**In the name of the Father, and of the Son, and of the Holy Spirit. Amen.**

Today, I would like to talk to you about a new technology that is rapidly changing the world: 3D printing. 3D printing is a process of creating three-dimensional objects from a digital file. It is a rapidly developing technology with many potential applications, including in the fields of medicine, manufacturing, and education.

As Catholics, we are called to be stewards of the earth and to use technology in a way that is responsible and beneficial to others. 3D printing can be a powerful tool for good, but it is important to use it in a way that is consistent with our Catholic values.

One way that 3D printing can be used for good is in the field of medicine. 3D printers can be used to create custom medical devices, such as prosthetics and implants. This can be a life-changing technology for people who need these devices. For example, 3D printers can be used to create prosthetic limbs that are specifically designed for the individual's needs. This can help to improve the quality of life for people who have lost limbs.

3D printing can also be used to create educational materials. For example, 3D printers can be used to create models of complex objects, such as the human heart or the solar system. This can help students to learn about these objects in a way that is more engaging and interactive.

Of course, there are also some potential risks associated with 3D printing. For example, 3D printers can be used to create weapons and other dangerous objects. It is important to use 3D printing in a responsible way and to be aware of the potential risks.

As Catholics, we can use 3D printing to help others and to make the world a better place. We can use it to create medical devices that improve the lives of people who are sick or injured. We can use it to create educational materials that help students to learn about the world around them. And we can use it to create art and objects that bring beauty into the world.

Let us pray that we will use 3D printing in a way that is consistent with our Catholic values and that we will use it to make the world a better place.

**Amen.**
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