cauldron fire effect

So this year, I decided to take the deep plunge into prop building. I had always wanted to do a static scene of the Macbeth witches for my yard - then during my research I came across the ScareFX witch project. I fell in love. I have attached some pictures and a link below to youtube video of...

Hi everybody, I am trying to build the best cauldron fire effect I can with a few strings of flashing orange lights. I'm trying to mask the actual lights and feature the reflected and cast light so it doesn't immediately look like a bunch of flashing string lights. I hope that made sense...