Ever since he saw a Tesla Coil light up a bulb from a distance he ... all he had to do was 3D model the track for the copper to go in. Best part? He’s shared the files so you can make one ...

Tesla coils are awesome. But if you’ve ever built one, you know how tedious winding the secondary coil is. So [Krux] decided to build a machine to do it for him. He’s currently working on his ...