3D Printing that matters for society

I recently saw a video from ISTE18 on 3D printing lithographs from photographs. So I wondered about other uses for 3D printed images and I discovered how 3D printing can be used to create books and maps for visually impaired people. See this video about 3D printing using technology to help society.

Lithophanes: 3D printing your photos by Instructables

Create with Lithophane a website that turns your photos into lithophanes.

Here is a good how-to video.

I also discovered this video on the 3D printed house and how it is completely recyclable.