SIMPLE tech. Making a drawing on metal without expensive materials

It’s really easier than it seems. I make drawings on metal at home. The design on the knife is made using electrochemical metal etching and engraving. This is a simple technology accessible to everyone. SIMPLE tech. In the video I show the step-by-step process accompanied by pleasant music. I wish you pleasant viewing. To support and develop the channel: _ _ _ =as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B089QC2C8G&linkCode=as2&tag=kirillrunz-20&linkId=eb2b48a77b7703aec8d82e36a54cc88d =as_li_tl?ie=UTF8&camp=1789&creative=9