A 3D-printable hexagonal mirror array that reflects sunlight and allows you to write dot pictures and messages is open source. This article, originally posted in Japanese on 20:30 Nov 12, 2021 ...

Light source array: A number of light sources arranged at equal intervals for reconstruction of 3D images. Viewing zone: The range in which 3D images can be viewed.

Array Labs is planning on scanning Earth in 3D, data that can be used for autonomous vehicle development, augmented reality and more.