3D printing is a technology that builds objects layer by layer from digital models. Features include

3D printing is a technology that builds objects layer by layer from digital models. Features include:

1. Rapid prototyping: 3D printing can quickly produce physical models, shortening the product development cycle.

2. Personalized customization: Personalized design and manufacturing can be carried out according to user needs to meet the personalized needs of different users.

3. Sustainable production: 3D printing does not require molds and large amounts of raw materials, reducing waste and environmental pollution.

4. High-precision manufacturing: 3D printing technology can achieve high-precision manufacturing and is suitable for medical, aerospace and other fields.

In daily life, 3D printing is widely used, such as:

1. Toy manufacturing: Toys of various shapes can be manufactured through 3D printing, giving children more diverse choices.

2. Food production: 3D printing technology can be used to make cakes, chocolates and other foods to create more exquisite shapes.

3. Medical field: 3D printing technology can be used to manufacture medical devices such as prostheses and teeth to provide patients with better treatment options.

4. Construction industry: 3D printing can be used to build houses, bridges and other building structures to improve construction efficiency and quality.