Learn how to cast clear resin to create an LED lit clear sign suitable for outdoor display. This step by step how to video tutorial shows the process of creating this unique outdoor display. Silicone molds were made to cast the clear urethane resin into. A large scale food distributor enlisted the help of a local sign factory to create their sign. With the help of Crystal Clear resin, the finished piece is eye-catching and unique as well as being UV resistant.