Lampworking design element layers in a Vortex Marble: Episode 12
1:36:59
Full Glassblowing Demo of this Red Wooly Borosilicate Vortex Marble Design - Episode #66
1:31:50
Exploring a New Vortex Marble Core Element: Episode 11
1:33:24
Unlocking Creativity: Lampworking Vortex Marble Build Start to Finish Episode 8
5:00
Reticello Marble Demo
14:03
Colorful Lampwork Twistie with Silver Glass Tutorial + Recipe (& what I would change next time)
43:09
John Kobuki Live-Streamed Studio Demo
1:24:49
Full Glassblowing Demo of this Spring Promise Borosilicate Vortex Marble Design - Episode #65
1:17:48