Hello!
I'm sorry to say, but you have forgotten to attach the image! Please be sure to attach the image, so it can be an answerable question! Without the image, your question is unable to be answered.. :(
<em>~Spider</em>
Glass crafts are made by heating sand silica until it melts into a liquid state. The melted glass can then either be shaped by blowing the liquid glass or by pouring the melted glass into a mold. The shape and size of the finished piece depend on the tools and method used by the artist.