Colorfab HT apparently allows to achieve amazing transparency, according to the following blog. The recommended temperature is 260C and beyond, which unfortunately is on the UM2 limit. Anyone wants to give it a try?. http://colorfabb.us3.list-manage.com/track/click?u=50aa31891422417e765e9e586&id=fc9cb7402c&e=0ecf60c9dd