[Discuss] DIY heating table, using aluminum PCB as heating element, what are the shortcomings?

What are the limitations of using an aluminum PCB as a heating element? Welcome to discuss in the comment area.

[@roopi67]

The wire winding pattern is called Hilbert Curve, it is a fractal. I've just subscribed to your channel and enjoying the technical reviews 👍

[@JiDianJiang]

Thanks for your sharing,
And I'm honored that you subscribed to my channel.
^_^
Happy to discuss other issues with you in the future.