Silicone mold used to make large and small vents, ports and windows. This mold is desiged and is recommended to use with other 4Bot-Industries Sci-Fi designs for added details. Designs range in sizes and are 1/4" thick. These designs will also work well to create custom designs to go with Dwarven Forge Sci-Fi terrain. 4Bot-Insdustries designs are also compatible with Hirst Arts designs. Please note that the pictures of the tiles are to show what the mold will produce and possible applications. Any miniatures are used to help show scale. Actual mold may vary in color.