Today’s video shows the technology of drawing on metal. How to draw. The drawing was made by electrochemical artistic etching. Etching on a stainless steel knife. The krone battery is used as a direct current source. This video shows the entire step-by-step process of making a pattern on a knife and is accompanied by engraving the metal with salt water and electricity. I hope you enjoyed the video don’t forget to subscribe for more DIY ideas and experiments. Inventor 101 #diy #engraving