Next week's video (Patreon)

Here's the preview for next week's video for Patrons!  It's something petty simple but quite interesting looking, guesses?

I just wanted to add that as well as these shorter projects I've produced recently I'm still working on the Really Useful Robot, and there should be a video on that in the next 2-3 weeks. I've managed to sort out quite a few things on that project which will also go onto other 'clever' robot projects in the future.