Adding laser cutting tips as we go along. Acrylic – cast versus extruded: “Burn a piece, extruded burns silently and will drip molten balls, cast burns with a crackly/smokey flame and wont drip.” – Rodne Gold Source —- flickr photo in header by IntelFreePress https://flickr.com/photos/intelfreepress/10089175635 shared under a Creative Commons (BY-SA) license