by Anna Alsina Bardagí | Dec 10, 2017 | Casting tips, Glass art blog
This grinding/polishing disc is around 40kg (88 pounds). I have to clean it extremely well every time I switch from one grit stage to the next, as any previous grit left on the disc can cause scratches — one of the most feared moments because it means you have to...
by Anna Alsina Bardagí | Aug 28, 2017 | Casting tips, Glass art blog
After a glass sculpture is fired in the kiln, the first result is an opaque surface. The piece needs to undergo several stages of grinding and polishing to achieve optical transparency. Cold work is a time-consuming process. I use a vibrating lap machine, which works...
by Anna Alsina Bardagí | Aug 2, 2017 | Casting tips, Glass art blog
This video shows one of the most tedious parts of the glass polishing process. Cleaning up the eccentric grinding machine to make sure it’s not contaminated from previous silicon carbide grit. Of course, this speedy timelapse took me over an hour in real...
by Anna Alsina Bardagí | Jul 23, 2017 | Casting tips, Glass art blog
Learn more about the process Behind the scenes in the studio One of my favorite moments of the glass casting process is when I open the kiln. Firing a piece takes about two weeks and it requires complex programming—optical glass is very demanding. In glass casting,...