugar, or covered with cinnamon and granulated sugar. They are also often topped with cake frosting (top-side only) and sometimes sprinkled with coconut, chopped peanuts, or sprinkles (also called jimmies).
3. Holes. "Doughnut hole" and "Donut hole" redirect here. For the coverage gap in Medicare known informally as the donut hole, see Medicare Part D coverage gap.
Doughnut holes are small, bite-sized doughnuts that were traditionally made from the dough taken from the center of ring doughnuts. Before long, doughnut sellers saw the opportunity to market "holes" as a novelty and many chains offer their own variety, some with their own brand names such as "Munchkins" from Dunkin' Donuts and "Timbits" from Tim Hortons.
4. Filled.The filled doughnut is a flattened sphere injected with fruit preserves, cream, custard, or other sweet fillings, and often dipped into powdered sugar or topped off with frosting. Common varieties include the Boston cream, coconut, key lime, and jelly.
In the instury, The shape of Doughnuts decided by the mould, in the Commercial Donuts Product Line, the moulds can be desgined by the customers, This type of machine is designed specifically for deep-fried fermented donuts. any shape can be deep-fried donuts and pasta food.