Laser Gadgets seems to be a little known site and YouTube channel. This might be because you get a no nonsense, no razzle dazzle, presentation of the final product. Patrick Priebe, however, is one of the best builders I follow online. He makes functioning laser guns and they look incredible.
Late last year he uploaded another video. It’s typical in style; straight forward and simple. It shows an incredible collection of hand built lasers and guns. Well worth checking out.