Hot Blown Glass Vase Posted on August 14, 2013 by Grasshopper On my last day at Diablo Glass art camp, I made a free form vase. Hot glass is difficult to work with but very fun. I used purple strands around the outside to decorate it. Purple is my favorite color. If you enjoyed this post, please consider leaving a comment or subscribing to the RSS feed to have future articles delivered to your feed reader.