Item Name: Hot Glass Workshop: Vortex Marbles SKU: DVD171 Description: Hot Glass Workshop: Vortex Marbles is an instructional DVD from Hot Glass Workshop that demonstrates multiple techniques for creating highly contemporary vortex marbles. The program shows the creation of four different marbles and focuses on the process steps used to build the vortex effect in borosilicate marble work. This DVD is used by lampworkers who want to expand their skill set in marble making, improve control of heat and rotation, and learn repeatable methods for producing clean, high-contrast vortex patterns. How it is used: Watch the demonstrations to study the step-by-step workflow for building vortex patterns in marbles Practice the techniques at the torch while focusing on heat control, rotation, and shaping consistency Use the four marble projects as structured exercises to develop repeatable results Apply the methods shown to refine your own marble designs and expand pattern variations