It a micowave transformer... it's really dangerous so do your research please.... you said the wood out a mix of baking soda just one coat with a brush and water on the wood... hook your clips up to the wood and stand back cause of you touch the wood you will die... nice your clips around so you get everywhere.. I really can't tell what goes it to making the actual whole thingy father in law made it but it's all over Google... and this is cedar planks on a board.... it's my favorite to burn... but if you do end up trying this please be safe and do research especially if you are not familiar with electric....
FRACTAL LICHTENBERG FIGURE WOOD BURNING WITH ELECTRICITY. Using high voltage electricity to burn Lichtenberg figures, sometimes called fractal patterns, in wood is an unusual and interesting hobby that's easy to do and amazes everyone who sees it
I could not get mine to stay still either i took a picture and printed it out then traced the out line😀 my two year old is wild... I got him while he was sleep lol