A while back, I purchased a pound of clear boro glass. The only reason I bought it was for fuming silver and gold onto my soft glass beads. It's been sitting on my work bench since February, so I thought I'd play around with it. I've only really worked with soft glass, so working with boro was very different for me. It's very stiff and much slower to melt, but very nice for sculpting.
After some time, some failed attempts, and looking through Milon Townsend's book, I managed to come up with this.
It's far from perfect...very very far, but it's still a big step for me. I don't know if I'll ever work in boro, but it was a lot of fun.
So what do you do to push your limits in your craft? I'd love to hear.