Wil Menzies demonstrates a layered glass marble that begins by coating heavy wall tubing with one color, then adding an additional color and encasing both. Hobnailing is added before blowing out the bubble and working in the clear hobnails as part of the design. Many tips are offered along the way to produce success with this piece.

This article was originally published on page 34 in the Fall 2012 issue of The Flow.
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