Bad King on Twitter: "Just released 16 FREE #ZBrush MatCap Materials incl glass, rubber, metal, car paint, etc. http://t.co/obqLQrEkKL http://t.co/2snwU2cKp3" / Twitter
Artifacts - Transparency - Glass? - ZBrushCentral
66 MATERIALS FOR ZBRUSH (PACK MATCAP SHINY) by HardPokers on DeviantArt
Glass? Drool? Water? Material transparency? - ZBrushCentral
Zbrush making a wine Glass - YouTube
Tutorial: Creating Eyes in ZBrush
Cycles Glass: Transparent shadows? - Support / Materials and Textures - Blender Artists Community | Glass blender, Blender 3d, Blender tutorial
How to sculpt convincing eyes in ZBrush | Creative Bloq