Homemade Sun Tracking , Magnifying Glass , CNC with Filter for Greyscale and 3D.

Hi, I live in East London, South Africa and have no-one to share my inventions with - for feedback...Let me know what you think world :wink:

Neat! I tried an unplugged version of this a few years ago, in which I drew on transparent plastic with a marker and passed it through a concentrated beam of sunlight. The plastic melted through only where the ink was there to absorb the light, otherwise it passed through.