by Anna Alsina Bardagí | Nov 25, 2018 | Casting tips, Glass art blog
Making a plaster mold to cast a glass sculpture involves a few steps. First, you need to design your prototype with clay or fine art plasticine — the second one is my favorite because you can take as long as you want and it doesn’t dry out. Once you have your...
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
Post updated on August 10, 2024. After a glass sculpture is fired in the kiln, it must undergo several grinding and polishing stages to achieve optical transparency. Cold work is a time-consuming process. I use a vibrating lap machine, which works with silicon carbide...
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,...
