No escaping Scheler: glypticians illuminate Apple

Glypticians are a discreet part of luxury manufacturing (https://www.nytimes.com/2017/11/21/fashion/jewelry-gems-carving-cameos.html).  Crafting relief images from stone and gems, glypticians belong to an ancient and rarefied world. Striking in the article is a comment by a Hong Kong glyptician, Wallace Chan, that the craft requires the glyptician to not only make his or her own tools but to…