@w9cma the light source is a flashlight on the right. It's called an X-cube.
@sir Cool, thanks!
@flowman177 @w9cma I'm building a laser projector from scratch
@flowman177 @w9cma ah no I'll be buying them
@sir @flowman177 @w9cma True vector graphics?
@sir is the paper below it a letter that arrived with it?
@Wolf480pl no, those are my notes from a meeting
@sir <3
@sir i love notebooks, so many possibilities, such a versatile object
@sir Where is the light source and where can one obtain such an object?